Edge-triggered D flip-flop

Edge-triggered D flip-flop

A more efficient way to make a D flip-flop is not so easy to understand, but it works the same way. While the master–slave D flip-flop is also triggered on the edge of a clock, its components are each triggered by clock levels. The "edge-triggered D flip-flop" does not have the master–slave properties.

Edge Triggered D flip flops are often implemented in integrated high speed operations using dynamic logic. This means that the digital output is stored on parasitic device capacitance while the device is not transitioning. This design of dynamic flip flops also enable simple resetting since the reset operation can be performed by simply discharging one or more internal nodes. A common dynamic flip flop variety is the True Single Phase Clock (TSPC) which performs the flip flop operation with little power and at high speeds.