SN54AHCT273

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community SN54AHCT273, SN74AHCT273 SCLS375F – JUNE 1997 – REVISED JULY 2014 SNx4AHCT273 Octal D-Type Flip-Flops With Clear 1 Features 1 Inputs are TTL-Voltage Compatible Contain Eight Flip-Flops With Single-Rail Outputs Direct Clear Input Individual Data Input to Each Flip-Flop Latch-Up Performance Exceeds 250 mA Per JESD 17 ESD Protection Exceeds JESD 22 – 2000-V Human-Body Model (A114-A) – 200-V Machine Model (A115-A) – 1000-V Charged-Device Model (C101) 2 Applications Buffers and Storage Registers Shift Registers Pattern Generators Servers PCs and Notebooks Network Switches Memory Systems Databases 3 Description These devices are positive-edge-triggered D-type flip-flops with a direct clear (CLR) input. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) SSOP (20) 7.20 mm × 5.30 mm SOIC (20) 12.80 mm × 7.50 mm SNx4AHCT273 PDIP (20) 22.48 mm × 6.35 mm TSSOP (20) 6.50 mm × 4.40 mm TVSOP (20) 5.00 mm × 4.40 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. 4 Simplified Schematics 1D 2D 3D 4D 5D 6D 7D 8D 3 4 7 8 13 14 17 18 11 CLK 1D C1 R 1D C1 R 1D C1 R 1D C1 R 1D C1 R 1D C1 R 1D C1 R 1D C1 R 1 CLR 2 5 6 9 12 15 16 19 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q C C D TG TG Q C C TG C C CLK(I) C TG CC C R 1 An IMPORTANT NOTICE at the end of this data sheet addresses avai...