IC TECHNOLOGY.

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Presentation transcript:

IC TECHNOLOGY

Introduction to IC Technology Definition of IC: The technique where many circuit components are integrated on single silicon wafer. Feature size: The feature size of any semiconductor technology is defined as the minimum length of the MOS transistor channel between the drain and the source. Speed and Power: Smaller size of IC components yields higher speed and lower power consumption due to smaller parasitic resistances, capacitances and inductances.

Levels of Integration:- Small Scale Integration:- (10-100) transistors => Example: Logic gates ii) Medium Scale Integration:- (100-1000) => Example: counters iii) Large Scale Integration:- (1000-20000) => Example:8-bit chip iv) Very Large Scale Integration:- (20000-1000000) => Example:16 & 32 bit up v) Ultra Large Scale Integration:- (1000000-10000000) => Example: Special processors, virtual reality machines, smart sensors

Moore’s Law Definition: As Gordon Moore(one of the founder of Intel) predicted in the early 1970s that number of transistors per chip continued to double every one and half year or 18 months at the same time dimension of the transistor is dropped down from 25µm in 1960 to 0.18µ in 2000.

Questions Session – 1 Learning Plan : IC Technology At the end of this class hour on 18-12-14 my students will be able to Define the functionality of Bipolar Junction Transistor State Moore’s law Define Integrated Circuit(IC) Define feature size

IC Technology There are 2 types of IC technologies. Bipolar Technology MOS Technology PMOS Technology NMOS Technology CMOS Technology

Comparison of available technologies

Transistors integrated on a chip

Questions Session – 1 Learning Plan : IC Technology At the end of this class hour on 18-12-14 my students will be able to Define levels of integration Define SSI(Small Scale Integration) Define MSI(Medium Scale Integration) Define LSI(Large Scale Integration) Define VLSI(Very Large Scale Integration) Illustrate levels of integration