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Digital Electronics
NUMBER SYSTEM
BINARY CODES
BOOLEAN ALGEBRA
K MAPS
COMBINATIONAL CKT
SEQUENTIAL CIRCUITS
INTRODUCTION
CLOCK
BISTABLE MULTIVIBRATOR
DERIVATION of FLIPFLOP circuit
RS FLIPFLOP
RS FLIPFLOP(NAND IMPLEMENTATION)
R'S' FLIPFLOP
Clocking RS LATCH
Other LATCHes
Timing problem in LATCHES
EXCITATION TABLES OF FF
MORE QUESTIONS
TIMING CIRCUITS

 

EXCITATION TABLE OF FLIP-FLOPS

Excitation of a flip-flop is actually exact opposite of what a truth table is. The truth table for the flip-flop gives us the output for the given combination of inputs and present output while an excitation table gives the input condition for the given output change.

E.g. As in truth table we say for T flip-flop if input T is 1 and previous Q is 0 then we have output as 1 while in excitation table we are given that present output Q is 0 and new Q is 1 then input T is 1.

Next we write truth table of various flip-flops and then we write their excitation flip-flops.

 

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