74HC137 - High-Speed CMOS Logic 3 to 8-Line Decoder/Demultiplexer

Product Overview

Texas Instruments

Datasheet Details

Part number	74HC137
Manufacturer	Texas Instruments
File Size	794.20 KB
Description	High-Speed CMOS Logic 3 to 8-Line Decoder/Demultiplexer
Datasheet	74HC137 Datasheet
Note	This datasheet PDF includes multiple part numbers: 74HC137, 74HC237. Please refer to the document for exact specifications by model.
Additional preview pages of the 74HC137 datasheet.

Product details

Description

Both circuits have three binary select inputs (A0, A1 and A2) that can be latched by an active High Latch Enable (LE) signal to isolate the outputs from select-input changes.

A “Low” LE makes the output transparent to the input and the circuit functions as a one-of-eight decoder.

Features

Select One of Eight Data Outputs - Active Low for CD74HC137 and CD74HCT137 - Active High for ’HC237 and CD74HCT237.
l/O Port or Memory Selector.
Two Enable Inputs to Simplify Cascading.
Typical Propagation Delay of 13ns 15pF, TA = 25oC (CD74HC237) at VCC = 5V,.
Fanout (Over Temperature Range) - Standard Outputs.
10 LSTTL Loads - Bus Driver Outputs.
. . . 15 LSTTL Loads.
Wide Operating T.

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Published: Apr 16, 2024 |