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74VHC27 - Triple 3-Input NOR Gate

General Description

The VHC27 is an advanced high speed CMOS 3-Input NOR Gate 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.

Key Features

  • s High speed: tPD = 4.1 ns (typ) at TA = 25°C s Low power dissipation: ICC = 2 µA (max) at TA = 25°C s High noise immunity: VNIH = VNIL = 28% VCC (min) s Power down protection is provided on all inputs s Low noise: VOLP = 0.8V (max) s Pin and function compatible with 74HC27 Ordering Code: Order Number 74VHC27M 74VHC27SJ 74VHC27MTC 74VHC27N Package Number M14A M14D MTC14 N14A Package.

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Full PDF Text Transcription for 74VHC27 (Reference)

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74VHC27 Triple 3-Input NOR Gate July 1994 Revised April 1999 74VHC27 Triple 3-Input NOR Gate General Description The VHC27 is an advanced high speed CMOS 3-Input NOR Gate...

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Description The VHC27 is an advanced high speed CMOS 3-Input NOR Gate 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. The internal circuit is composed of 3 stages including buffer output, which provide high noise immunity and stable output. An input protection circuit insures that 0V to 7V can be applied to the input pins without regard to the supply voltage. This device can be used to interface 5V to 3V systems and two supply systems such as battery backup. This circuit prevents device destructi