Question Bank for Mid-2 r13(Vlsi).

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Transcript of Question Bank for Mid-2 r13(Vlsi).

Sl.No Question Text Book Page Nos.

DIGITAL SYSTEM DESIGNUnit-4

1 .a)Discuss about Kohavi algorithm and design a two level AND-OR circuit that realizes the function F=X1.X2+ X1X3’ X4’+ X2X4.

Find a minimum test set for this network.b) )Apply Kohavi algorithm and derive the minimal complete test set for SA-0 and SA-1 faults for a given function F(W,X,Y,Z)=W’Y’+Y’Z+WXZ+XYZ’.

T1 133-138(material)

2 a) A combinational circuit is defined by the functions F1=∑m(3, 5, 6, 7 )F2=∑m(0,2,4,7). Implement the circuit with a PLA having 3 inputs,3 product terms and 2 outputs.b) Explain the faults in PLA

T1 179

3 a) Explain the fault diagnosis process of combinational logic circuit with an example.b) What is the significance of Kohavi Algorithm? Explain how it detects multiple faults ina two-level network.

T1 123-134133-138

4 Explain the circuit under test methods a)path sensitization methodb) Boolean difference method

T1 128-133

5 Explain the concept built in self-test T1 195-99,457(t3)

6 What are the fault classes and models explain each with gates ?

T1 179,meterial

Unit-51 a) Conduct a Homing experiment and determine shortest

homing sequence which identifies the final state with an example?b) Write short note on sequential test techniques.

T1 250

2 Explain the fault detection in sequential circuits? T3 549,5643 Explain the following

a)circuit test approachb)initial state identification

4 Explain the procedure for machine identification? T2 meterial5 Explain the following with short description

a) distinguishing experimentsb) adaptive distinguishing experiments

6

NOTE: ALL ARE AVAILABLE IN DSD MATERIAL AND IN N BISWAS TEXT

T1—N.N.BISWAST2--MIRON MOVICIT3—MATERIAl

DEGITAL DESIGN USING HDL

Sl.No

Question Text Book

Page Nos.

Unit-41 What is meant by synthesis? Explain the synthesis in logic

circuits.T2 (760-63)

2 What are the sequential logic circuits (F/F,latches) and explain the synthesis of sequential logics ?

T2 (807-808)

3 Explain the followinga) implicit state machines b) explicit state machines

T2

4 How the synthesis process performed ina) registersb)counters

T2 (739-740)

5 Explain the concept synthesis in combinational logic T2 (322-329)6

Unit-51 Explain

a)need for testing logic circuitsb)fault model

T2 728-729

2 What is built in self-test? T2 743-7473 Explain the CAD TOOLS and give description? T2 760-7724 Explain the operation of printed circuit board in VLSI

technology?T2 750-753

5 Explain the following a) path sensitizationb)random tests

T2 731-736

6 what is complexity of a test set and explain the synthesis in testing of digital logic circuits ?

T2 729

T1—Bhaskar’s VHDL PrimerT2—Digital Logic Design By Stephen Brown ,Tata Mc Grahill

VLSI DESIGN &TECHNOLOGYSl.No

Question Text Book Page Nos.

Unit-4

1 a) What are the various simulators used for combinational logic design? Explain their need. (b) Explain how the gate placement effects load capacitance in fan-out of combinational logic

T3 (218-222)

2 a) Explain the technology independent and technology dependant strategies of power optimization used in sequential systems. (b) Write notes on clocking disciplines.

T3 (249-53)

3 a) What is meant by switch logic? Discuss about alternative gate circuits. (b) Explain how to determine resistive and inductive interconnect delays of logic circuits.

T3 (253-57)

4 Explain the design of arithmetic logic unit (ALU) ? T3 (349-50)5 What are the other system considerations in sub system

design ?T3

6 T3

Unit-5t31 (a) Explain the design validations in the floor planning methods.

(b) Describe the Placement and routing techniques used in floor planning.

T3 (379-90)

2 Explain the chip designing methodologies give description ? T3 (493-502)3 Explain the different types of architecture register – transfer

design ?T3 (442-45)

4 Explain the floor planning methods and off chip connections in floor planning .

T3 (403-408)

5 write short notes on the following: (a) Layout Synthesis. (b) Hardware/Software Co-Design.

T3 (533-540)566

6 Explain the architectures for low power vlsi chips& architecture testing .

T3 (502-510)

T1:PUCKNELT2:JOHN.P.VYEMUVAT3. VLSI by Wayne wolf

CPLD & FPGA ARCHITECTURE AND APPLICATIONS

Sl.No Question Text Book Page Nos.

Unit-41 The Actel ACT1 FPGA uses the following circuit shown

below. How would you Implement the function Y = A+B+C?

2 Explain about anti-fuse programming technology with an example ?

3 Write notes on the following. a) ACTEL’s and their speed performance. b) Parallel adder design using FPGA.

T1 (27-29)

4 Explain the device architecture in anti-fuise programmed architecture ?

T1 (16-18)

5 Explain the following actel architecture a) actel 1b) actel 2

T1 (28-30)

6 Explain the ACT 2 and ACT 3 Logic Modules. T1 2.15 ,folder

Unit-51 What are the applications over the FPGA architectures give

description?T1 (8-9)

2 Give brief description about followinga)general design issues b)accumulators with act architecture

3 What are the sequential circuit examples of FPGA’S ?4 Explain the operation and architecture of fast DMA

controller?5 Explain the following applications

a)fast video controllerb)position tracker for robot

6 Explain the designing of counter with act devices and give application ?

T1: FPGA ARCHITECHTURE& APPLICATION BY STEPHEN BROWNT2: DSD WITH FPGA &CPLD BY IAR GROUTT3: CPLDFPGA FOLDER

CMOS ANALOG IC DESIGN

Sl.No Question Text Book Page Nos.

Unit-41 Explain how the compensation of op-amps in cmos op-amp

devices?T2 (355-369)

2 Explain the any two measurements techniques in op-amps? T2 (297-307)3 Explain the concept of cascode op-amps in CMOS. T2 (334-336)4 Define PSSR? And how it will be in two stage op-amps? T2 (296-307)5 Design a two stage operational amplifier with CMOS

implementation?6 How a CMOS op-amp is designed? And give analysis?

Unit-51 What is comparator? Give its characterization?2 Explain the following

a) two-stage comparatorsb)open-loop comparators

3 Explain the discrete time comparators?4 What are the procedures for improving the performance of

open-loop comparators? 5 What are the other open loop comparators explain in brief ?6

T1: ANALYSIS & DESIGN OF ANALOG IC CIRCUITS by PAUL GRAY (SOFT COPY)

T2: DESIGN OF ANALOG CMOS IC CIRCUITS by BEHZAD RAZANI

CMOS DIGITAL IC DESIGN

Sl.No Question Text Book Page Nos.

Unit-41 Differentiate the high performance dynamic CMOS circuits

with CMOS circuits?T1 (380,388)

2 What is the basic principle of dynamic logic circuits and explain the need of dynamic logic in digital era ?

T1

3 Give complete description of dynamic CMOS transmission gate logic? Give its circuits?

T1 (245-248)

4 Explain the concept voltage bootstrapping?5 What is a pass transistor? And explain the synchronous

dynamic pass transistor circuits?Stephen brown

(146-149)

6

Unit-51 What are the different types of semiconductor memories

give brief description?T1 437

2 Explain the array organization of RAM? T1 4403 Explain the following

a) DRAM typesb) Leakage currents & refresh operation.

T1 (458-63)

4 Explain the following in SRAMa)leakage currents b) SRAM cells implementation

T1 (438-440)

5 Explain the two types of flash memories a)NORB) NAND

T1: ken martin ,oxford university editionT2: jan.p. rabey,PHI edition