74HC157 Quad 2-input Multiplexer
74HC157 quad 2-line to 1-line data selector/multiplexer, non-inverting.
The 74HC157 are quad 2-input multiplexers which select 4 bits of data from two sources under the control of a common data select input (S). The enable input (E) is active LOW. When E is HIGH, all of the outputs (1Y to 4Y) are forced LOW regardless of all other input conditions.
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