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74VHC138 Datasheet 3-to-8 Decoder/demultiplexer

Manufacturer: Fairchild (now onsemi)

Overview: 74VHC138 3-to-8 Decoder/Demultiplexer November 1992 Revised April 1999 74VHC138 3-to-8 Decoder/Demultiplexer.

General Description

The VHC138 is an advanced high speed CMOS 3-to-8 decoder/demultiplexer 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.

When the device is enabled, 3 binary select inputs (A0, A1 and A2) determine which one of the outputs (O0–O7) will go LOW.

Key Features

  • s High Speed: tPD = 5.7ns (typ) at TA = 25°C s Low power dissipation: ICC = 4 µA (max. ) at TA = 25°C s High noise immunity: VNIH = VNIL = 28% VCC (min. ) s Power down protection provided on all inputs s Pin and function compatible with 74HC138 Ordering Code: Order Number Package Number Package.

74VHC138 Distributor

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