VL7102 VLSI DESIGN TECHNIQUES

VL7102 VLSI DESIGN TECHNIQUES

UNIT I            MOS TRANSISTOR THEORY

NMOS and PMOS transistors, CMOS logic, MOS transistor theory – Introduction, Enhancement mode transistor action, Ideal I-V characteristics, DC  transfer characteristics, Threshold voltage- Body effect- Design equations- Second order effects. MOS models and small signal AC characteristics, Simple MOS capacitance Models, Detailed MOS gate capacitance model, Detailed MOS Diffusion capacitance model 

UNIT II CMOS TECHNOLOGY AND DESIGN RULE

CMOS fabrication and Layout, CMOS technologies, P -Well process, N -Well process, twin -tub process, MOS layers stick diagrams and Layout diagram, Layout design rules, Latch up in CMOS circuits, CMOS process enhancements, Technology – related CAD issues, Fabrication and packaging. 

UNIT III INVERTERS AND LOGIC GATES

NMOS and CMOS Inverters, Inverter ratio, DC and transient characteristics , switching times, Super buffers,  Driving large capacitance loads, CMOS logic structures , Transmission gates,   Static CMOS design, dynamic CMOS design.

UNIT IV CIRCUIT CHARACTERISATION AND PERFORMANCE  ESTIMATION

Resistance estimation, Capacitance estimation, Inductance, switching characteristics, transistor sizing, power dissipation and design margining. Charge sharing .Scaling. 

UNIT V VLSI SYSTEM COMPONENTS CIRCUITS AND SYSTEM LEVEL PHYSICAL DESIGN

Multiplexers, Decoders, comparators, priority encoders, Shift registers. Arithmetic circuits – Ripple carry adders, Carry look ahead adders, High-speed adders, Multipliers. Physical design – Delay modelling ,cross talk, floor planning, power distribution. Clock distribution. Basics of CMOS testing.

REFERENCES: 

1.  Neil H.E. Weste and Kamran Eshraghian, Principles of CMOS VLSI Design, Pearson Education ASIA, 2nd edition, 2000. 

2.  John P.Uyemura “Introduction to VLSI Circuits and Systems”,   John Wiley &  Sons, Inc., 2002. 3. Eugene D.Fabricius, Introduction to VLSI Design McGraw Hill International Editions, 1990. 

4. Pucknell, “Basic VLSI Design”, Prentice Hall of India Publication, 1995. 

5. Wayne Wolf “Modern VLSI Design  System on chip. Pearson Education.2002.