NOR-gate Latch

The time sequence at right shows the conditions under which the set and reset inputs cause a state change, and when they don't.

The concept of a "latch" circuit is important to creating memory devices. The function of such a circuit is to "latch" the value created by the input signal to the device and hold that value until some other signal changes it.

NOR-gateNAND-gate Latch

Electronics concepts

Digital circuits

Digital Systems, Sec 5.1
HyperPhysics*****Electricity and magnetismR Nave
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