Digital Electronics/Synchronous Device/Flip Flop

Flip Flop

Flip Flop is a Digital Circuit can be constructed from two NAND or NOR gates to form a circuit that has 2 stable states Set or RESET , 1 Unused state and 1 store state

NAND Flip Flop

Configuration

Truth Table

SR latch operation
S	R	Action
0	1	Q = 1
1	0	Q = 0
1	1	Previous state

Symbol

NOR Flip Flop

Configuration

Truth Table

SR latch operation
S	R	Action
0	1	Q = 1
1	0	Q = 0
1	1	Keep state

Symbol