|Feb26-04, 06:19 PM||#1|
latch and flip flop
Is latch a type of flip-flop? i'm confuse. [*(]
|Feb27-04, 02:06 AM||#2|
basically a latch stores data on one of the levels of a clock signal (when the signal is either 1 or 0), while the flip-flop stores data on one of the edges of the clock signal (either falling edge or rising edge).
|Mar1-04, 08:13 PM||#3|
Using a Latch, you can make a Gated Latch.
Using a Gated Latch, you can make a Flip Flop.
So, FFs are a subset of Gated Latches, which are subsets of the basic Latch (two transistors).
Have you tried using a 74LS series Gated latch chip (don't remember exact part number) to make a Flip Flop? Try it!!!
Use a gated SR Latch to make an SR Flip Flop.. how? Before the Gate input... make your own custome Pulse Transition Detector.
So your PTD circuitry has to convert a level change into a short spike. You figure a circuit out!!! (There are a bilion ways to do this)
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