03000EC304052002

PART ட

Answer any two full questions, each carries 20 marks
Explain three different designs of ROM using CMOS transistors.
With neat figures and appropriate equations, explain the design of Linear Carry
Select adders.
With neat block diagram explain 4x4 bit-array multiplier.
Draw the CMOS implementation of a NAND ROM cell to store 4 words of 4bits
each which are as follows 1010, 1000, 1101 and 1001.
Explain six transistor CMOS SRAM cell .What are its merits and demerits.
Compare carry bypass adder and carry select adders.

With diagram, explain how a voltage sense amplifier can read and write a bit.

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