List the advantages of CMOS over TTL in logic IC circuit des

List the advantages of CMOS over TTL in logic IC circuit design. List the advantages of TTL over CMOS

Solution

a)advantages of CMOS over TTL

1.)The main advantage of CMOS over TTL is CMOS logic family has low power consumption.

2.)Operates on a wider supply voltage (2 to 15 volts).

3.)CMOS logic family fan out rating rating may exceed 50 so therefore larger no of gates can be driven by the output of a single gate. Whereas For TTL logic family the maximum fan out is found to be around 10.

4.)The temperature stability for CMOS logic family is found to have wider temperature range in which they can operate satisfactorily. The operating temperature range for CMOS is -55 to 125°C   whereas for TTL it is around 25 to 70 °C.

b) advantages of TTL over CMOS

1.)TTL is less expensive when compared to CMOS.

2.)TTL is faster than CMOS