Quad 2-Input Data Selector/Multiplexer

The SL74HC257 is identical in pinout to the LS/ALS257. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALSTTL outputs. By System Logic Semiconductor. co.
SL74HC257 's PackagesSL74HC257 's pdf datasheet

SL74HC257 Pinout, Pinouts
SL74HC257 pinout,Pin out
This is one package pinout of SL74HC257,If you need more pinouts please download SL74HC257's pdf datasheet.

SL74HC257 circuits will be updated soon..., now you can download the pdf datasheet to check the circuits!

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