Function : Quad 2-input multiplexer; 3-state;inverting
Maker : Philips Electronics
The 74HC/HCT258 are high-speed Si-gate CMOS devices and are pin compatible with Low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A.
The 74HC/HCT258 have four identical 2-input multiplexers with 3-state outputs, which select 4 bits of data from two sources and are controlled by a common data select input (S).
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Others datasheet of same file : 74HC258,74HC258D,74HC258DB,74HC258N,74HCT258