74VHC27 - STMicroelectronics

74VHC27 TRIPLE 3-INPUT NOR GATE

The 74VHC27 is an advanced high-speed CMOS TRIPLE 3-INPUT NOR GATE fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. The internal circuit is composed of 3 stages PIN CONNECTION AND IEC LOGIC SYMBOLS June 1999 1/7 74VHC27 INPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No 1, 3, 9 2, 4, 10 13, 5, 11 12, 6, 8 7 14 SYMBOL 1.

Features

RIPLE 3-INPUT NOR GATE fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. The internal circuit is composed of 3 stages PIN CONNECTION AND IEC LOGIC SYMBOLS June 1999 1/7 74VHC27 INPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No 1, 3, 9 2, 4, 10 13, 5, 11 12, 6, 8 7 14 SYMBOL 1A to 3A 1B to 3B 1C to 3C 1Y to 3Y GND VCC NAME AND FUNCT ION Data Inputs Data Inputs Data Inputs Data Outputs Ground (0V) Positive Supply Voltage TRUTH TABLE A L H X X X:”H” or ”L” B L X H X C L X X H Y H L L L ABSOLUTE MAXIMUM RATINGS Symbol VCC VI VO IIK IOK IO Tstg TL Supply.