SN74HCT138D - 3-Line to 8-Line Decoders/Demultiplexers

This page provides the datasheet information for the SN74HCT138D, a member of the SN74HCT138 3-Line to 8-Line Decoders/Demultiplexers family.

Product Overview

Texas Instruments

Part number	SN74HCT138D
Manufacturer	Texas Instruments
File Size	1.77 MB
Description	3-Line to 8-Line Decoders/Demultiplexers
Datasheet	SN74HCT138D Datasheet
Additional preview pages of the SN74HCT138D datasheet.

The ’HCT138 devices are designed for highperformance memory-decoding or data-routing applications requiring very short propagation delay times.

In high-performance memory systems, these decoders can minimize the effects of system decoding.

Operating voltage range of 4.5 V to 5.5 V.
Outputs can drive up to 10 LSTTL loads.
Low power consumption, 80-µA max ICC.
Typical tpd = 17 ns.
±4-mA output drive at 5 V.
Low input current of 1 µA max.
Inputs are TTL-Voltage compatible.
Designed specifically for high-speed memory decoders and data transmission systems.
Incorporate three enable inputs to simplify cascading and/or data reception 2.

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Published: Mar 19, 2024 |