![]() ![]() CH7ĥ Introduction (cont.) Synchronous VS AsynchronousĪll state transitions are controlled by a common clock Changes in all variables occur concurrently State transitions occur independently of any clock Changes in all variables do not necessarily occur concurrently CH7Ħ Latches A latch is a temporary storage device that has two stable states (bistable). ![]() In fact we can classify into two main classes :- Output can depend on the past and present inputs/outputs. Serial In/Serial Out Shift Registers Serial In/Parallel Out Shift Registers Parallel In/Serial Out Shift Registers Parallel Out/Parallel Out Shift Registers Bidirectional Shift Registers Shift Register Counters Shift Register Applications Conclusions CH7Ĥ Introduction Well, what u learned before is just one class of digital circuits. ![]() Operating Characteristics and Application Asynchronous Counter Synchronous Counter Cascaded Counters Counter Decoding Counter Applications Conclusions CH7ģ Contents Basic Shift Register Functions ![]() 1 Sequential Circuits: Flip-Flops and Counter By Taweesak ReungpeerakulĬhapter 5 Sequential Circuits: Flip-Flops and Counter By Taweesak Reungpeerakul CH7Ģ Contents Introduction Latches Edge-Triggered Flip-Flops (ET-FFs) ![]()
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