Part Number
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54AC257 |
Manufacturer
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National Semiconductor |
Description
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Quad 2-Input Multiplexer |
Published
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Feb 15, 2007 |
Detailed Description
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com
54AC257 • 54ACT257 Quad 2-Input Multiplexer with TRI-STATE Outputs
July 1998
54AC257 • 54ACT257 Q...
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Datasheet
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54AC257
|
Overview
com
54AC257 • 54ACT257 Quad 2-Input Multiplexer with TRI-STATE Outputs
July 1998
54AC257 • 54ACT257 Quad 2-Input Multiplexer with TRI-STATE ® Outputs
General Description
The ’AC/’ACT257 is a quad 2-input multiplexer with TRI-STATE outputs.
Four bits of data from two sources can be selected using a Common Data Select input.
The four outputs present the selected data in true (noninverted) form.
The outputs may be switched to a high impedance state by placing a logic HIGH on the common Output Enable (OE) input, allowing the outputs to interface directly with bus-oriented systems.
Features
n n n n n n ICC and IOZ reduced by 50% Multiplexer expansion by tying outputs together ...
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