The SR latch is a type of latch which has two input lines designated as S and R. Where, S represents the Set input and R represents the Reset input. Thus, it is also known as Set-Reset Latch. The SR latch has two stable states namely Set state (S) and Reset state (R). The block diagram of the SR latch is shown in the following figure.. Understanding the latching circuit diagram:. also known as a latch or flip-flop circuit, is a type of electronic circuit that maintains its state even after the input signal is removed.. The basic principle behind a latching circuit is the use of feedback to retain the state of the circuit. It consists of two stable states, commonly.
The S-R latch is one of the basic building blocks in digital electronics. Learn how it works and how to use it in this beginner's tutorial.. Before starting with the S-R latch you need to know what a latch is. A latch is an asynchronous circuit (it doesn't require a clock signal to work), and it has two stable states, HIGH ("1") and.. The circuit shown below is a basic NAND latch.. The truth table and diagram. Simulate. The R = S = 0 combination is called a restricted combination or a forbidden state because, as both NAND gates then output 1s, it breaks the logical equation Q = not Q. The combination is also inappropriate in circuits where both inputs may go high.