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Shima began work on a general-purpose LSI chipset in late 1968, and Busicom then approached the American companies Mostek and Intel for converting the logic into MOS circuits and the chip's layout for manufacturing.
May 17, 1994 · In 1976 he left Intel to work at Zilog on the Z80. Finally, in the 1980s, after the Z8000 entered the market, Shima moved back to Japan where he established a research center for Intel.
Aug 9, 2024 · In 1969, Shima worked at Japanese calculator manufacturer Busicom when it accepted a proposal by Intel to implement the logic for their new calculator in large-scale integration (LSI) logic.
- Early Life and Career
- Intel 4004
- Intel 8080 to Zilog Z8000
- Prizes
He studied organic chemistry at Tohoku University in Sendai, Japan. With poor prospects for employment in the field of chemistry, he went to work for Busicom, a business calculatormanufacturer, joining in Spring 1967. There, he learned about software and digital logic design, from 1967 to 1968.
After Busicom decided to use large-scale integration (LSI) circuits in their calculator products, they began work on what later became known as the "Busicom Project", a chipset for the Busicom 141-PF calculator that led to the creation of the first microprocessor, the Intel 4004. In April 1968, Shima was asked to design the chipset and software for...
After the 4004, Intel designed the 8008 (architecture by Computer Terminal Corporation, design by Federico Faggin and Hal Feeney). Shima then joined Intel in 1972. He was employed to implement the transistor-level logic of Intel's next microprocessor, which became the Intel 8080 (conception and architecture by Federico Faggin), released in 1974. Sh...
1997 Kyoto Prize(Advanced Technology)2009 Fellow of the Computer History Museum"for his work as part of the team the developed that Intel 4004, the world's first commercial microprocessor."Shima began work on a general-purpose LSI chipset in late 1968, and Busicom then approached the American companies Mostek and Intel for converting the logic into MOS circuits and the chip's layout for manufacturing.
Jul 18, 2008 · Dr Masatoshi Shima was one of the Busicom team which went over to Santa Clara in June 1969 to commission Intel to produce a set of chips for a calculator. Shima wrote the functional description of the 4004 chip-set’s CPU, and designed its logic.
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Date of Birth: 1943 August 22. Gender: Male. Noted For: Co-designer of the world's first microprocessor, the Intel 4004. Category of Achievement: Computer Scientist - Hardware.
