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D flip-flops

D Flip-Flop POSSR

This component is a D flip-flop with active-high direct inputs and complementary outputs. The information on the D input is transferred to the outputs on the rising edge of the clock pulse.

D flip flop conpane.PNG

Function table

SET RESET CLK D Q ~Q
L
H
X X L
H
H
L
X X H
L
L
L
L
L
H
L
L
H
H
L

          H = HIGH Level

          L = LOW Level

          X = Don't Care

          ↑  = LOW-to-HIGH Clock transition

           SET, RESET = Direct Inputs


D Flip-Flop NEGSR

This component is a D flip-flop with active-low direct inputs and complementary outputs. The information on the D input is transferred to the outputs on the rising edge of the clock pulse.

dff_negsr_symbol

Function table

SET RESET CLK D Q ~Q
L
H
X X H
L
H
L
X X L
H
H
H
L
L
H
H
H
H
H
L

         H = HIGH Level

         L = LOW Level

         X = Don't Care

         ↑ = LOW-to-HIGH Clock transition

         SET, RESET = Direct Inputs