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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.