D-type flip-flop

D-type flip-flop

(hardware)
A digital logic device that stores the status of its "D" input whenever its clock input makes a certain transition (low to high or high to low). The output, "Q", shows the currently stored value.

Compare J-K flip-flop.
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The D-type flip-flop generates the data on its Q output pin as the effect of the signal edge on its CK-pin.
Semtech's first wave of ECL Logic products also includes a 4-bit D-type flip-flop - the SK10/100E131 - that can be clocked separately from other flip-flops and features differential outputs.
The ACS174MS is a hex D-type flip-flop, and the ACS175MS is a quad D-type flip-flop with reset, transferring information at the D input to the Q output on the positive-going transition of the clock.
Advanced features include mapping of logic to Mercury device logic and I/O atoms, automatic inference of single, dual, and quad port RAMs/ROMs, support of D-type flip-flops with either set or reset and optimization to Mercury device counters.