SN54AHC74, SN74AHC74 www.
ti.
com SCLS255K – DECEMBER 1995 – REVISED DECEMBER 2013 Dual Positive-Edge-Triggered D-Type Flip-Flops With Clear and Preset Check for Samples: SN54AHC74, SN74AHC74 FEATURES 1 • Operating Range 2-V to 5.
5-V VCC • 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) DESCRIPTION The ’AHC74 dual positive-edge-triggered devices are D-type flip-flops.
A low level at the preset (PRE) or clear (CLR) inputs sets or resets the outputs, regardless of the levels of the other inputs.
When PRE and CLR are inactive (high), data at the data (D) inp...

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