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Very-large-scale integration (VLSI) is the process of creating an integrated circuit (IC) by combining millions or billions of MOS transistors onto a single chip. VLSI began in the 1970s when MOS integrated circuit (metal oxide semiconductor) chips were developed and then widely adopted, enabling complex semiconductor and telecommunications technologies.
The Mead–Conway VLSI chip design revolution, or Mead and Conway revolution, was a very-large-scale integration design revolution starting in 1978 which resulted in a worldwide restructuring of academic materials in computer science and electrical engineering education, and was paramount for the development of industries based on the application of microelectronics.
The VLSI Project was a DARPA-program initiated by Robert Kahn in 1978 [1] that provided research funding to a wide variety of university-based teams in an effort to improve the state of the art in microprocessor design, then known as Very Large Scale Integration (VLSI).
To reflect further growth of the complexity, the term ULSI that stands for "ultra-large-scale integration" was proposed for chips of more than 1 million transistors. [119] Wafer-scale integration (WSI) is a means of building very large integrated circuits that uses an entire silicon wafer to produce a single "super-chip". Through a combination ...
The 4004 was the first significant example of large-scale integration, showcasing the superiority of the MOS silicon gate technology (SGT). Compared to the incumbent technology, the SGT integrated on the same chip area embodied twice the number of transistors with five times the operating speed.
Wafer-scale integration (WSI) is a system of building very-large integrated circuit (commonly called a "chip") networks from an entire silicon wafer to produce a single "super-chip". Combining large size and reduced packaging, WSI was expected to lead to dramatically reduced costs for some systems, notably massively parallel supercomputers but ...
While working at Bell Labs in the early 1980s, Pakistani engineer Asad Abidi worked on the development of sub-micron MOSFET (metal–oxide–semiconductor field-effect transistor) VLSI (very large-scale integration) technology at the Advanced LSI Development Lab, along with Marty Lepselter, George E. Smith, and Harry Bol.
MOS chips further increased in complexity at a rate predicted by Moore's law, leading to large-scale integration (LSI) with hundreds of MOSFETs on a chip by the late 1960s. [24] MOS technology enabled the integration of more than 10,000 transistors on a single LSI chip by the early 1970s, [38] before later enabling very large-scale integration ...