74HC253 - Dual 4-input multiplexer
The 74HC/HCT253 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.
74HC/HCT253 The 74HC/HCT253 have two identical 4-input multiplexers with 3-state outputs which select two bits from four sourc