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74ALS139

Part Number	74ALS139
Manufacturer	NXP
Description	Dual 1-of-4 decoder/demultiplexer
Published	Apr 3, 2005
Detailed Description	INTEGRATED CIRCUITS 74ALS139 Dual 1-of-4 decoder/demultiplexer Product specification IC05 Data Handbook 1991 Feb 08 Ph...
Datasheet	74ALS139 PDF File

Overview

INTEGRATED CIRCUITS 74ALS139 Dual 1-of-4 decoder/demultiplexer Product specification IC05 Data Handbook 1991 Feb 08 Philips Semiconductors Philips Semiconductors Product specification Dual 1-of-4 decoder/demultiplexer 74ALS139 FEATURES • Demultiplexing capability • Two independent 1-of-4 decoders • Multi-function capability DESCRIPTION The 74ALS139 is a dual 1-of-4 decoder/demultiplexer.
This device has two independent decoders, each accepting two binary weighted inputs (A0n, A1n) and providing four mutually exclusive active-Low outputs (Q0n–Q3n).
Each decoder has an active-Low enable (E).
When E is High, every output is forced High.
The enable can be used as the data input for a 1-of-4 demultiplexer application.
TYPICAL SUPPLY CURRENT (TOTAL) 4mA PIN CONFIGURATION Ea A0a A1a Q0a Q1a Q2a Q3a GND 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VCC Eb A0b A1b Q0b Q1b Q2b Q3b SF00129 TYPE 74ALS139 TYPICAL PROPAGATION DELAY 6.
0ns ORDERING INFORMATION ORDER CODE DESCRIPTION COMMERCIAL R...

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