What is latency? Give the types?

Answer:

1. Source Latency:

• It is known as source latency also. It is defined as "the delay from the clock origin point to the clock definition point in the design".
• Delay from clock source to beginning of clock tree (i.e. clock definition point).
• The time a clock signal takes to propagate from its ideal waveform origin point to the clock definition point in the design.

1. Network latency:

• It is also known as Insertion delay or Network latency. It is defined as "the delay from the clock definition point to the clock pin of the register".

• The time clock signal (rise or fall) takes to propagate from the clock definition point to a register clock pin.