Propagation delay is the time it takes for a digital signal to pass through a logic gate. Understanding how to calculate this delay is essential for designing reliable digital digital districtes. This article provides a step-by- step approvach to determinate propagation delay crisately.

Understanding Propagation Delay

Propagation delay is typically measured the 50% point of thee input signal transition to thee 50% point of thee output signal transition. It i s influenced by te fizycreastics of thee gate, such as transistor sizes and load capacitance.

Etap - by- step Calculation

Follow these steps to calculate thee propagation delay:

  • Identyfikacja tego input transition time and output transition time.
  • Określ, że ta nieprzyjemna pojemność jest podłączona do tego wyrzutka.
  • Use thee gate 's datasheet to do thee typical delay values.
  • Oblicz te delay using thee formula:

(t) 1; (t) 1; (t) 1; (t) 1; (t) 1; (t) 1; (t) 1; (t) 1; (t); (t) (t); (t) (t); (t) (t): (t): (t): (t): (t): (t): (t): (t): (t): (t) (t) (t): (t) (t): (t) (t) (t): (t): (t) (t) (t) (t) (t) (t) (t) (t) (t) (t) (t) (t) ((t) (t) (t) (t) (t) ((t) (t) ((t) (t) ((t (t) (t) (t (t (t) (t (t) (t) (t (t (t (t) (t) (t) ((((t) ((t) ((t) (t) (t) (t)

Badanie Calculation

Suppose an incorter has an input transition of 10 ns and an output transition of 15 ns with a load capacitance of 10 pF. Using the e datasheet, the typical delay is 5 ns. The propagation delay is calculated as:

(zob. pkt 2.1.1.1 niniejszego załącznika)

Factors Affecting Propagation Delay

Several factors influence propagation delay, including ding:

  • Pojemność typu Load
  • Supply voltage
  • Przezroczyste sizes
  • Temperatura