Quad. 2-to-1-line Data Selectors/Multiplexers

The large output drive HD74HC257 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. By Renesas Technology
HD74HC257 's PackagesHD74HC257 's pdf datasheet

HD74HC257 Pinout, Pinouts
HD74HC257 pinout,Pin out
This is one package pinout of HD74HC257,If you need more pinouts please download HD74HC257's pdf datasheet.

HD74HC257 circuits will be updated soon..., now you can download the pdf datasheet to check the circuits!

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