6th October 2019

wikipedia
15

What is a synchronous sequential circuit?

A synchronous circuit is a digital circuit in which the changes in the state of memory elements are synchronized by a clock signal. In a sequential digital logic circuit, data is stored in memory devices called flip-flops or latches. Exceptions are often compared to fully synchronous circuits.

Just so, what is the difference between synchronous and asynchronous?

The protocols for serial data transfer can be grouped into two types: synchronous and asynchronous. For synchronous data transfer, both the sender and receiver access the data according to the same clock. Although the difference is very small, it can accumulate fast and eventually cause errors in data transfer.

What is an asynchronous sequential circuit?

An asynchronous circuit, or self-timed circuit, is a sequential digital logic circuit which is not governed by a clock circuit or global clock signal. Most digital devices today use synchronous circuits.

Which is faster synchronous or asynchronous sequential circuits?

Asynchronous sequential logic is not synchronized by a clock signal; the outputs of the circuit change directly in response to changes in inputs. The advantage of asynchronous logic is that it can be faster than synchronous logic, because the circuit doesn't have to wait for a clock signal to process inputs.
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