Clock Triggering

Clock Triggering (Type of clock triggering)

1. Clock TRIGGERING Amshal Ejaz 20-Arid-1669

2. clock Clock signal: Clock signal is a periodic signal and its ON time and OFF time need not be the same. We can represent the clock signal as a  square wave , when both its ON time and OFF time are same. This clock signal is shown in the following figure. High low

3. Triggering: The process of applying clock to any sequential circuit is known as triggering. The number of cycle per second is called frequency. Time required for number of cycle completing in one second.

4. four type of clock triggering 1) Negative level triggering 2) Positive level triggering 3) Positive edge triggering 4) Negative edge triggering

5. Negative level triggering If the flip flop is triggered at the negative level of the clock pulse, then it is said to be negative/low level triggering.

6. Positive level triggering  If the flip flop is triggered at the positive level of the clock pulse, then it is said to be a positive/high level triggering.

7. Positive edge triggering When the output responds to the change in the input only at the positive edge of the clock pulse, then the clock pulse is said to be a positive edge triggered.

8. Negative edge triggering When the output responds to the change in the input only at the negative edge of the clock pulse, then the clock pulse is said to be a negative edge triggered.