1 Features
• Buffered inputs
• Wide operating temperature range:
–40°C to +85°C
• Supports fanout up to 10 LSTTL loads
• Significant power reduction compared to LSTTL
logic ICs

2 Applications
• Alarm / tamper detect circuit
• S-R latch

3 Description
This device contains four independent 2-input NAND
gates. Each gate performs the Boolean function
Y = A ● B in positive logic.