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54ACT138 Datasheet 1-of-8 Decoder/demultiplexer

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: www.DataSheet4U.com 54AC138 • 54ACT138 1-of-8 Decoder/Demultiplexer August 1998 54AC138 • 54ACT138 1-of-8.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The ’AC/’ACT138 is a high-speed 1-of-8 decoder/ demultiplexer.

This device is ideally suited for high-speed bipolar memory chip select address decoding.

The multiple input enables allow parallel expansion to a 1-of-24 decoder using just three ’AC/’ACT138 devices or a 1-of-32 decoder using four ’AC/’ACT138 devices and one inverter.

Key Features

  • n n n n n n n ICC reduced by 50% Demultiplexing capability Multiple input enable for easy expansion Active LOW mutually exclusive outputs Outputs source/sink 24 mA ’ACT138 has TTL-compatible inputs Standard Microcircuit Drawing (SMD).
  • ’AC138: 5962-87622.
  • ’ACT138: 5962-87554 Logic Symbols Connection Diagrams Pin Assignment for DIP and Flatpak DS100268-1 IEEE/IEC DS100268-2 Pin Assignment for LCC DS100268-7 Pin Names A0.
  • A2 E1.
  • E2 E3 O0.
  • O7 Descripti.

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