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74HC139

Part Number	74HC139
Manufacturer	nexperia
Description	Dual 2-to-4 line decoder/demultiplexer
Published	Jul 24, 2019
Detailed Description	74HC139; 74HCT139 Dual 2-to-4 line decoder/demultiplexer Rev. 5 — 14 January 2021 Product data sheet 1. General descri...
Datasheet	74HC139 PDF File

Overview

74HC139; 74HCT139 Dual 2-to-4 line decoder/demultiplexer Rev.
5 — 14 January 2021 Product data sheet 1.
General description The 74HC139; 74HCT139 decodes two binary weighted address inputs (nA0, nA1) to four mutually exclusive outputs (nY0 to nY3).
Each decoder features an enable input (nE).
When nE is HIGH all outputs are forced HIGH.
The enable input can be used as the data input for a 1-to-4 demultiplexer application.
Inputs include clamp diodes.
This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.
2.
Features and benefits • Input levels: • For 74HC139: CMOS level • For 74HCT139: TTL level • Demultiplexing capability • 2 independent 2-to-...

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