Answered: triggered flip-flop) for: (a) T…

triggered flip-flop) for: (a) T flip-flop with active low clear (CLR') and preset (PRE') (b) T flip-flop with without a clear and preset Note: Q is initially high CLOCK CLR PRE

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter22: Sequence Control

Section: Chapter Questions

Problem 6SQ: Draw a symbol for a solid-state logic element AND.

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Concept explainers

Latches and Flip Flop

Just like logic gates, the latches and flip-flops are the important elements of an electronic circuit. The logic gates form the important part of combinatorial circuits, while the latches and flip-flops form the essential part of a sequential circuit. Sequential circuits form the important concept of automata theory in electronics and electrical engineering, these circuits are a kind of logic circuit whose output depends on both present input and past inputs, that is, the input history.

Question

For the input shown below, draw the timing diagram for the flip-flop output Q (Assume negative-edge
triggered flip-flop) for:
(a) T flip-flop with active low clear (CLR') and preset (PRE')
(b) T flip-flop with without a clear and preset
Note: Q is initially high
CLOCK
T
CLR
PRE

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