SN54HC27 Datasheet | Texas Instruments

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 pared 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 × 6.40 mm SN74HC27NSR SO (14) 10.20 mm × 5.30 mm SN54HC27JR CDIP (14) 21.30 mm × 7.60 mm SN54HC27WR CFP (14) 9.20 mm × 6.29 mm SN54HC27FKR LCCC (20) 8.90 mm × 8.90 mm (1) For all available packages, see the orderable addendum at the end of the data...