what is the main difference between Flipflops and latches?? somebody please answer....

Dear Varun, Latch is just a unit, that is, a one bit memory storage element and a flip-flop is an assembly of more than one latches and the bit for the flip-flop will be equal to 2^n.

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Latches are level triggered but flip flops are edge triggered, be it positive or negative edge triggered. Are you aware that dual edge triggered flip flops exist, the flip flop which triggers on both the edges of the clock signal?

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Hi Varun latches and flip-flops are the building blocks of sequential circuits. latch works without clock signal,but works with a control signal and it is level triggered device. whereas flip flop is a 1 bit storage element and works with a clock signal.its a edge triggered device. Latchs: They are sensitive to the duration of pulse and can transfer data until they are switched on. They hold the last logic at the output if we put it off(bring the strobe pin to low). They are used as temporary buffers. FF: They are sensitive to signal change(low to high or high to low) and not the level. Hence they transfer data only at that instant and it cannot be changed until next signal change. Due to this they are used as registers. latches are avoided and flip flops are preferred.

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