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MC74VHCT14ADT Arkusz danych(PDF) 1 Page - ON Semiconductor |
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MC74VHCT14ADT Arkusz danych(HTML) 1 Page - ON Semiconductor |
1 / 8 page MOTOROLA SEMICONDUCTOR TECHNICAL DATA 1 REV 0 © Motorola, Inc. 1999 4/99 Hex Schmitt Inverter The MC74VHCT14A is an advanced high speed CMOS Schmitt inverter fabricated with silicon gate CMOS technology. It achieves high speed operation similar to equivalent Bipolar Schottky TTL while maintaining CMOS low power dissipation. Pin configuration and function are the same as the MC74VHCT04A, but the inputs have hysteresis and, with its Schmitt trigger function, the VHCT14A can be used as a line receiver which will receive slow input signals. The VHCT inputs are compatible with TTL levels. This device can be used as a level converter for interfacing 3.3V to 5.0V, because it has full 5V CMOS level output swings. The VHCT14A input structures provide protection when voltages between 0V and 5.5V are applied, regardless of the supply voltage. The output structures also provide protection when VCC = 0V. These input and output structures help prevent device destruction caused by supply voltage – input/output voltage mismatch, battery backup, hot insertion, etc. The internal circuit is composed of three stages, including a buffer output which provides high noise immunity and stable output. The inputs tolerate voltages up to 7V, allowing the interface of 5V systems to 3V systems. • High Speed: tPD = 5.5ns (Typ) at VCC = 5V • Low Power Dissipation: ICC = 2µA (Max) at TA = 25°C • TTL–Compatible Inputs: VIL = 0.8V; VIH = 2.0V • Power Down Protection Provided on Inputs • Balanced Propagation Delays • Designed for 2V to 5.5V Operating Range • Low Noise: VOLP = 0.8V (Max) • Pin and Function Compatible with Other Standard Logic Families • Latchup Performance Exceeds 300mA • ESD Performance: HBM > 2000V; Machine Model > 200V • Chip Complexity: 60 FETs or 15 Equivalent Gates LOGIC DIAGRAM Y1 A1 A2 A3 A4 A5 A6 Y2 Y3 Y4 Y5 Y6 1 3 5 9 11 13 2 4 6 8 10 12 Y = A Pinout: 14–Lead Packages (Top View) 13 14 12 11 10 9 8 2 1 34567 VCC A6 Y6 A5 Y5 A4 Y4 A1 Y1 A2 Y2 A3 Y3 GND MC74VHCT14A L H FUNCTION TABLE Inputs Outputs A H L Y D SUFFIX 14–LEAD SOIC PACKAGE CASE 751A–03 DT SUFFIX 14–LEAD TSSOP PACKAGE CASE 948G–01 ORDERING INFORMATION MC74VHCTXXAD MC74VHCTXXADT MC74VHCTXXAM SOIC TSSOP SOIC EIAJ M SUFFIX 14–LEAD SOIC EIAJ PACKAGE CASE 965–01 |
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