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DM74ALS253

Part Number	DM74ALS253
Manufacturer	Fairchild Semiconductor
Description	3-STATE Dual 1-of-4 Line Data Selector/Multiplexer
Published	Apr 1, 2005
Detailed Description	DM74ALS253 3-STATE Dual 1-of-4 Line Data Selector/Multiplexer April 1984 Revised February 2000 DM74ALS253 3-STATE Dual...
Datasheet	DM74ALS253 PDF File

Overview

DM74ALS253 3-STATE Dual 1-of-4 Line Data Selector/Multiplexer April 1984 Revised February 2000 DM74ALS253 3-STATE Dual 1-of-4 Line Data Selector/Multiplexer General Description This Data Selector/Multiplexer contains full on-chip decoding to select one-of-four data sources as a result of a unique two-bit binary code at the Select Inputs.
Each of the two Data Selector/Multiplexer circuits have their own separate Data and Output Control inputs and a non-inverting 3STATE output buffer.
The Output Control inputs, when at the high level, place the corresponding output in the high impedance OFF-State.
In order to prevent bus access conflicts, output disable times are shorter than output enable t...

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