Company Profile Who we are Corporate Mission Products and Applications Contact Us

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2 Company Profile Who we are Founded in 2001, is a fabless integrated circuit design company, engaged in inventing, designing and marketing high performance linear and mixed-signal integrated circuits (ICs) for use in a variety of electronic equipment. s products bridge the analog real world and digital world by detecting, measuring, amplifying, converting power supply and providing protection for electronic circuits. Corporate Mission s mission is to continuously develop high quality and innovative mixed signal IC solutions that add value to customers electronics equipment worldwide. Products and Our products include power supplies, power management circuits, analog switches, interface circuits, ESD protection ICs and EMI filters. markets over 180 analog ICs for uses in a wide variety of electronic equipment. These include PCs and their peripherals, portable devices, instrumentation, test equipments and digital consumer electronics. Contact Us, Incorporated. Add: 2F, No.3, Lane 647 Songtao Road, Zhangjiang Hi-Tech Park, Shanghai Zip Code: Tel: Fax: Website:

3 Product Lines Union Semi Product Lines Power Supply Power Management Analog and Data Switch Interface & System Interconnect ESD Protection & EMI Filter Linear Regulator μp Supervisory Low Ron Analog Switch RS-48 Interface EMI Filter Array Switching Buck Converter Power Switch High Bandwidth Switch RS422 Interface USB Port and Ethernet Port Protection Switching Boost Converter Small Signal MOSFET Video Switch RS-232 Interface General Purpose Protection Level Shifter High and Medium Working Voltage TVS

4 Smart Phone Solution Memery Card USB Smart Card Linear Regulator TVS Array Analog Switch TVS Array UM133xx UESD4B UM317 UM7222 UESD4B Antennas EMI Filter Camera RF Transceiver Chipset Base Band Processor UM8611 EMI Filter UM8611 Display TVS Array Level Shifter UM3202 Touch Screen Sensor IC Keyboard UESD4B Audio Switch UM3699A UM4684 Headphone Speaker Microphone Charge Jack TVS UM07 UM079 Battery Charger IC PMU Tablet Solution SIM Card Connectivity RFPA Power UM133xx Audio Subsystem Headphone Audio Switch Speaker UM3699A Microphone Audio Codec SIM Card ESD Protection UM204 WIFi Bluetooth NFC SDIO SPI UART Display Subsystem Touch Screen Controller Light Sensor LCD Bias and Backlight UM1660 UM1661 CCD/CMOS Camera SD-Card EMI Filter UM8611 SD Card ESD Protection Camera Interface MMC Processor Display Interface HDMI Interface EMI Filter UM8611 HDMI LCD UM204 Level Shifter UM3202 Power Management USB Power Switch and ESD Protection UM9711 UM204 USB HOST USB HOST Load Switch UM386 Li-ion Battery Power Subsystem Switching Regulator UM482 UM340 Linear Regulator UM37xx UM47xx

5 Point Of Sales Terminal Solution Set-Top Boxes Solution ADSL Modems Solution

6 Security and Surveillance Solution DCDC UM482 Adaptor Input/Battery Pack MOSFET& DCDC UM2301 UM2302 UM1660 Identity Module Voltage Detection Reset Management Watchdog UM809/810 UM706/708 TVS UESD4B UESDB UESD6B Keyboard Card Reader Finger Print Sensor LDO UM37xx EEPROM UM2402 LCD USB SD RTC RS232/ RS48 TCP/IP WIFI Door key Buzzer /LED Interface UM308 UM3483 UM232 UM3232 TVS UM204 LDO UM37xx MOSFET UM2301 UM2302 Electric Lock Management PC TVS UM204 LDO UM13xx Smart Grid Solution

7 Table of Contents Power Supply Linear Regulator 2-4 Single Channel 300mA Output Current LDO 2 Dual Channel 300mA Output Current LDO 2 Single Channel 00mA Output Current LDO 2 High Input Voltage LDO 2 Ultra Low Quiescent Current LDO 2 Switching Regulator -7 DC-DC Buck Converter DC-DC Boost Converter LED Backlight Boost Driver LED Lighting Buck Driver Power Management μp Supervisory 8 Small Signal MOSFET 8 Power Switch 8 Analog and Data switch Low Ron Analog Switch 10 High Bandwidth Switch 10 Video Switch 10 Interface and System Interconnect RS48 Interface 12 RS422 Interface 12 RS232 Interface 12 Level Shifter 13 ESD Protection and EMI Filter EMI Filter Array 16 USB Port and Ethernet Port Protection 16 General Purpose Protection 17 High and Medium Working Voltage Transient Voltage Suppressor (TVS) 17 Appendix Request for Sample 19 Sales Contact 21 1

8 Linear Regulators (LDOs) Part Number Features VIN (V) (Min) 10mA CMOS Linear Regulators without EN Control Note1: Besides the standard output voltages listed in the table, customized output Voltage is also available from 1.2V to.0v at step of 100mV. Contact factory for product availability. Note2: Dropout voltage is defined for Vo 2.V device only. *: Future product. Contact factory for availability information. VIN (V) *UM3730 Output Auto Discharge mA CMOS Linear Regulators without EN Control UM16xx Ultra Low Dropout UM36xx Standard Low Dropout mA CMOS Linear Regulators with EN Control UM17xx Ultra Low Dropout EN Control UM37xx Standard Low Dropout EN Control Ultra Low Dropout, *UM18xx EN Control Reverse current protection *UM mA, Ultra Low Dropout mA CMOS Linear Regulators 00mA Output Current Very UM177xx Low Dropout Dual Channels 300mA CMOS UM470 Dual Channel Separate EN Control High Input Voltage Linear Regulators Linear Regulators UM142xx 12V Input Voltage *UM V Input Voltage *UM V Input Voltage with EN Control Ultra Low Iq Linear Regulators UM13xx Ultra Low Iq Ultra Low Iq 2.2. *UM14xx *UM10 Ultra Low Iq with EN Control Wide Input Voltage Range, Ultra Low Iq Ultra Low Input Voltage Linear Regulators *UM V Input Voltage 1.6. Low Noise Linear Regulators 10mA Output Current, *UM uVrms Low Noise 2.7. VOUT (V) 1.0V to 3.3V, step=0.1v 1.2/1./1.8/2./2.7/ 2.8/3.0/3.3 Note1 1.2/1./1.8/2./2.7/ 2.8/3.0/3.3 Note1 1.2/1./1.8/2./2.7/ 2.8/3.0/3.3 Note1 1.2//1./1.8/2./2.7/ 2.8/3.0/3.3 Note1 1.2/1./1.8/2./2.7/ 2.8/3.0/3.3 Note1 1.0/1.2/1./1.8/2./2.7/ 2.8/3.0/3.3 Note1 1.2//1./1.8/2./2.8/ 3.0/3.3/3. Note1 1.2//1./1.8/2./2.7/ 2.8/3.0/3.3 Note1 1.2/1./1.8/2./2.7/ 2.8/3.0/3.3 Note1 2.0V to 6.0V with 0.1V step 2.0V to 6.0V with 0.1V step 1.2//1./1.8/2./2.8/ 3.0/3.3/3. Note1 1.2//1./1.8/2./2.8/ 3.0/3.3/3. Note1 1.2//1./1.8/2./2.8/ 3.0/3.3/3. Note1 0.9V to 3.3V with 0.1V step 1.V to 3.3V with 0.1V step IOUT (ma) VIN_MAX (μa) (Typ) IO Note DFN SOT SOT SOT23-3 SC SOT SOT23- SC SOT DFN SOT DFN @10mA @30mA TSOT23-6 WDFN8 DFN6 SOT23-3 SOT89-3 SOT23-3 SOT @30mA SOT @30mA SOT23-3 SOT @30mA SOT @200mA @10mA DFN SOT23-3 SOT23- SOT89-3 DFN DFN SOT23- SOT @10mA SOT23-2

9 Linear Regulators 300mA, Low Consumption Current, Wide Input Voltage Linear Regulator UM142xxS/UM142xxY/UM142xxB Maximum 12V input voltage Low quiescent current: 9μA at 12V input High PSRR: 60dB range to 10kHz Low output Noise: 44μV RMS Low dropout: 270mV at 10mA load Temperature coefficient: ±100ppm/ Excellent line regulation: 0.0%/V Reference voltage source Battery powered equipment Hand-Hold equipment Wireless LAN GPS receivers Benefits Low quiescent current: 9μA at 12V Low output noise: 44μV RMS The UM142xx series are 12V input voltage, high precise, high PSRR and low power consumption Linear regulators. The output voltages are selectable in 100mV steps within a range of 2.V to V. It also can be customized on command. The UM142xx series are available in a low profile SOT23-3& SOT89-3 package, which are lead (Pb)-free. SOT23-3 SOT89-3 SOT89-3 VIN VDD UM142xxS Quiescent Current(uA) Quiescent Current VS Input Voltage Input Voltage(V) UM142xxY UM142xxB VOUT UM142xx Pin Configurations VDD VOUT VOUT VDD Ultra Low Quiescent Current Linear Regulator UM13xxS/ UM13xxY Operating voltage range: 2.2-.V Available output voltage version: 1.,1.8,2.,2.7,2.8,3.0,3.3,3.6V Ultra low Iq: <3uA Fast transient response Output current limit Stable with 1μF output capacitor Thermal overload protection Low profile SOT23-3 or SOT89-3 Battery-Powered systems Reference voltage sources Cameras, video cameras Portable AV systems Portable games Cellular phones The UM13xx series are ultra low quiescent current low dropout linear regulators designed for low power portable applications. The range of output voltage is from 1.V to 3.6V while operated from 2.2V to.v input. The device is available in a low profile SOT23-3 or SOT89-3 package. Quiescent Current (ua) Quiescent Current vs Input Voltage Input Voltage (V) SOT23-3 VIN Quiescent Current (ua) Quiescent Current vs Temperature SOT89-3 Temperature ( ) Benefits Very low operating voltage: 2.2V Ultra low Iq over all operating voltage range: <3uA UM13xx Pin Configurations UM13xxS VOUT UM13xxY VIN VOUT 3

10 Linear Regulators 300mA, Micropower, VLDO Linear Regulator UM37xxS/UM37xxP Very low dropout: Maximum input voltage: 6.0V Low noise:100μv RMS (10Hz to 100kHz) ±2% voltage accuracy at 10mA Fixed output voltage: 1.2V to.0v with 100mV interval Output current limit Thermal overload protection Low profile SOT23- and SOT33 Bluetooth/ cards PDAs and notebook computers Portable instruments and Battery-Powered systems Cellular phones The UM37xx series are very low dropout (VLDO) linear regulators designed for low power portable applications. Typical output noise is only 100μV RMS and maximum dropout is just 200mV at the load current of 100mA.The internal P-channel MOSFET pass transistor requires no base current, allowing the device to draw only 90 μa during normal operation at the maximum load current of 300mA. Dropout Voltage(mV) Dropout Voltage vs Output Current Output Current(mA) Dropout Voltage vs Output Current SOT23- SOT33 VIN EN VOUT NC Pin Configurations 4 300mA, Micropower, Dual Channel VLDO Linear Regulator UM470S/UM470DA/UM470DB Very low dropout: <200mV@100mA Operating voltage range: 2.-.V Low noise:200μv RMS (10Hz to 100kHz) Dual LDO outputs(300ma/300ma) Output current limit Stable with 1μF output capacitor Thermal overload protection Low profile SOT23-6, 6 Leads DFN and 8 leads DFN packages Bluetooth/ cards PDAs and notebook computers Portable instruments and Battery-Powered systems Cellular phones The UM470 series are dual channel very low dropout (VLDO) linear regulators with separated enable control. The range of output voltage is from 1.2V to.0v while operated from 2.V to.v input. Typical output noise is only 200μVRMS and maximum dropout is just 200mV at the load current of 100mA. Naming Rule UM470 Available Voltage Version - Channel 2 Output Voltage Channel 1 Output Voltage Type S: SOT23-6 DA: DFN DB: DFN Code Voltage Code Voltage Code Voltage Code Voltage A F 4.2 L 3.3 R 1.8 B 4.8 G 4 M 3 S 1. C 4.7 H 3.8 N 2.8 T 1.3 D 4. J 3.6 P 2.7 U 1.2 E 4.3 K 3. Q 2. Benefits Low profile packages Separated enable control Available multiple output voltage combination SOT23-6 DFN DFN VOUT1 VIN EN1 VIN 1 6 VOUT1 VOUT2 EN2 UM470 Pin Configurations 2 EN1 3 4 VOUT2 EN2 VIN EN1 EN2 NC VOUT1 NC VOUT2 4

11 Switching Regulators DC/DC Buck Converter Part Number Description VIN (V) VOUT (V) Iout (ma) Frequency (MHz) (Typ) Peak Efficiency Sync Low Voltage Buck Converter (VIN 6V) UM300 Current Mode PWM Buck 2. ~. 0.6 ~VIN % SOT23- UM301 UM301DA Current Mode PWM Buck with Light Load Mode Current Mode PWM Buck with Light Load Mode 2. ~. 0.6 ~VIN % SOT23-2. ~. 0.6 ~VIN % DFN UM310 Current Mode PWM Buck 2. ~. 0.6 ~VIN % *UM340 Current Mode PWM Buck with Light Load Mode High Input Voltage High Output Current Buck Converter (VIN 6V, IOUT 2A) *UM432 Current Mode PWM Buck with Light Load Mode 2.7 ~ ~0.9 VIN % 2. ~ ~VIN (adjustable) SOT23- *DFN2020-6L *DFN2020-8L SOP8 DFN L 92% QFN33-14L *UM482 Current Mode PWM Buck ~ SOP8 DC/DC Boost Converter Part Number Description VIN (V) VOUT (V) *UM3429 UM1660 Voltage Mode PWM Boost with Light Load Mode Constant Voltage PFM Boost Converter ILIMIT (ma) Frequency (MHz) Typ. Peak Efficiency 0.9 ~ ~ % SOT ~ ~ (Max.) 88% SOT23- DFN2020-6L LED Backlight Boost Driver Part Number Description VIN (V) UM1661 *UM1662S *UM1663 Constant Current PFM Boost Converter with Over Voltage Protection Constant Voltage PFM Boost Converter Constant Current PWM Boost Converter VOUT (V) ILIMIT (ma) Frequency (MHz) Peak Efficiency 2.0 ~ % SOT ~ % SOT ~ % SOT23- DFN LED Lighting Buck Driver Part Number Description VIN (V) UM130 UM131S UM131Y UM1360S UM1360Y UM1361S *UM1370S *: Future product, contact factory. 30V input 30mA Step Down Current Mode LED Driver 3V input 700mA Step Down Current Mode LED Driver 3V input 700mA Step Down Current Mode LED Driver 3V input 1A Step Down Current Mode LED Driver 3V input 1A Step Down Current Mode LED Driver 40V input 1A Step Down Current Mode LED Driver 40V input 1.2A Step Down Current Mode LED Driver Vsense (mv) (Typ) ILIMIT (ma) (Min). Frequency (MHz) Peak Efficiency 7 ~ >90% SOT23-6~ >90% SOT23-6~ >90% SOT89-6~ >90% SOT23-6~ >90% SOT89-6~ >90% SOT23-6~ >90% SOT23-

12 Switching Regulators 30V, 30mA LED Lighting Driver UM130 Internal 30V NDMOS switch 30mA output current Wide input voltage range: 6V to 30V ± % LED current accuracy High efficiency (up to 9%) Analog or PWM dimming control 40V transient capability Inherent open-circuit LED protection Output shutdown control Up to 1MHz switching frequency Pb-Free SOT23- package MR16 and general lighting Automotive lighting Low voltage industrial lighting Illuminated signs The UM130 is capable of driving single or multiple series connected LEDs efficiently from a voltage source higher than the LED voltage. This step-down converter provides an externally adjustable output current of up to 30mA from an input supply between 6V and 30V. It can even reach 8 watts of output power, depending on supply voltage and external components. The UM130 is available in a low profile SOT23- package. Typical application circuit VIN(up to 30V) C1 1µF Floating VIN ADJ D1 UM130 Rs 0.33ohm ISENSE LX L1 100µH 1 LX VIN Benefits DC voltage or PWM dimming High efficiency (up to 9%) Inherent open-circuit LED protection UM130 Pin Configurations 2 3 ADJ SOT23- ISENSE 4 40V, 1A LED Lighting Driver UM1360S/UM1360Y Integrated 3V 0.4Ω NDMOS 1A output current Wide input voltage range: 6V to 3V ± % LED current accuracy Up to 9% efficiency Adjustable constant LED current Analog or PWM dimming control Over temperature and open circuit LED protection Up to 1MHz switching frequency Pb-Free SOT23- and SOT89- package Low voltage industrial lighting Illuminated signs DC/DC or AC/DC LED driver application General purpose, constant current source The UM1360 is a PWM step-down converter with internal power switch, designed for driving single or multiple series connected LEDs efficiently from a voltage source higher than the LED voltage. The device operates from an input supply between 6V and 3V and employs hysteretic control with a high side current sense resistor to set the constant output current up to 1A. VIN(up to 40V) Typical application circuit Ci 10µF Floating VIN VSET D1 Rs 0.1ohm UM1360 ISENSE LX L1 100µH 1 LX VIN LX 1 VIN Benefits DC voltage or PWM dimming Inherent open-circuit LED protection 2 3 VSET ISENSE 4 UM1360S:SOT23- UM1360 Pin Configurations 2 VSET 3 4 ISENSE UM1360Y:SOT89-6

13 Switching Regulators 600mA, 1.2MHz, Synchronous Step-Down DC-DC Converter UM301/UM301DA High efficiency: up to 90% 2.V to.v input voltage range 600mA output current 1.2MHz constant switching frequency Integrated main switch and synchronous rectifier. Pulse skipping mode operation at light load condition Low quiescent current: 0µA <1µA shutdown current Lead free SOT23-(UM301) and DFN2020-6L(UM301DA) package Cellular and smart phones Microprocessors and DSP core supplies Wireless and DSL modems PDAs, GPS MP3 player Portable instruments UM301 is a high-efficiency pulse-width-modulated (PWM) step-down DC-DC converter, capable of delivering 600mA output current over a wide input voltage range from 2.V to.v. The UM301 automatically turns off the synchronous rectifier while the inductor current is low and enters discontinuous PWM mode. This can increase efficiency at light load condition. Efficiency (%) Efficiency vs Load Current (Vout=1.8V) Pulse Skipping Mode improve efficiency VIN=2.V VIN=3.6V VIN=4.2V VIN=.V Output Current (ma) Benefits Pulse skipping mode improve efficiency at light load operation Synchronous rectifier, no external schottky diode required. Ultra low shutdown current VIN 2.V~.V C1 4.7uF VIN SW UM301 UM301DA EN UM301/UM301DA typical application circuit FB L 2.2uH R2 634K R1 316K VOUT= 1.8V C2 10uF 28V Low Power DC/DC Boost Converter UM1660S/UM1660DA 2.0V to 6.0V Input Voltage Range Adjustable Output Voltage up to 28V 400mA Internal Switch Current Up to 1MHz Switching Frequency 36μA Typical No Load Quiescent Current 1μA Maximum Shutdown Current Internal Soft-Start Tiny SOT23- and DFN2020-6L LCD Bias Supply White LED Supply for LCD Backlights Digital Still Camera PDAs, Organizers and Handheld PCs Cellular Phones Standard 3.3V/V to 12V Conversion The UM1660 is a PFM controlled step-up DC-DC converter with a switching frequency up to 1MHz. The device is ideal to generate output voltage for small to medium LCD bias supplies and white LED backlight supplies from a single cell Li-Ion battery. The part can also be used to generate standard 3.3V/V to 12V power conversions. VIN =2.0-6V C IN 4.7µF UM1660 typical application circuit SW 1 2 VIN VIN EN L1 10 µh UM1660 SW FB D1 VIN R1 R2 1 2 C FF VOUT = VIN -28V 6 COUT 1µF SW NC FB 3 4 EN EN 3 4 FB UM1660S Top Vierw UM1660DA Bottom Vierw 7

14 Power Management μp Supervisory Part Number Description Reset Thresh (V) Timeout Period (ms) Watchdog Feature Watchdog Timeout ICC (μa) Output Type Operating Temp ( ) UM809xx Power On Reset ** 140 No NA 3 UM810xx Power On Reset ** 140 No NA 3 *UM811xx UM706x UM708x Power On Reset with Manual Reset Power On Reset With Manual Reset and Watchdog Power On Reset with Manual Reset ** 140 No NA 6 ** 140 Yes 1.6s 200 ** 140 No NA 200 Push-Pull, Active LOW Push-Pull, Active HIGH Push-Pull, Active LOW Push-Pull, Active Low Active Low & High -40~8-40~8 SOT23-3 SC70-3 SOT23-3 SC ~8 SOT143-40~8 SOP-8-40~8 SOP-8 Power Switch Part Number Description VIN (V) ILIMIT(A) (Min) ILOAD(A) Flag Delay Time (ms) (Typ) RDS(ON) (mω) *UM9711S High-Side Power Switches with Flag SOT23- *UM9711AS High-Side Power Switches with Flag 2.-. Adj (0.1-2.) SOT23- UM386P Load Switch with Level Shifter NA 300 SOT363 *UM2291P 80mΩ, 1.2A, Load Switch NA 80 SOT363 Small Signal MOSFET Part Number Description BVDSS (V) VGS(TH) (V) Continuous Drain Current Rating(A) RDS(ON) (mω) VGS=- 4.V UM2301S 20V Pch SOT23-3 UM2301P 20V Pch SOT323 UM2302S 20V Nch SOT23-3 UM2302P 20V Nch SOT323 UM2362S 60V Nch SOT23-3 UM2362P 60V Nch SOT323 UM81 20V Pch SOT23-6 UM816 20V Pch with internal G-S protection SOT23-6 *: Future product, contact factory. **: Available from 2.0V to.0v 8

15 Power Management Supervisory Circuits with Watchdog and Manual Reset UM706xx Manual Reset:Active-high Reset output Supply Current:200μA Minimum 140ms Reset Pulse Width 1.2V Voltage Monitor for Power-Fail or Low-Battery Warning Independent Watchdog Timer-1.6s Timeout CPU and logic circuit reset Power fail detector Computers Embedded system Battery powered equipment Intelligent instrument The UM706 provide four functions: A reset output during power-up, power-down, and brownout conditions. The reset output is driven active within 10 µs of power supply falling through the reset voltage threshold. Reset is keeping active for a minimum of 140ms after system power supply has risen above the reset threshold. Reset threshold suitable for operation with variety of supply voltage are available. An independent watchdog output that goes low if the watchdog input has not been toggled within 1.6 seconds. A 1.2V threshold detector for power-fail warning, low-battery detection, or for monitoring a power supply other than +V. An active-low manual-reset input. Vcc Vcc RESET Vcc RESET μp Benefits Integrated Manual Reset and Watchdog PUSHBUTTON SWITCH UM706 WDI PFI WDO MR PFO I/O LINE NMI INTERRUPT UM706xx typical application Low Supply Current Supervisory Circuits UM809/810xx Wide operation voltage range of 1V to 10V Typical Quiescent current of 3μA Minimum 140ms Reset Pulse Width No external components required Available Reset Threshold from 2.0V to.0v, step=100mv Correct logic output guaranteed to VCC=1.0V Push-pull low active Reset output(um809) Push-pull high active Reset output(um810) 3-Pin small SC70 and SOT23 packages CPU and logic circuit reset Power fail detector Computers Embedded system Battery powered equipment Intelligent instrument The UM809/810 series are ultra low current, cost effective system supervisory circuits designed to monitor the power supplies in digital systems. The reset output is driven active within 10 μs of power supply falling through the reset voltage threshold. Reset is keeping active for a minimum of 140ms after system power supply has risen above the reset threshold. Reset threshold suitable for operation with variety of supply voltage are available. Vcc UM809 UM810 Reset/Reset UM809/810xx Pin Configurations(SOT23-3 SC70-3) Benefits No external components required, saving PCB space Wide operation voltage range of 1V to 10V Ultra low quiescent current: 3μA (Typ) 9

16 Analog and Data Switch Low Ron Analog Switch (Ron<1Ω) Part Number VCC (V) Features RON (Ω) Bandwidth (MHz) Off (db) (db) UM ~ 4.3 Single SPDT SOT363 UM ~ 4.2 Dual SPDT QFN UM2268A 1.8 ~ 4.2 Dual SPDT QFN UM ~. Dual SPDT CSP10 MSOP-10 UM ~ 4. Dual SPDT QFN UM3699A 1.6 ~. Dual DPDT QFN *: Future product, contact factory. High Bandwidth Switch (BW>200MHz) Part Number VCC (V) Features RON (Ω) Bandwidth (MHz) Off Isolation (db)** Cross- talk (db)** UM ~. Single SPDT, Low ICCT SC70-6 UM ~. Single SPDT, Low ICCT SC70-6 UM ~. Dual SPDT, Low ICCT DFN UM ~. Dual SPDT, Low ICCT DFN UM ~. Dual SPDT CSP10 UM4717Q 1.8 ~. Dual SPDT QFN UM428Q 1.8 ~. Dual SPDT QFN UM ~. Dual DPDT QFN UM3670A 1.8 ~. Dual DPDT QFN UM ~. Dual SPDT 9 0-2dB@20MHz -48dB@ 20MHz QFN UM7222A 2.7 ~. Dual SPDT 9 0-2dB@20MHz -48dB@ 20MHz QFN UM ~ 12 Dual SPDT QFN *UM ~.0 Single DPDT, Negative Signal Capability 4.6 (Audio).(USB) 900(USB) -81dB@100kHz -93dB@ 100kHz QFN Video Switch Part Number VCC (V) Features RON (Ω) Bandwidth (MHz) Off Isolation (db)** Cross- talk (db)** UM ~. Quad SPDT TSSOP16 *: Future product, contact factory. **: Typically, the spec value is measured at f=10mhz, otherwise see the measurement condition in the table. 10

17 Analog and Data Switch High Speed USB2.0 (480Mbps) DPDT Switch UM7222/7222A OVT on D+ and D- up to.v Power OFF Protection: When VCC=0V, D+ and D- Can Tolerate up to.v Low Crosstalk: -0dB (20MHz) Low Current Consumption: 1µA Channel On-Capacitance: 6.pF(Typical) VCC Operating Range: +2.7V to +.V 0MHz Bandwidth(or Data Frequency) ESD rating: ±4KV I/O to Differential Signal Data Routing USB2.0 Signal Routing Cell Phone, PDA, Digital Camera and Notebook LCD Monitor, TV, and Set-top Box Benefits OVT on D+ and D- Power OFF Protection The UM7222/UM7222A is a dual port high-speed, low-power data switch optimized for USB 2.0 signal switching. The UM7222/UM7222A switch is configured in double-pole/ double-throw DPDT. It handles bidirectional signal flow, achieving a 0 MHz -3dB bandwidth, and a port to port crosstalk and isolation at -0dB at 20MHz. The UM7222/UM7222A operates from a single +2.7V to +.V supply, with current consumption less than 1μA. The UM7222/UM7222A features wide bandwidth and low bit-to-bit skew allow it to pass high-speed differential signal with good signal integrity, offers little or no attenuation of the high-speed signals at the outputs. Its high channel-to-channel crosstalk rejection results in minimal noise interface. Its bandwidth is wide enough to pass High-speed USB 2.0 differential signals (480Mbps). The control logic threshold is guaranteed to be compatible with 1.8V logic. OE Vcc S HSD1_ HSD2_ 7 control HSD1+ HSD D- D+ UM7222 QFN L, Top View UM7222A QFN L, Top View UM7222/7222A pin configurations Vcc 10 OE S HSD1_ HSD2_ D- 8 control 7 HSD1+ HSD2+ 6 D+ High Voltage, High Bandwidth DPDT Data Switch UM9636 Ron is Typical 83Ω at Vcc=12V Channel On-Capacitance:6.pF(Typical) Typically 720MHz-3dB Bandwidth Low Crosstalk:Typical-67dB(10MHz) Low Off-isolation: Typical -8dB(10MHz) Low voltage,1.6v CMOS/TTL compatible Low current Consumption:1uA Vcc Operating Range:+2.7V to +12V Lead(Pb) Free WQFN The UM9636 is a high-speed, low-power dual single-pole/ double-throw (SPDT) analog switch that operates from a single +2.7V to +12V supply. The UM9636 features 720 MHz - 3 db bandwidth, - 67 db Cross Talk and - 8 db Off isolation at 10 MHz frequency. Wide bandwidth and low on resistant allow it to pass high-speed differential signal with good signal integrity. The switch is bidirectional and offers little or no attenuation of the high-speed signals at the outputs. Its high channel-to-channel crosstalk rejection results in minimal noise interference. Key applications for the UM9636 are logic level translation, pulse generator, and high speed or low noise signal switching in precision instrumentations and portable device designs. High-end data acquisition Medical instruments Precision instruments High speed communications applications Automated test equipment Sample and hold applications V+ A1 A S2A S2B control D2 D1 S1B Benefits Low voltage,1.6v CMOS/TTL compatible S1A UM9636 QFN L, Top View UM9636 Pin Configurations 11

18 Interface and System Interconnect RS48 Interface Part Number Description Data Rate (Mbps) (Min) Fail Safe Transceivers on Bus Contact ESD (kv) UM308EE V Supply, 1TX/1RX RS48 Interface 0. Yes 26 ±8 ±1 UM3088EE V Supply, 1TX/1RX RS48 Interface 2. Yes 26 ±8 ±1 UM3483EE 3.3V Supply, 1TX/1RX RS48 Interface 0. Yes 26 ±8 ±1 UM3486EE 3.3V Supply, 1TX/1RX RS48 Interface 2. Yes 26 ±8 ±1 UM332EE V Supply, 1TX/1RX RS48 Interface 0. Yes 26 ±8 ±12 *UM3087EE *UM3487EE V Supply, 1TX/1RX RS48 Interface Auto Polarity Reversal 3.3V Supply, 1TX/1RX RS48 Interface Auto Polarity Reversal Air SOP8 DIP8 SOP8 DIP8 SOP8 DIP8 SOP8 DIP8 SOP8 DIP8 0. Yes 26 ±8 ±1 SOP8 0. Yes 26 ±8 ±1 SOP8 RS422 Interface Part Number Description Data Rate (Mbps) (Min) Fail Safe Transceivers on Bus Contact ESD (kv) Air UM491EE V Supply, 1TX/1RX RS422 Interface 2. Yes 26 ±8 ±1 UM3491EE 3.3V Supply, 1TX/1RX RS422 Interface 10 Yes 26 ±8 ±1 *UM488EE V Supply, 1TX/1RX RS422 Interface 2. Yes 26 ±8 ±1 SOP14 DIP14 SOP14 DIP14 SOP8 DIP8 RS232 Interface Part Number Description Data Rate (kbps) Operating Temperature( ) Fail Safe Contact ESD (kv) UM202EESE Single V powered 2TX/2RX ~ +8 Yes ±8 ±1 SOP16 UM202EEPE Single V powered 2TX/2RX ~ +8 Yes ±8 ±1 DIP16 UM202EEUE Single V powered 2TX/2RX ~ +8 Yes ±8 ±1 TSSOP16 UM232ECSE Single V powered 2TX/2RX ~ +70 Yes ±8 ±1 SOP16 UM232ECPE Single V powered 2TX/2RX ~ +70 Yes ±8 ±1 DIP16 UM232ECUE Single V powered 2TX/2RX ~ +70 Yes ±8 ±1 TSSOP16 UM232EESE Single V powered 2TX/2RX ~ +8 Yes ±8 ±1 SOP16 UM232EEPE Single V powered 2TX/2RX ~ +8 Yes ±8 ±1 DIP16 UM232EEUE Single V powered 2TX/2RX ~ +8 Yes ±8 ±1 TSSOP16 UM3232EEUE 3V~.V powered 2TX/2RX ~ +8 Yes ±8 ±1 TSSOP16 UM3232EESE 3V~.V powered 2TX/2RX ~ +8 Yes ±8 ±1 SOP16 UM3232EEAE 3V~.V powered 2TX/2RX ~ +8 Yes ±8 ±1 SSOP16 UM3232EEPE 3V~.V powered 2TX/2RX ~ +8 Yes ±8 ±1 DIP16 UM3222EExx UM3221EExx 3V~.V powered 2TX/2RX with Enable and Shutdown Control 3V~.V powered 1TX/1RX with Enable and Shutdown Control ~ +8 Yes ±8 ± ~ +8 Yes ±8 ±1 Air TSSOP16 SOP16 TSSOP16 SSOP16 12

19 Interface and System Interconnect Level Shifter Part Number UM3302H UM3304 UM3304Q UM3304QT UM3308 *UM3202H UM3202Q UM3202A UM3204H UM3204Q UM3204UE *UM3212U8 UM3212S8 *UM3212DA *UM2002U8 *UM2002S8 *: Future product, contact factory. Description 2 bit Auto Direction Detect, CMOS Output 4 bit Auto Direction Detect, CMOS Output 4 bit Auto Direction Detect, CMOS Output 4 bit Auto Direction Detect, CMOS Output 8 bit Auto Direction Detect, CMOS Output 2 bit Auto Direction Detect, For Push-Pull or Open Drain applications 2 bit Auto Direction Detect, For Push-Pull or Open Drain applications 2 bit Auto Direction Detect, For Push-Pull or Open Drain applications 4 bit Auto Direction Detect, For Push-Pull or Open Drain applications 4 bit Auto Direction Detect, For Push-Pull or Open Drain applications 4 bit Auto Direction Detect, For Push-Pull or Open Drain applications 2 bit Auto Direction Detect, For Push-Pull or Open Drain applications 2 bit Auto Direction Detect, For Push-Pull or Open Drain applications 2 bit Auto Direction Detect, For Push-Pull or Open Drain applications 2 bit Auto Direction Detect, For Push-Pull or Open Drain applications 2 bit Auto Direction Detect, For Push-Pull or Open Drain applications VCCA (V) VCCB (V) Max Data Rate (Mbps) VCCA=3.3V ESD (kv) (B Port) 1.2~ ~. 100 ±1 CSP8 1.2~ ~. 100 ±4 CSP12 1.2~ ~. 100 ±4 QFN ~ ~. 100 ±4 QFN ~ ~. 100 ±1 CSP20 1.6~ ~. 1.6~ ~. 1.6~ ~. 1.6~ ~. 1.6~ ~. 1.6~ ~. 24Mbps(Push Pull) 2Mbps(Open Drain) 24Mbps(Push Pull) 2Mbps(Open Drain) 24Mbps(Push Pull) 2Mbps(Open Drain) 24Mbps(Push Pull) 2Mbps(Open Drain) 24Mbps(Push Pull) 2Mbps(Open Drain) 24Mbps(Push Pull) 2Mbps(Open Drain) ±1 CSP8 ±1 DFN ±1 QFN ± CSP12 ± QFN33-14 ± TSSOP14 1.0~ ~.0 3.4Mbps ±4 TSSOP8 1.0~ ~.0 3.4Mbps ±4 SOP8 1.0~ ~.0 3.4Mbps ±4 DFN ~ ~.0 3.4Mbps ±4 TSSOP8 1.0~ ~.0 3.4Mbps ±4 SOP8 13

20 Interface and System Interconnect ±1kV ESD-Protected, Slew-Rate-Limited, High Speed and Failsafe RS48 Transceiver UM308E/3088E ESD Protection for RS-48 I/O Pins ±1kV Human Body Model ±1kV IEC , Air Discharge True Fail-Safe protection Low current shutdown mode 7V to +12V Common-Mode input voltage range Allows up to 26 transceivers on the Bus Current limiting for driver overload protection The UM308E, UM3088E are ± 1kV electrostatic discharge (ESD)-protected, high-speed transceivers for RS-48 communication that contain one driver and one receiver. These devices feature fail-safe circuitry, which guarantees a logic-high receiver output when the receiver inputs are open, shorted or idle. This means that the receiver output will be logic high if all transmitters on a terminated bus are disabled (high impedance). RO 1 R 8 V CC RS-48 transceivers Level translators Transceivers for EMI-Sensitive applications Industrial-Control Local Area Networks RE DE DI D B A U308/3088x Pin Configurations Fail-Safe, Single Supply RS-232 Transceivers UM3232E/ UM3222E Meets true EIA/TIA-232-F Standards from a +3.0V to +.V power supply Enhanced ESD Specifications: ±1kV Human Body Mode ±1kV IEC Air Discharge ±8kV IEC Contact Discharge 1μA Low Power Shutdown (UM3222E) 20 Kbps Minimum Transmission Rate Guaranteed 30V/μs Max Slew Rate Compatible with 1.8V logic@vcc=3.3v Notebook and Palmtop Computers Battery-Powered Equipment Hand-Held Equipment POS terminal The UM3222E/UM3232E is dual driver, dual receiver RS-232 transceiver solutions intended for portable or hand-held applications. The UM3222E features a 1μA shutdown mode that reduces power consumption in battery-powered portable systems. The UM3222E and UM3232E are pin, package, and functionally compatible with the industry standard products pin out, respectively. +3.3V C TTL/CMOS INPUTS C1 C2 + 1 VCC C C1-4 C2+ + C V T1IN T2IN 400k +3.3V 400k 16 UM3232E C3 2 V+ C4 6 V- + T1OUT T2OUT RS-232 OUTPUTS +3.3V C TTL/CMOS INPUTS C1 C2 + 2 VCC C C1- C C V T1IN T2IN 400k +3.3V 400k 19 UM3222E C3 3 V+ C4 7 V- + T1OUT T2OUT RS-232 OUTPUTS 12 R1OUT R1IN 13 1 R1OUT R1IN 16 TTL/CMOS OUTPUTS 9 R2OUT k R2IN 8 RS-232 INPUTS TTL/CMOS OUTPUTS 10 R2OUT k R2IN 9 RS-232 INPUTS k 1 EN k 20 SHDN 1 18 UM3232E/UM3222E typical operating circuit 14

21 Interface and System Interconnect 4-Bit Bidirectional Voltage-Level Translator for Open-Drain and Push-Pull Application UM3204 Max data rates: 24Mbps(Push Pull), 2Mbps(Open Drain) Bidirectional, No direction control required 1.6V to 3.6V on A port and 2.3V to.v on B port(v CCA V CCB) ±kv ESD protection on B port No Power-Supply sequencing required V CCA or V CCB can be ramped First CSP12, QFN14 and TSSOP14 s The UM3204 is quad channel ESD-protected level translator provide the level shifting necessary to allow data transfer in a multi-voltage system. Externally applied voltages, V CCB and V CCA, set the logic levels on either side of the device. A low-voltage logic signal present on the V CCA side of the device appears as a high-voltage logic signal on the V CCB side of the device, and vice-versa. VCCA PU1 ONE-SHOT BLOCK ONE-SHOT BLOCK PU2 VCCB SPI, MICROWIRE, and I 2 C level translation Low-Voltage ASIC level translation Portable POS systems Portable communication devices Low-Cost serial interfaces Cell-Phones GPS Telecommunications equipment I/O VA_ Block Diagram of UM3204 I/O Cell CSP12 N GATE BIAS QFN33-14L I/O VB_ s of UM Bit Bidirectional Voltage-Level Translator with Auto Direction sensing and ±4kV ESD Protection UM3304 Max data rates: 100Mbps Bidirectional, No direction control required 1.2V to 3.6V on A port and 1.6V to.v on B port (V CCA V CCB) ±4kV ESD Protection on B ports V CC isolation feature: If either V CC input is at, all outputs are in the High-Impedance state OE input circuit referenced to V CCA Low power consumption CSP12, QFN33-14L and QFN L s Low-Voltage ASIC level translation Portable POS systems Portable communication devices Low-Cost serial interfaces Cell-Phones GPS Telecommunications equipment UM3304/UM3304Q/UM3304QT is quad channel level translator with auto direction sensing and ±4kV ESD protection. This 4-channel non-inverting translator uses two separate configurable power-supply rails. The A port is designed to track V CCA. V CCA accepts any supply voltage from 1.2V to 3.6V. The B port is designed to track V CCB. V CCB accepts any supply voltage from 1.6V to.v. VCCA I/O A Block Diagram of UM3304 I/O Cell CSP12 P One Shot 4K N One Shot QFN33-14L P One Shot 4K N One Shot VCCB I/O B QFN L s of UM3304 1

22 ESD Protection and EMI Filters Audio/CRC EMI Filter Part Number Protected Lines VRWM (V) R(Ω) (Typ) VR=2.V (pf) f3db (MHz) (Typ) Contact ESD (kv) Air UM ±8 ±1 SOT23-6 UM ±8 ±1 DFN UM ±8 ±1 DFN UM ±8 ±1 DFN UM ±8 ±1 DFN UM ±8 ±1 DFN UM ±8 ±1 DFN CLC EMI Filter Part Number Protected Lines VRWM (V) L (nh) (Typ) DCR (Ω) (Typ) VR=2.V (pf) f3db (MHz) (Typ) Contact ESD (kv) Air UM ±8 ±1 DFN UM ±8 ±1 DFN UM ±8 ±1 DFN UM ±8 ±1 DFN UM ±8 ±1 DFN UM ±8 ±1 DFN UM ±8 ±1 DFN UM ±8 ±1 DFN UM ±8 ±1 DFN UM ±8 ±1 DFN UM ±8 ±1 DFN UM ±8 ±1 DFN UM ±8 ±1 DFN USB Port and Ethernet Port Protection Part Number Description Protected Lines VRWM (V) I/O Pin to (pf) Contact ESD(kV) UM202EEDF Unidirection 2 2 ±8 ±1 SOT143 UM204EEAF Unidirection 4 2 ±8 ±1 SC70-6 UM204EEBF Unidirection 4 2 ±8 ±1 SC89-6 UM204EECF Unidirection 4 2 ±8 ±1 TSOP-6 UM304EEAF Unidirection 4 2 ±8 ±1 SC70-6 UM304EEBF Unidirection 4 2 ±8 ±1 SC89-6 UM304EECF Unidirection 4 2 ±8 ±1 TSOP-6 Air Unidirection *UM404EECF For Ethernet 10/100 *: Future product, contact factory. 4 2 ±8 ±1 TSOP-6 16

23 ESD Protection and EMI Filters General Purpose Protection Part Number Description Protected Lines VRWM (V) CJ (Typ) Contact ESD(kV) Air UM0 Unidirection 1 40 ±8 ±1 SOD23 UM09 Unidirection 1 40 ±8 ±1 DFN1006 UM09T Unidirection 1 90 ±30 ±30 DFN1006 UM060 Bi- direction 1 40 ±30 ±30 SOD23 UM080 Bi-direction 1 2 ±30 ±30 DFN1006 UM080T Bi-direction 1 4 ±30 ±30 DFN1006 UESD6V8L1F Unidirection 1 17 ±8 ±1 DFN1006 UM01DA Unidirection 1 19 ±2 ±30 DFN0603 UM02DA Bi-direction 1 7 ±30 ±30 DFN0603 SM0 Unidirection 2 0 ±8 ±1 SOT23-3 UM062 Uni/Bi- direction 2 40 ±8 ±1 DFN1411 UESD6V8S2B Unidirection 2 40 ±8 ±1 SOT23 UESD4B Unidirection 4 40 ±8 ±1 SC70- UESDB Unidirection 4 40 ±8 ±1 SC89-6 UESD64B Unidirection 4 40 ±8 ±1 SC89- UESD16V8S4C Unidirection ±8 ±1 SOT23-6 UESD6V8L4A Unidirection 4 20 ±8 ±1 SC70- UESD6V8L4B Unidirection 4 20 ±8 ±1 SC89- UESD6B Unidirection 40 ±8 ±1 SC89-6 UESD6V8CT36 Unidirection 40 ±8 ±1 SC70-6 UESD6V8LA6 Unidirection 20 ±8 ±1 SC70-6 UESD6V8LB Unidirection 18 ±8 ±1 SC89-6 UESD7B Unidirection 6 40 ±8 ±1 DFN1616 High and Medium Working Voltage Part Number Description Protected Lines VRWM (V) (pf) (Typ) Contact ESD(kV) Air UM07 Unidirection ±8 ±1 SOD23 UM079 Unidirection ±8 ±1 DFN1006 UM012 Unidirection ±30 ±30 SOD23 UM0129 Unidirection ±30 ±30 DFN1006 UESD16V8S4C Unidirection ±30 ±30 DFN1006 *: Future product, contact factory. 17

24 ESD Protection and EMI Filters Single Line ESD Protection Diode in DFN0603 UM01DA/UM02DA UM01DA ESD protection class: IEC ±30kV (air), ±2kV (contact) UM02DA ESD protection class: IEC ±30kV (air), ±30kV (contact) Protect one I/O or power line Low clamping voltage Stand off voltages: V Low leakage current Ultra small 0.6mm 0.3mm outline The UM01DA/02DA ESD protection diode is designed to replace multilayer varistors (MLVs) in portable applications such as cell phones, notebook computers, and PDA s. The devices are available in DFN2 0.6mm 0.3mm package with working voltage of volt. It gives designer the flexibility to protect one unidirectional (UM01DA) or one bi-directional (UM02DA) line in applications where arrays are not practical. Additionally, it may be sprinkled around the board in applications where board space is at a premium. Cell Phone Handsets and Accessories Personal Digital Assistants (PDA s) Notebooks, Desktops and Servers Portable Instrumentation Digital Cameras MP3 Players Ultra small QFN0603 package UM01DA Pin Configuration UM02DA Pin Configuration 18

25 Request For Sample ( 样品申请表 ) RFS Track No.: Date: Samples Request ( 样品申请 ) No. Union P/N Usage Sample QTY Competitors Sample Delivery Req. ( 单机用量 ) ( 样品数量 ) ( 竞争对手 ) ( 样品交货时间 ) Sample CRD Information ( 样品交货地点及联系人 ) Project Information ( 项目信息 ) End Customer ( 客户名称 ): Project Name Project Est. Date: Est. Mthly Demand ( 项目名称 ): ( 项目立项时间 ) (Kpcs) ( 预计月用量 ): Sourcing/Buyer Engineer/Designer Engineer/Designer ( 采购 / 商务 ): ( 设计工程师 ): ( 设计工程师 ): Project Current Status Project Initiation Prototype Design PCB PP MP ( 项目目前状态 ):( 请标明 ) ( 立项 ) ( 原理图 ) (PCB 测试 ) ( 小批试产 ) ( 量产 ) Pilot Run Date Mass Production Date Pilot Run QTY ( 小批时间 ): ( 量产时间 ): ( 小批数量 ): Est. Share by Union Application Platform Project Description ( 预计份额 ): (%) ( 应用平台 ): ( 项目描述 ): Remark ( 备注 ): Following filled by UNION Sales ( 以下信息由 Union 销售填写 ): UNION Sales Approve: Date: Date: ESD: Send to: Customer Agent POST: Any questions, please call: TEL: *220 FAX:

26 Request For Sample ( 样品申请表 ) RFS Track No.: Date: Samples Request ( 样品申请 ) No. Union P/N Usage Sample QTY Competitors Sample Delivery Req. ( 单机用量 ) ( 样品数量 ) ( 竞争对手 ) ( 样品交货时间 ) Sample CRD Information ( 样品交货地点及联系人 ) Project Information ( 项目信息 ) End Customer ( 客户名称 ): Project Name Project Est. Date: Est. Mthly Demand ( 项目名称 ): ( 项目立项时间 ) (Kpcs) ( 预计月用量 ): Sourcing/Buyer Engineer/Designer Engineer/Designer ( 采购 / 商务 ): ( 设计工程师 ): ( 设计工程师 ): Project Current Status Project Initiation Prototype Design PCB PP MP ( 项目目前状态 ):( 请标明 ) ( 立项 ) ( 原理图 ) (PCB 测试 ) ( 小批试产 ) ( 量产 ) Pilot Run Date Mass Production Date Pilot Run QTY ( 小批时间 ): ( 量产时间 ): ( 小批数量 ): Est. Share by Union Application Platform Project Description ( 预计份额 ): (%) ( 应用平台 ): ( 项目描述 ): Remark ( 备注 ): Following filled by UNION Sales ( 以下信息由 Union 销售填写 ): UNION Sales Approve: Date: Date: ESD: Send to: Customer Agent POST: Any questions, please call: TEL: *220 FAX:

27 Sales Contact Sales Office, Inc. Add: 201 Great America Pkwy, Suite 320, Santa Clara, CA 904 Tel : sales@union-ic.com (Shanghai) Ltd. Add: 2F, No.3, Lane 647 Songtao Road, Zhangjiang Hi-Tech Park, Shanghai Tel : (86) Fax: (86) sales@union-ic.com (Shenzhen) Ltd. Add: Rm ,HangGangFuChun Commercial Building,No.6031,Shennan road, Futian District, Shenzhen Tel : (86) Fax: (86) sales@union-ic.com (HK) Ltd. Add: Unit 202, No.8 Science Park West Avenue, Hong Kong Science & Technology Park, NT, Hong Kong Tel : (82) Fax: (82) sales@union-ic.com, Beijing Office Tel:(86) sales@union-ic.com, Qingdao Office Tel:(86) sales@union-ic.com 21

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