1 (a)
Draw CMOS implementation of D Flip Flop.

5 M

1 (b)
Implement y=A+B-C using dynamic CMOS logic.

5 M

1 (c)
Explain latchup in CMOS inverter.

5 M

1 (d)
Define scaling. Explain significance of scaling in VLSI circuits.

5 M

2 (a)
Draw CLA (carry lookahead adder) carry chain using

i) Static CMOS logic

ii) Dynamic CMOS logic

Pseudo NMOS logic.

i) Static CMOS logic

ii) Dynamic CMOS logic

Pseudo NMOS logic.

10 M

2 (b)
Draw IT DRAM cell and explain it's read write and refresh operation.

10 M

3 (a)
Explain clock generation networks and distribution networks used in VLSI circuits.

10 M

3 (b)
Give and explain CMOS input & output protection circuits.

10 M

4 (a)
Implement 4×4 barrel shifter using transmission gate. Explain various operation using the same.

10 M

4 (b)
Explain programming techniques used for EEPROM.

10 M

5 (a)
What are the drawback dynamic CMOS logic. Show the modification in dynamic CMOS logic to over come it's drawback.

10 M

5 (b)
Explain operation regions of CMOS inverter with equations.

10 M

Write short notes on.

6 (a)
Interconnect scaling

7 M

6 (b)
Cross talk.

7 M

6 (c)
Array multiplier.

7 M

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