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# T Flip-Flop

T flip-flop is a much simpler version of the J-K flip-flop.

Both the J and K inputs are connected and are also called as a single input J-K Flip-flop.

## Triggering of Flip-Flops

The state of the flip-flop is changed by a momentary change in the input signal. This momentary change is known as Trigger, and the transition it causes is said to triggering the flip-flop.

Pulses trigger clocked flip-flops.

A pulse start from the initial value of â€˜0â€™, goes momentarily to â€˜1â€™, and after a short while, returns to its initial â€˜0â€™ value.

A clock pulse is either positive or negative.

A positive clock source remains at â€˜0â€™ during the interval between pulses and goes to 1 during the occurrence of a pulse.

The pulse goes through two signal transition: from â€˜0â€™ to â€˜1â€™ and return from â€˜1â€™ to â€˜0â€™.

## Definition of clock pulse transition:

The positive transition is defined as a positive edge and the negative transition as a negative edge.

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