Verylargescale integration VLSI is the process of creating an integrated circuit IC by combining thousands of transistors into a single chip VLSI began in the 1970s when complex ID: 617354
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What is VLSI?
Very-large-scale integration (VLSI) is the process of creating an integrated circuit (IC) by combining thousands of transistors into a single chip. VLSI began in the 1970s when complex semiconductor and communication technologies were being developed. The microprocessor is a VLSI device. Before the introduction of VLSI technology most ICs had a limited set of functions they could perform. An electronic circuit might consist of a CPU, ROM, RAM and other glue logic. VLSI lets IC designers add all of these into one chip.
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Very large-scale integration (VLSI) is the process of integrating or embedding hundreds of thousands of transistors on a single silicon semiconductor microchip. VLSI technology was conceived in the late 1970s when advanced level computer processor microchips were under development.VLSI is a successor to large-scale integration (LSI), medium-scale integration (MSI) and small-scale integration (SSI) technologies.Slide3
VLSI Technology
VLSI is one of the most widely used technologies for microchip processors, integrated circuits (IC) and component designing. It was initially designed to support hundreds of thousands of transistor gates on a microchip which, as of 2012, exceeded several billion. All of these transistors are remarkably integrated and embedded within a microchip that has shrunk over time but still has the capacity to hold enormous amounts of transistors.The first 1 mega byte RAM was built on top of VLSI design principles and included more than one million transistors on its microchip dye.Slide4
Integrated circuit classification
NameSignificationYearNumber of TransistorsNumber of Logic GatesSSIsmall-scale integration19641 to 101 to 12
MSI
medium-scale integration
1968
10 to 500
13 to 99
LSI
large-scale integration1971500 to 20,000100 to 9,999VLSIvery large-scale integration198020,000 to 1,000,00010,000 to 99,999ULSIultra-large-scale integration19841,000,000 and more100,000 and more
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Why VLSI?
Integration improves the designLower parasitic = higher speedLower power consumptionPhysically smallerIntegration reduces manufacturing cost - (almost) no manual assemblySlide6
VLSI advantages:
VLSI has many advantages-1. Reduces the Size of Circuits.2. Reduces the effective cost of the devices.3. Increases the Operating speed of circuits4. Requires less power than Discrete components.5. Higher Reliability6. Occupies a relatively smaller area.Slide7
VLSI Applications
VLSI is an implementation technology for electronic circuitry - analogue or digitalIt is concerned with forming a pattern of interconnected switches and gates on the surface of a crystalofsemiconductorMicroprocessorspersonal computersmicrocontrollersMemory - DRAM / SRAMSpecial Purpose Processors - ASICS (CD players, DSP applications)Optical SwitchesHas made highly sophisticated control systems mass-producable and therefore cheapSlide8
VLSI Applications
In today's world VLSI chips are widely used in various branches of Engineering like:1.Voice and Data Communication networks2.Digital Signal Processing3.Computers4.Commercial Electronics5.Automobiles6.Medicine and many more.Slide9
VLSI ChipsSlide10
Top 10 VLSI Companies in India
1 | Texas Instruments Corporate office – Dallas, United State | Establishment –1951 |Business – Semiconductor | Website – www.ti.com |Texas Instruments is world’s third largest semiconductor company and a chip producer for mobile phones. The company is among the top 10 semiconductor companies in India and its product offering includes analog electronics, calculators, integrated circuits and radio frequency identification. It was founded in year 1951 and headquartered in Dallas, United states.2 | Analog Device Inc.Corporate office – Norwood, USA | Establishment – 1965 |Business – Semiconductor | Website – www.analog.com |Analog Device Inc is a semiconductor design and manufacturing company which is a market leader in data conversion and signal technology. Analog device is founded in year 1965 and its design center is located in Australia, Canada, Israel, Japan, Scotland, Taiwan, Germany, UK, China, Scotland and India.Slide11
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Cypress Semiconductor Corporation Corporate office – San Jose, USA | Establishment – 1982 |Business – Semiconductor | Website – www.cypress.com |Cypress semiconductor is a semiconductor manufacturing and design company established in year 1982. The US based company has total 14 design centers and more than 40 sales offices located all across the globe. Its product offering includes capacitance sensing systems, Psoc, optical sensor and wireless solution.4 | Broadcom CorporationCorporate office – Irvine, USA | Establishment – 1991 |Business – Semiconductor | Website – www.broadcom.com |Broad corporation is rated among the top 10 semiconductor manufacturers in India; an American company which was established in 1991 by professor and student duo Henry Samueli and Henry T Nicholas. Its product portfolio includes Integrated circuits, cable converter boxes, wireless networks, cable modems, professors, Bluetooth, VIOP, GPS, server farms, digital subscriber line
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Cisco SystemsCorporate office – San Jose, USA | Establishment – 1984 |Business – Network Equipments | Website – www.cisco.com |Cisco Systems is a MNC and one of the leading design and manufacturer of networking equipment. Its major product offering includes Networking device, Optical networking, storage area networks, wireless, VOIP, IOS and NX OS software etc. It is headquartered in San Jose, USA and has employed more than 75000 people all across the globe.6 | Bit Mapper Integration Technologies Private LimitedCorporate office – Pune, Maharashtra | Establishment – 1985 |Business – Electronic Design | Website – www.bitmapper.com |Bit Mapper is a technology company offering electronic system design using PCB and FPGA design. The company is offering design solution to various sector such as defense, aerospace, telecommunication and software. It is a leading VLSI company in India and its expertise includes PCB design, Flexible circuits, Thermal analysis, ADC based board and many more.Slide13
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| Horizon SemiconductorsCorporate office – Bangalore, Karnataka | Establishment – 1815|Business – Semiconductor | Website – www.horizonsemi.com |Horizon Semiconductors is an integrated silicon solution provider and its product offering includes single chip cable, Satellite set-top box, dual channel HD channel, 2d & 3d graphics, Single chip Blu-ray, trans coder and encoder ICs. It is one among the top semiconductor companies in India.8 | Einfochips limitedCorporate office – Ahmadabad, Gujarat | Establishment – 1994 |Business – Semiconductor | Website – www.einfochips.com |Among the top 10 VLSI companies in India, Einfochips is one of the most trusted brands in product engineering and semiconductor service; and serves to Aerospace & defense, energy, healthcare, retail and software sector. It is headquartered in Ahmadabad, Gujarat.Slide14
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| Trident Tech Labs Corporate office – New Delhi, India | Establishment – 2000 |Business – Electronic Design | Website – www.tridenttechlabs.com |Established in year 2000, Trident Techlabs is a knowledge based technology organization which offers electronic design solution. The company is a leading computer aided engineering provider and reputed name in Very Large Scale Integration companies in India.10 | HCL technologies Corporate office – Noida, Uttar Pradesh | Establishment – 1991 |Business – IT and Software | Website – www.hcltech.com|HCL technologies is a software, KPO and IT service provider headquartered in Noida, Uttar Pradesh. The company has office in 26 countries worldwide to provide support and consultancy to industry verticals including defense & aviation industry, energy, power, software, manufacturing, semiconductor, retail etc. It has also well known name in VLSI companies in India and its engineering & Research division provides support to semiconductor industry.Slide15
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