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HD74ACT138 - 1-of-8 Decoder/Demultiplexer

Download the HD74ACT138 datasheet PDF. This datasheet also covers the HD74AC138 variant, as both devices belong to the same 1-of-8 decoder/demultiplexer family and are provided as variant models within a single manufacturer datasheet.

General Description

The HD74AC138/HD74ACT138 is a high-speed 1-of-8 decoder/demultiplexer.

This device is ideally suited for highspeed bipolar memory chip select address decoding.

Key Features

  • Demultiplexing Capability.
  • Multiple Input Enable for Easy Expansion.
  • Active LOW Mutually Exclusive Outputs.
  • Outputs Source/Sink 24 mA.
  • HD74ACT138 has TTL-Compatible Inputs.
  • Ordering Information: Ex. HD74AC138 Part Name Package Type Package Code Package Abbreviation Taping Abbreviation (Quantity) HD74AC138AP DIP-16 pin DP-16E, -16FV P.
  • HD74AC138AFPEL SOP-16 pin (JEITA) FP-16DAV FP EL (2,000 pcs/reel) HD74AC138ARPEL SOP-16 p.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (HD74AC138-Renesas.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number HD74ACT138
Manufacturer Renesas
File Size 132.39 KB
Description 1-of-8 Decoder/Demultiplexer
Datasheet download datasheet HD74ACT138 Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
HD74ACT138 1-of-8 Decoder/Demultiplexer Hitachi Semiconductor
HD74ACT139 Dual 1-of-4 Decoder/Demultiplexer Hitachi Semiconductor
HD74ACT107 Dual JK Flip-Flop (with Separate Clear and Clock) Hitachi Semiconductor
HD74ACT112 Dual JK Negative Edge-Triggered Flip-Flop Hitachi Semiconductor
HD74ACT125 Quad Buffer/Line Driver with 3-State Output Hitachi Semiconductor

Other Datasheets by Renesas

Part Number Description
HD74ACT139 Dual 1-of-4 Decoder/Demultiplexer
HD74ACT107 Dual JK Flip-Flop
HD74ACT112 Dual JK Negative Edge-Triggered Flip-Flop
HD74ACT125 Quad Buffer/Line Driver
HD74ACT126 Quad Buffer/Line Driver

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
HD74AC138/HD74ACT138 1-of-8 Decoder/Demultiplexer REJ03D0248–0200Z (Previous ADE-205-368 (Z)) Rev.2.00 Jul.16.2004 Description The HD74AC138/HD74ACT138 is a high-speed 1-of-8 decoder/demultiplexer. This device is ideally suited for highspeed bipolar memory chip select address decoding. The multiple input enables allow parallel expansion to a 1-of-24 decoder using just three HD74AC138/HD74ACT138 devices or a 1-of-32 decoder using four HD74AC138/HD74ACT138 devices and one inverter. Features • Demultiplexing Capability • Multiple Input Enable for Easy Expansion • Active LOW Mutually Exclusive Outputs • Outputs Source/Sink 24 mA • HD74ACT138 has TTL-Compatible Inputs • Ordering Information: Ex.