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LATCH

Latches

What is a Latch?

A latch is a type of digital circuit that can store a bit of information. It's a basic memory element in sequential logic.

Types of Latches

  • SR Latch (Set-Reset Latch): A simple latch that can be set or reset using two inputs.
  • D Latch (Data Latch): A latch that stores the value of the input data when the clock signal is high.

How Latches Work

  • Latches are bistable devices, meaning they can exist in one of two stable states.
  • The state of the latch is determined by the input signals.
  • Latches are often used in digital circuits to store temporary data or to implement more complex sequential logic.

Applications

  • Memory Elements: Latches are used as basic memory elements in digital circuits.
  • Sequential Logic: Latches are used to implement sequential logic circuits, such as counters and finite state machines.
  • Digital Systems: Latches are used in a wide range of digital systems, including computers, smartphones, and other electronic devices.

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