74AC11027 - Texas Instruments

74AC11027 TRIPLE 3-INPUT POSITIVE-NOR GATES

These devices contain three independent 3-input NOR gates. They perform the Boolean functions Y = A + B + C or Y = A S B S C in positive logic. The 54AC11027 is characterized for operation over the full military temperature range of − 55°C to 125°C. The 74AC11027 is characterized for operation from −40°C to 85°C. FUNCTION TABLE (each gate) INPUTS ABC OUTP.

Features

3 VCC 12 VCC 11 2B 10 2C 9 3A 54AC11027 . . . FK PACKAGE (TOP VIEW) 2A VCC NC VCC 2B 1C 3 2 1 20 19 4 18 2C 1B 5 17 3A NC 6 16 NC 1A 7 15 3B 1Y 8 14 3C 9 10 11 12 13 2Y GND NC GND 3Y NC − No internal connection logic symbol† 1 1A 16 1B 15 1C 14 2A 11 2B 10 2C 9 3A 8 3B 7 3C ≥1 2 1Y 3 2Y 6 3Y logic diagram (positive logic) 1A 1B 1C 1 16 15 2A 2B 2C 14 11 10 3A 3B 3C 9 8 7 2 1Y 3 2Y 6 3Y † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. Pin numbers shown are for the D, J, and N packages. EPIC is a trademark of Texas Instruments Inco.