What are SSI,MSI,LSI and VLSI?
Answers
SSI – Small Scale Integration
It have less than 100 components (about 10 gates).
MSI – Medium Scale Integration
It contains less than 500 components or have more than 10 but less than 100 gates.
LSI – Large Scale Integration
Here number of components is between 500 and 300000 or have more than 100 gates.
VLSI – Very Large Scale Integration
It contains more than 300000 components per chip
VVLSI - Very Very Large Scale Integration
It contains more than 1500000 components per chip.
Comparison of IC and Discrete Circuits
Integrated circuits and discrete circuits can be compare as follows:
Integrated Circuits (IC’s)
I.C can work on low voltages.
They can handle limited amount of power.
They are very small in size
They are cheap
Complex circuitry on a chip may be used to obtain improved performance characteristics.
Discrete Circuits
Discrete circuits require comparatively more voltage.
Discrete circuits can handle much more power than IC.
Circuit with discrete components acquires large space.
Discrete circuits are costly than IC’s.
The performance is not good.
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Answer:
SSI small-scale integrated
MSI medium- scale integrated
LSI large - scale integrated
and VLSI very large - scale integrated