74AC11257 - QUADRUPLE 2-LINE TO 1-LINE DATA SELECTOR/MULTIPLEXER
ordering information DB, DW, N, OR PW PACKAGE (TOP VIEW) A/B 1Y 2Y GND GND GND GND 3Y 4Y OE 1 2 3 4 5 6 7 8 9 10 20 1A 19 1B 18 2A 17 2B 16 VCC 15 VCC 14 3A 13 3B 12 4A 11 4B This device is designed to multiplex signals from 4-bit data sources to four output data lines in bus-organized systems.