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SL74HC257D Datasheet PDF
- Quad 2-Input Data Selector/Multiplexer with 3-State Outputs - multiplexer
SL74HC257 Quad 2-Input Data Selector, Multiplexer with 3-State Outputs High-Performance Silicon-Gate CMOS The SL74HC257 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 A or B inputs as determined by the Select input. The nibble is presented at the outputs in noninverted from when the Output Enable pin is at a low level. A
System Logic Semiconductor
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