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SN54ACT74 - DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS

Description

ordering information NC

The ’ACT74 dual positive-edge-triggered devices are D-type flip-flops.

A low level at the preset (PRE) or clear (CLR) input sets or resets the outputs, regardless of the levels of the other inputs.

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Full PDF Text Transcription

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D 4.5-V to 5.5-V VCC Operation D Inputs Accept Voltages to 5.5 V SN54ACT74, SN74ACT74 DUAL POSITIVEĆEDGEĆTRIGGERED DĆTYPE FLIPĆFLOPS WITH CLEAR AND PRESET SCAS520H − AUGUST 1995 − REVISED OCTOBER 2003 D Max tpd of 10.5 ns at 5 V D Inputs Are TTL-Voltage Compatible SN54ACT74 . . . J OR W PACKAGE SN74ACT74 . . . D, DB, N, NS, OR PW PACKAGE (TOP VIEW) 1CLR 1 1D 2 1CLK 3 1PRE 4 1Q 5 1Q 6 GND 7 14 VCC 13 2CLR 12 2D 11 2CLK 10 2PRE 9 2Q 8 2Q SN54ACT74 . . . FK PACKAGE (TOP VIEW) 1D 1CLR NC VCC 2CLR 1CLK NC 1PRE NC 1Q 3 2 1 20 19 4 18 5 17 6 16 7 15 8 14 9 10 11 12 13 2D NC 2CLK NC 2PRE 1Q GND NC 2Q 2Q description/ordering information NC − No internal connection The ’ACT74 dual positive-edge-triggered devices are D-type flip-flops.
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