74HC27 Datasheet

74HC27 Triple 3-Input NOR Gates

This device contains three independent 3-input NOR gates. Each gate performs the Boolean function Y = A + B + C in positive logic. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) SN74HC27DR SOIC (14) 8.70 mm × 3.90 mm SN74HC27DBR SSOP (14) 6.50 mm × 5.30 mm SN74HC27NR PDIP (14.

Features

• Buffered inputs
• Wide operating voltage range: 2 V to 6 V
• 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 three independent 3-input NOR gates. Each gate performs the Boolean function Y = A + B + C in positive logic. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) SN74HC27DR SOIC (14) 8.70 mm × 3.90 mm SN74HC27DBR SSOP (14) 6.50 mm × 5.30 mm SN74HC27NR PDIP (14) 19.30 mm × 6.4.