Quad 2-Input Data Selector/Multiplexer
Description
TECHNICAL DATA
KK74HC257A
Quad 2-Input Data Selector/Multiplexer with 3-State Outputs
High-Performance Silicon-Gate CMOS
The KK74HC257A 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. This device selects a (4-bit) nibble from either the ...
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