Quad 2-input Data Selectors/multiplexer

The KK74HC157A is identical in pin out to the LS/ALS157. The device inputs are compatible with standard CMOS outputs; with pull up resistors, they are compatible with LS/ALSTTL outputs. This device routes 2 nibbles (A or B) to a single port (Y) as determined by the Select input. The data is presented at the outputs in non inverted form. A high level on the Output Enable input sets all four Y outputs to a low level. Outputs Directly Interface to CMOS, NMOS, and TTL Operating Voltage Range: 2.0 to 6.0 V Low Input Current: 1.0 A High Noise Immunity Characteristic of CMOS Devices By Kodenshi Korea Corp.
KK74HC157A 's PackagesKK74HC157A 's pdf datasheet

KK74HC157A Pinout, Pinouts
KK74HC157A pinout,Pin out
This is one package pinout of KK74HC157A,If you need more pinouts please download KK74HC157A's pdf datasheet.

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