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CD74HC257

Quad 2-Input Multiplexer

CD74HC257 Features

* Buffered Inputs

* Typical Propagation Delay ( In to Output ) = 12ns at VCC = 5V, CL = 15pF, TA = 25oC

* Fanout (Over Temperature Range) - Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads - Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads

* Wi

CD74HC257 General Description

The ’HC257 and ’HCT257 are quad 2-input multiplexers which select four bits of data from two sources under the control of a common Select Input (S). The Output Enable input (OE) is active LOW. When OE is HIGH, all of the outputs (1Y-4Y) are in the high impedance state regardless of all other input .

CD74HC257 Datasheet (483.76 KB)

Preview of CD74HC257 PDF

Datasheet Details

Part number:

CD74HC257

Manufacturer:

Texas Instruments ↗

File Size:

483.76 KB

Description:

Quad 2-input multiplexer.
Data sheet acquired from Harris Semiconductor SCHS171D November 1997 - Revised October 2003 CD54HC257, CD74HC257, CD54HCT257, CD74HCT257 High-Speed C.

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CD74HC257 Quad 2-Input Multiplexer Texas Instruments

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