IC for CMOS System Reset 8XX, 8XX Series IC for CMOS System Reset Monolithic IC 8XX, 8XX Series Outline This IC functions in a variety of CPU systems and other logic systems, to detect supply voltage and reset the system accurately when the power is turned on or interrupted. To ±.5% of detection voltage accuracy of the conventional models, a maximum of ±0.5% of super-high precision is realized, and it is more suitable for battery detection etc. Moreover, the mounting area significantly contributes to space saving using the SSON package. Features. High Accuracy ±0.5% typ. /.0~6.0V ±0.8% typ. / 0.8~.9V. Ultra-low current consumption 0.5µA typ.. Ultra-small package.0.40mm (SSON-4) 4. Operating temperature range -40~+05 C 5. Detecting voltage rank 0.8~6.0V (0.V step) 6. Output configuration 8XX series CMOS output 8XX series Open drain output Packages SOT-5A SC-8ABA SC-8ABB SSON-4 Applications. Reset circuits for microcomputers, CPUs and MPUs. Reset circuits for logic circuits. Battery voltage check circuits 4. Back-up power supply switching circuits 5. Level detection circuits
IC for CMOS System Reset 8XX, 8XX Series Block Diagram 8XX * - in the circuit diagram is pin number for the SOT-5A package. Vref : Protection Circuit 8XX * - in the circuit diagram is pin number for the SOT-5A package. Vref : Protection Circuit
IC for CMOS System Reset 8XX, 8XX Series Pin Assignment 8XX, 8XX 5 4 4 NC 5 NC 4 NC 4 SOT-5A (TOP VIEW) SSON-4 (TOP VIEW) 4 NC 4 SC-8ABA SC-8ABB (TOP VIEW) Pin Description 8XXNX, 8XXNX (SOT-5A) Pin No. Pin name Functions Reset Signal Output Pin Pin / Voltage Detect Pin Pin 4 NC No Connection 5 NC No Connection 8XXRX, 8XXRX (SSON-4) Pin No. Pin name Functions Reset Signal Output Pin Pin NC No Connection 4 Pin / Voltage Detect Pin 8XXUX, 8XXUX (SC-8ABA/-8ABB) Pin No. Pin name Functions Reset Signal Output Pin Pin / Voltage Detect Pin NC No Connection 4 Pin
IC for CMOS System Reset 8XX, 8XX Series Absolute Maximum Ratings 8XX Item Symbol Ratings Units Supply voltage max. - 0.~+.0 V Output voltage - 0.~(+0.) V Input current () IDD 0 ma Output current (RESET, RESET) I 0 ma Power Dissipation PD 50 (SOT 5A, SC 8AB) 0 (SSON 4)(note) mw Operating temperature TOPR - 40~+05 C Storage temperature TSTG - 65~+50 C 8XX Item Symbol Ratings Units Supply voltage max. - 0.~+.0 V Output voltage - 0.~+.0 V Input current () IDD 0 ma Output current (RESET, RESET) I 0 ma Power Dissipation PD 50 (SOT 5A, SC 8AB) 0 (SSON 4)(note) mw Operating temperature TOPR - 40~+05 C Storage temperature TSTG - 65~+50 C note : With PC board of glass epoxy. (The tab pin is not connected with PC board.) PC board size of 0 40 0.8mm Recommended Operating Conditions Item Symbol Ratings Units Operating temperature TOPR - 40~+05 C Supply voltage 0.70~0.0 V
IC for CMOS System Reset 8XX, 8XX Series Electrical Characteristics (Except where noted otherwise Ta=5 C) 8XX Item Symbol Measurement conditions Min. Typ. Max. Units Circuit Supply current IDD =+V 0.5.0 µa () Reset threshold Ta=+5 C.9V 0.8% +0.8% Ta= 40~+85 C (note).5% 0.8~ +.5% Ta=+5 C.0V 0.5% 6.0V +0.5% Ta= 40~+85 C (note).5% (0.Vstep) +.5% V () Reset threshold hysteresis =0V +V 0V 0.0 0.08 V () Reset threshold temp. coefficient / C Ta= 40~+85 C (note) ±00 ppm/ C () L transfer delay time tphl =+0.4V 0.4V(note) 00 µs (5) H transfer delay time tplh = 0.4V +0.4V(note) 00 µs (5) IOL =0.7V, VDS=0.05V 0.0 0.0 "L" output current "H" output current IOL IOL IOL4 =.V, VDS=0.5V.V =.4V, VDS=0.5V.5V =.6V, VDS=0.5V.7V 0..00.60 8.00.0.0 IOH =4.8V, VDS=0.5V, 4.7V 0.6 0.6 IOH =6.V, VDS=0.5V, 5.9V 0.46 0.75 note : This device is tested at Ta=5 C, over temperature limits guaranteed by design only. note : The parameter is guaranteed by design. ma () ma (4) 8XX Item Symbol Measurement conditions Min. Typ. Max. Units Circuit Supply current IDD =+V 0.5.0 µa () Ta=+5 C.9V 0.8% +0.8% Reset threshold Ta= 40~+85 C (note).5% 0.8~ +.5% Ta=+5 C.0V 0.5% 6.0V +0.5% V () Ta= 40~+85 C (note).5% (0.Vstep) +.5% Reset threshold hysteresis =0V +V 0V 0.0 0.08 V () Reset threshold temp. coefficient / C Ta= 40~+85 C (note) ±00 ppm/ C () L transfer delay time tphl =+0.4V 0.4V(note) 00 µs (4) H transfer delay time tplh = 0.4V +0.4V(note) 00 µs (4) IOL =0.7V, VDS=0.05V 0.0 0.0 IOL =.V, VDS=0.5V.V 0..00 "L" output current =.4V, VDS=0.5V ma () IOL.60 8.00.5V IOL4 =.6V, VDS=0.5V.7V.0.0 Output leakage current Ileak =0V, =0V 0. µa () note : This device is tested at Ta=5 C, over temperature limits guaranteed by design only. note : The parameter is guaranteed by design.
IC for CMOS System Reset 8XX, 8XX Series Measuring Circuit 8XX * - in the circuit diagram is pin number for the SOT-5A package. () IDD (),, / C IDD 8XX 8XX () IOL, IOL, IOL, IOL4 (4) IOH, IOH 8XX I 8XX I VDS -VDS (5) tplh, tphl 8XX Input Voltage Output Voltage 00% 50% +0.4V 0.4V
IC for CMOS System Reset 8XX, 8XX Series 8XX * - in the circuit diagram is pin number for the SOT-5A package. () IDD (),, / C IDD 470k 8XX 8XX () IOL, IOL, IOL, IOL4, Ileak (4) tplh, tphl 470k 8XX I 8XX VDS Input Voltage +0.4V 0.4V Output Voltage 00% 50%
IC for CMOS System Reset 8XX, 8XX Series Timing Chart V + t V tplh tphl t Application Circuits 8XX * - in the circuit diagram is pin number for the SOT-5A package. 8XX RESET Logic System
IC for CMOS System Reset 8XX, 8XX Series 8XX * - in the circuit diagram is pin number for the SOT-5A package. 8XX RESET Logic System We shall not be liable for any trouble or damage caused by using this circuit. In the event a problem which may affect industrial property or any other rights of us or a third party is encountered during the use of information described in these circuit, Mitsumi Electric Co., Ltd. shall not be liable for any such problem, nor grant a license therefore. 8XX 8XX Please note that there is any possibility of circuit oscillation when resistance put in the line. Please do not put resistance for 8XX. Recommend 5kΩ or less for 8XX.
IC for CMOS System Reset 8XX, 8XX Series Characteristics (Typical Performance Characteristics.8V) Detecting Voltage Supply Current Output Voltage (V) 4.0.5.0.5.0.5.0 0.5 0.0 0 0.5.5.5.5 4 Input Voltage (V) Supply Current (µa).0 0.8 0.6 0.4 0. 0.0 0 4 6 8 0 Input Voltage (V) Detecting Voltage - Temperature Hysteresis Voltage - Temperature Detecting Voltage (V).00.90.80.70.60 40 0 0 0 40 60 80 00 Temperature (ºC) Hysteresis Voltage (mv) 00 80 60 40 0 00 80 40 0 0 0 40 60 80 00 Temperature (ºC) note : these are typical characteristics
IC for CMOS System Reset 8XX, 8XX Series "L" Output Current - Temperature "L" Output Current - Temperature "L" Output Current (ma) 0.0 0.5 0.0 0.05 0.00 40 0 0 0 40 60 80 00 Temperature (ºC) "L" Output Current (ma) 5.0 4.0.0.0.0 0.0 40 0 0 0 40 60 80 00 Temperature (ºC) "L" Output Current - Temperature "L" Output Current (ma) 4.0.0 0.0 8.0 6.0 4.0.0 0.0 40 0 0 0 40 60 80 00 Temperature (ºC) note : these are typical characteristics