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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 times.
The Select input buffers incorporate internal overlap features to ensure that select input changes do not cause invalid output transients.
Features s Advanced oxide-isolated, ion-implanted Schottky TTL process s Switching performance is guaranteed over full temperature and VCC supply range s ...

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