Function : DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOPS WITH PRESET AND CLEAR
Maker : Motorola => Freescale
TheSN54/74LS74A dual edge-triggered flip-flop utilizesSchottky TTL circuitryto produce high speed D-type flip-flops. Each flip-flop hasindividual clear and set inputs, and also complementary Q and Qoutputs.
Informationat input D is transferred to the Q output on thepositive-going edgeof the clock pulse. Clock triggering occursat a voltage level of the clock pulseand is not directly related to the transition time of the positive-going pulse.When the clock input is at either the HIGH or the LOW level, the D input signal has no effect.
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Others datasheet of same file : 54LS74,74LS74A,SN54LS74J,SN74LS74D,SN74LS74N