IC 74157

Quad 2-Line to 1-Line Data Selectors/Multiplexers
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IC 74157 Specification

Absolute Maximum Ratings:
Supply Voltage: 7V
Input Voltage: 5.5V
Operating Free Air Temperature: 0oC to +70oC
Storage Temperature Range: -65oC to +150oC
Quad 2 to 1-Line Selector
Buffered Inputs and Outputs
Multiplex Dual Data Buses
Source Programmable Counters
Superseded, Not Recommended for New Designs