SN74HC74N

SN74HC74, SN54HC74 SCLS094F – DECEMBER 1982 – REVISED JUNE 2021 SNx4HC74 Dual D-Type Positive-Edge-Triggered Flip-Flops With Clear and Preset 1 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 Convert a momentary switch to a toggle switch Divide a clock signal by 2 or 4 3 Description The SNx4HC74 devices contain two independent D-type positive-edge-triggered flip-flops with asynchronous preset and clear pins for each. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) SN74HC74D SOIC (14) 8.70 mm × 3.90 mm SN74HC74DB SSOP (14) 6.50 mm × 5.30 mm SN74HC74N PDIP (14) 19.30 mm × 6.40 mm SN74HC74NS SO (14) 10.20 mm × 5.30 mm SN74HC74PW TSSOP (14) 5.00 mm × 4.40 mm SN54HC74J CDIP (14) 21.30 mm × 7.60 mm SN54HC74W CFP (14) 9.20 mm × 6.29 mm SN54HC74FK LCCC (20) 8.90 mm × 8.90 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. xCLK C C xPRE C xQ C xD C C C C C xQ C xCLR Functional pinout An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. SN74HC74, SN54HC74 SCLS094F – DECEMBER 1982 – REVISED JUNE 2021 www.ti.com Table of Contents 1 Features.................