SPPU Electronics and Telecom Engineering (Semester 7)
VLSI Design & Technology
June 2015
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


Answer any one question from Q1 and Q2
1 (a) Explain device parasitic and their limitation on the performance of CMOS circuit.
10 M
1 (b) Write short note on source follower.
6 M

2 Explain with schematic various types of CMOS Differential Amplifier.
16 M

Answer any one question from Q3 and Q4
3 Draw Schematic and explain any three types of CMOS Inverter wrt Gain, Bandwidth and Rout.
16 M

4 (a) What is Technology Scaling? Explain various design rule checks in terms of λ.
12 M
4 (b) Write short note on Dynamic power dissipation of CMOS Inverter.
4 M

Answer any one question from Q5 and Q6
5 (a) Write VHDL Code for 16:1 Mux using 4:1 Mux as a component in structural style.
12 M
5 (b) Differentiate between Function and Procedure with VHDL Coding.
6 M

6 (a) Draw State diagram and write VHDL code for Traffic Light Controller.
12 M
6 (b) Define Resolution function with VHDL Code.
6 M

Answer any one question from Q7 and Q8
7 (a) Explain any four important specification of FPGA. Also explain the Significance of CLB's in FPGA.
8 M
7 (b) Explain Antifusable Generic FPGA Architecture.
8 M

8 (a) Enlist all the types of memory used in PLD's.
8 M
8 (b) With the help of diagram explain SRAM and antifuse FPGA. What factors are considered to make a choice between SRAM and Antifuse FPGA.
8 M

Answer any one question from Q9 and Q10
9 (a) Explain the significance of 'select', 'Capture' and 'shift' state in TAP controller.
8 M
9 (b) Explain:
i) Partial scan and full scan
ii) Stuck at '1' and '0' faults.
8 M

10 (a) What is the need for testability? Explain the different electrical faults.
8 M
10 (b) Explain Built in self Test? Differentiate between Online BIST and Offline BIST.
8 M

Answer any one question from Q11 and Q12
11 (a) How to achieve the EMI immune chip design? Explain the parasitic involved in routing matrix.
9 M
11 (b) Explain the following:
i) Supply and ground bounce
ii) Clock skew
iii) Clock jitter.
9 M

12 (a) What is signal integrity? Explain the important issues in SOC design.
9 M
12 (b) Explain in brief clock distribution in detail.
9 M



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