D TTL-Compatible Input Levels D, DB, DBQ, OR PW PA.
Texas Instruments
SN74CBT3253D - DUAL 1-OF-4 FET MULTIPLEXER/DEMULTIPLEXER
D TTL-Compatible Input Levels D, DB, DBQ, OR PW PACKAGE (TOP VIEW) 1OE 1 S1 2 1B4 3 1B3 4 1B2 5 1B1 6 1A 7 GND 8 16 VCC 15 2OE 14 S0 13 2B4 12 2B3 1.
