HD74HC257 selectors/multiplexers equivalent, quad. 2-to-1-line data selectors/multiplexers.
* High Speed Operation: tpd (Data to Y) = 10.5 ns typ (CL = 50 pF)
* High Output Current: Fanout of 15 LSTTL Loads
* Wide Operating Voltage: VCC = 2 to 6 V .
The large output drive capability coupled with the 3-state feature make this device ideal for interfacing with bus lines in a bus organized system. When the output control input line is taken high, the outputs of all four multiplexers are sent into a.
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