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HD74HC257

Part Number	HD74HC257
Manufacturer	Renesas
Description	Quad. 2-to-1-line Data Selectors/Multiplexers
Published	Dec 4, 2017
Detailed Description	HD74HC257 Quad. 2-to-1-line Data Selectors/Multiplexers (with noninverted 3-state outputs) REJ03D0601–0200 (Previous A...
Datasheet	HD74HC257 PDF File

Overview

HD74HC257 Quad.
2-to-1-line Data Selectors/Multiplexers (with noninverted 3-state outputs) REJ03D0601–0200 (Previous ADE-205-478) Rev.
2.
00 Jan 31, 2006 Description The large output drive capability coupled with the 3-state feature make this device ideal for interfacing with bus lines in a bus organized system.
When the output control input line is taken high, the outputs of all four multiplexers are sent into a high impedance state.
When the output control line is low, the select input chooses whether the A or B input is used.
Features • High Speed Operation: tpd (Data to Y) = 10.
5 ns typ (CL = 50 pF) • High Output Current: Fanout of 15 LSTTL Loads • Wide Operating Voltage: VCC = 2 to ...

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