Product Summary

The 74HC02A is a quad 2-input NOR gate with high-performance silicon-gate CMOS. The 74HC02A is identical in pinout to the LS02. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs.

Parametrics

74HC02A maximum ratings: (1)DC supply voltage (Referenced to GND): – 0.5 to + 7.0 V; (2)DC input voltage (Referenced to GND): – 0.5 to VCC + 0.5 V; (3)DC output voltage (Referenced to GND): – 0.5 to VCC + 0.5 V; (4)DC input current, per Pin: ± 20 mA; (5)DC output current, per Pin: ± 25 mA; (6)Power dissipation in still air,plastic or ceramic DIP: 750 mW; ; (7)SOIC package, 500mW; TSSOP package, 450mW; (8)Storage temperature: – 65 to + 150℃.

Features

74HC02A features: (1)Output drive capability: 10 LSTTL loads; (2)Outputs directly interface to CMOS, NMOS, and TTL; (3)Operating voltage range: 2.0 to 6.0 V; (4)Low input current: 1.0 μA; (5)High noise immunity characteristic of CMOS devices; (6)In compliance with the requirements defined by JEDEC standard No. 7A; (7)Chip complexity: 40 FETs or 10 equivalent gates.

Diagrams

74HC02A pin connection