TC74HCT157AP multiplexer equivalent, quad 2-channel multiplexer.
* High speed: tpd = 21 ns (typ.) at VCC = 5 V
* Low power dissipation: ICC = 4 μA (max) at Ta = 25°C
* Compatible with TTL outputs: VIH = 2.0 V (min)
VIL = 0..
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