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Digital Logic Circuits                                    28

                           POSITIVE EDG

D-Flip Flop             D

                           S1 Q1
                               SR1

                             C1

                           R1 Q1'

                        C

                           SR2 inactive
                            SR1 active

JK-Flip Flop

                    J S1 Q1
                                                                SR1
                                                              C1

                    K
                                                            R1 Q1'

                   C

T-Flip Flop: JK-Flip Flop whose J and K in
          T input. Toggles whenever there is

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