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The Learning Circuit: 60: How Flip Flops Work

 

 

In this episode, Karen continues on in her journey to learn about logic ICs. She started with logic gates, then moved onto combination logic devices like muxes, demuxes, encoders, and decoders. This time she looks into sequential logic devices starting with flip-flops. In this episode, we learn about SR Latches, D-type flip-flops, and JK flip-flops. To understand the following devices, you may want to brush up on your logic gates. You’ll see AND, NAND, and NOR gates used to explain the function of these flip-flops. Follow along with Karen in this lesson to learn about latches, the difference between data inputs and clock signals, and what makes a JK flip-flop better than an SR flip-flop.

Anonymous

  • Mam,

             I have a doubt regarding active-high SR flipflop(i.e.., here we are using nor gate ).Nor gate will be active when both the inputs are low. When the set input is given high how does the output Q will be high .As we know that when the input is 00 for a NOR gate , then only the output will be high. I hope that I will get cleared my as early as possible.

                         Thanking you mam

  • Good presentation on basic Flip Flop options.

     

    These devices are an essential cornerstone of control logic implementation.

     

    DAB