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Nikhil Bhat
• Digital logic is implemented using transistors in
integrated circuits containing many gates.
– small-scale integrated circuits (SSI) contain 10 gates
or less
– medium-scale integrated circuits (MSI) contain 10-
100 gates
– large-scale integrated circuits (LSI) contain up to 104
gates
– very large-scale integrated circuits (VLSI) contain
>104 gates
• Improvements in manufacturing lead to ever
smaller transistors allowing more per chip.
– >107 gates/chip now possible; doubles every 18
months or so
 Integration improves the design
◦ Higher speed
◦ Lower power consumption
◦ Physically smaller
 Integration reduces manufacturing cost -
(almost) no manual assembly
 VLSI is an implementation technology for electronic circuitry -
analogue or digital
 It is concerned with forming a pattern of interconnected
switches and gates on the surface of a crystal of
semiconductor
 Microprocessors
◦ personal computers
◦ microcontrollers
 Memory - DRAM / SRAM
 Special Purpose Processors - ASICS (CD players, DSP
applications)
 Optical Switches
 Has made highly sophisticated control systems
massproducable and therefore cheap
3 input and gate
Library ieee;
Use ieee.std_logic_1164.all;
Entity and3 is
Port( a,b,c: in bit;
y: out bit);
End and3;
Architecture data of and3 is
Begin
y<= a and b and c;
End data;
3 input and gate
Module and3 (y,a,b,c);
input a,b,c;
output y;
Assign y= a & b & c;
endmodule
 Intel Asia Electronics, Inc
 AMD
 ST Microelectronics Ltd.
 Cypress
 WIPRO Technologies
 HCL Technologies India Pvt. Ltd.
 Xilinx
 Altera
 Siemens Semiconductors
 Cisco Systems (India) Pvt. Ltd.
 Infosys
 GE India Design Centre
 IBM
 Sasken Technologies
 Mentor Graphics
Summer Internship | Industrial Training in VLSI Design | Chip Design

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Summer Internship | Industrial Training in VLSI Design | Chip Design

  • 2.
  • 3. • Digital logic is implemented using transistors in integrated circuits containing many gates. – small-scale integrated circuits (SSI) contain 10 gates or less – medium-scale integrated circuits (MSI) contain 10- 100 gates – large-scale integrated circuits (LSI) contain up to 104 gates – very large-scale integrated circuits (VLSI) contain >104 gates • Improvements in manufacturing lead to ever smaller transistors allowing more per chip. – >107 gates/chip now possible; doubles every 18 months or so
  • 4.  Integration improves the design ◦ Higher speed ◦ Lower power consumption ◦ Physically smaller  Integration reduces manufacturing cost - (almost) no manual assembly
  • 5.
  • 6.
  • 7.  VLSI is an implementation technology for electronic circuitry - analogue or digital  It is concerned with forming a pattern of interconnected switches and gates on the surface of a crystal of semiconductor  Microprocessors ◦ personal computers ◦ microcontrollers  Memory - DRAM / SRAM  Special Purpose Processors - ASICS (CD players, DSP applications)  Optical Switches  Has made highly sophisticated control systems massproducable and therefore cheap
  • 8.
  • 9.
  • 10.
  • 11.
  • 12.
  • 13. 3 input and gate Library ieee; Use ieee.std_logic_1164.all; Entity and3 is Port( a,b,c: in bit; y: out bit); End and3; Architecture data of and3 is Begin y<= a and b and c; End data;
  • 14. 3 input and gate Module and3 (y,a,b,c); input a,b,c; output y; Assign y= a & b & c; endmodule
  • 15.  Intel Asia Electronics, Inc  AMD  ST Microelectronics Ltd.  Cypress  WIPRO Technologies  HCL Technologies India Pvt. Ltd.  Xilinx  Altera
  • 16.  Siemens Semiconductors  Cisco Systems (India) Pvt. Ltd.  Infosys  GE India Design Centre  IBM  Sasken Technologies  Mentor Graphics