Logic - Latches

Logic latches are electronic components used in digital circuits to store binary data. They consist of two inputs (S and R), an output (Q) and a control input (EN). The S input sets the latch’s state, while the R input resets it. When EN is high, the latch’s output (Q) follows the input (S); when EN is low, Q maintains its current state. Latches are commonly used in sequential logic circuits, where the output depends on both the current input and the previous state of the circuit. They are essential for creating finite state machines, counters, and other digital systems that require memory elements.

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