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Partname:CD54HCT257F3A
Description: HIGH SPEED CMOS LOGIC NON-INVERTING QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS
Manufacturer:Texas Instruments
Package:J
Pins:16
Oper. temp.:-55 to 125
Datasheet:PDF (52.1K).
Click here to download *)

The Harris CD74HC257 and CD74HCT257 are quad 2-input multiplexers which select four bits of data from two sources under the control of a common Select Input (S). The Output Enable input (OE) is active LOW. When OE is HIGH, all of the outputs (1Y-4Y) are in the high impedance state regardless of all other input conditions.

Click here to download CD54HCT257F3A Datasheet
Click here to download CD54HCT257F3A Datasheet
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