74VHC14 Hex Schmitt Inverter

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1 74HC14 Hex Schmitt Inverter Features High Speed: t PD = 5.5 ns (Typ.) at CC = 5 Low Power Dissipation: I CC = 2 μa (Max.) at T A = 25 C High Noise Immunity: NIH = NIL = 28% CC (Min.) Power down protection is provided on all inputs Low Noise: OLP = 0.8 (Max.) Pin and Function Compatible with 74HC14 General Description March 2015 The HC14 is an advanced high speed CMOS Hex Schmitt Inverter fabricated with silicon gate CMOS technology. It achieves the high speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS low power dissipation. Pin configuration and function are the same as the HC04 but the inputs have hysteresis between the positive-going and negative-going input thresholds, which are capable of transforming slowly changing input signals into sharply defined, jitterfree output signals, thus providing greater noise margin than conventional inverters. An input protection circuit ensures that 0 to 7 can be applied to the input pins without regard to the supply voltage. This device can be used to interface 5 to 3 systems and two supply systems such as battery back up. This circuit prevents device destruction due to mismatched supply and input voltages. Ordering Information Part Number Top Mark Package Packing Method 74HC14M 74HC14 SOIC 14L Rail 74HC14MX 74HC14 SOIC 14L Tape and Reel 74HC14SJX HC14 SOP 14L Tape and Reel 74HC14MTC 14 TSSOP 14L Rail 74HC14MTCX 14 TSSOP 14L Tape and Reel 74HC14 Rev. 1.5

Logic Symbol/s Connection Diagram/s Pin Descriptions Truth Table/s Absolute Maximum Ratings (1) Stresses exceeding the absolute maximum ratings may damage the device.

In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only.

2 Logic Symbol/s Connection Diagram/s Pin Descriptions Truth Table/s Absolute Maximum Ratings (1) Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only. Symbol Parameter alue Unit CC Supply oltage -0.5 to +7.0 IN DC Input oltage -0.5 to +7.0 OUT DC Output oltage -0.5 to CC +0.5 I IK Input Diode Current -20 ma I OK Output Diode Current ±20 ma I OUT DC Output Current ±25 ma I CC DC CC / GND Current ±50 ma T STG Storage Temperature Range -65 to +150 C T L Lead Temperature (Soldering 10 seconds) 260 C Note: 1. Absolute maximum ratings are values beyond which the device may be damaged or have its useful life impaired. The data book specifications should be met, without exception, to ensure that the system design is reliable over its power supply, temperature, and output/input loading variables. Fairchild does not recommend operation outside databook specifications. 74HC14 Rev

3 Recommended Operating Conditions (2) The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not recommend exceeding them or designing to absolute maximum ratings. Symbol Parameter Min. Max. Unit CC Supply oltage IN Input oltage OUT Output oltage 0 CC T OPR Operating Temperature Range C Note: 2. Unused inputs must be held HIGH or LOW. They may not float. DC Electrical Characteristics Symbol Parameter CC T A = 25 C T A = -40 to 85 C Unit Conditions Min. Typ. Max. Min. Max. P N H OH OL Positive Threshold oltage Negative Threshold oltage Hysteresis oltage HIGH Level Output oltage LOW Level Output oltage I OH = -50 μa IN = IL I OH = -4 ma I OH = -8 ma I OL = 50 μa IN = IH I OL = 4 ma I OL = 8 ma I IN I CC Input Leakage Current Quiescent Supply Current ±0.1 ±1.0 μa IN = 5.5 or GND μa IN = CC or GND 74HC14 Rev

4 Noise Characteristics (2) T A = 25 C Symbol Parameter CC Typ. Max. Unit Conditions OLP Quiet Output Maximum Dynamic OL C L = 50 pf OL Quiet Output Minimum Dynamic OL C L = 50 pf IHD Minimum HIGH Level Dynamic Input oltage C L = 50 pf ILD Maximum LOW Level Dynamic Input oltage C L = 50 pf Note: 2. Parameter guaranteed by design. AC Electrical Characteristics Symbol Parameter CC T A = 25 C T A = -40 to 85 C Unit Conditions Min. Typ. Max. Min. Max C L = 15 pf 3.3 ± 0.3 t PLH C L = 50 pf t Propagation Delay Time ns PHL C L = 15 pf 5.0 ± C L = 50 pf C IN Input Capacitance pf CC = Open C PD Power Dissipation Capacitance 21 pf (3) Note: 3. C PD is defined as the value of the internal equivalent capacitance which is calculated from the opening current consumption without load. Average operating current can be obtained by the equation: I CC (Opr) = C PD * CC * f IN + I CC /6 (per Gate) 74HC14 Rev

5 Physical Dimensions A B PIN ONE INDICATOR (0.33) 7 M LAND PATTERN RECOMMENDATION C B A 1.75 MAX C SEE DETAIL A C R0.10 R X 45 GAGE PLANE 0.36 NOTES: UNLESS OTHERWISE SPECIFIED A) THIS PACKAGE CONFORMS TO JEDEC MS-012, ARIATION AB, ISSUE C, B) ALL DIMENSIONS ARE IN MILLIMETERS. C) DIMENSIONS DO NOT INCLUDE MOLD FLASH OR BURRS. D) LANDPATTERN STANDARD: SOIC127P600X145-14M E) DRAWING CONFORMS TO ASME Y14.5M-1994 F) DRAWING FILE NAME: M14ARE (1.04) DETAIL A SCALE: 20:1 SEATING PLANE Figure LEAD, SOIC, JEDEC MS-012, INCH, NARROW BODY 74HC14 Rev

6 Physical Dimensions (Continued) Figure LEAD, SOP, EIAJ TYPE II, 5.0 MM WIDE 74HC14 Rev

7 Physical Dimensions (Continued) 5.00± TYP A B 4.40± PIN#1 IDENT 1 7 TOP IEW 0.2 C B A ALL LEAD TIPS RECOMMENDED LAND PATTERN 1.2 MAX ±0.05 SEE DETAIL A ALL LEAD TIPS 0.1 C A B C FRONT IEW C TOP & BOTTOM NOTES: A. CONFORMS TO JEDEC REGISTRATION MO-153, ARIATION AB, REF NOTE 6 B. DIMENSIONS ARE IN MILLIMETERS. C. DIMENSIONS ARE EXCLUSIE OF BURRS, 0-8 MOLD FLASH, AND TIE BAR EXTRUSIONS D. DIMENSIONING AND TOLERANCES PER ANSI Y14.5M, E. LANDPATTERN STANDARD: SOP65P640X110-14M. F. DRAWING FILE NAME: MKT-MTC14rev MIN 0.09 MIN 0.6± DETAIL A GAGE PLANE SEATING PLANE Figure LEAD, TSSOP, JEDEC MO-153, 4.4 MM WIDE 74HC14 Rev

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Datasheet contains specifications on a product that is discontinued by Fairchild Semiconductor. Obsolete Not In Production The datasheet is for reference information only. Rev. I73

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