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SN74LS257B

Part Number	SN74LS257B
Manufacturer	ON Semiconductor
Description	Quad 2-Input Multiplexer
Published	May 20, 2005
Detailed Description	SN74LS257B, SN74LS258B Quad 2−Input Multiplexer with 3−State Outputs The LSTTL / MSI SN74LS257B and the SN74LS258B are ...
Datasheet	SN74LS257B PDF File

Overview

SN74LS257B, SN74LS258B Quad 2−Input Multiplexer with 3−State Outputs The LSTTL / MSI SN74LS257B and the SN74LS258B are Quad 2-Input Multiplexers with 3-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 (non-inverted) form.
The outputs may be switched to a high impedance state with a HIGH on the common Output Enable (EO) Input, allowing the outputs to interface directly with bus oriented systems.
It is fabricated with the Schottky barrier diode process for high speed and is completely compatible with all ON Semiconductor TTL families.
• Schottky Process For High Speed • Multiplexer Expansion ...

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