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In 1968, Shima worked for Busicom in Japan, and did the logic design for a specialized CPU to be translated into three-chip custom chips. In 1969, he worked with Intel 's Ted Hoff and Stanley Mazor to reduce the three-chip Busicom proposal into a one-chip architecture.
May 17, 1994 · Shima received a bachelor's degree in organic chemistry from Tohoku University, and from there began work at Busicom, moving from their business software division to hardware. By 1968 he was working to combine software and hardware concerns in the development of the desktop calculator.
- Path to The 4004
- Making The 4004 et Al
- The Software Problem
- To Sell Or Not to Sell
- Contenders For The Title
We pick up the tale with Robert Noyce, who had co-invented the IC while at Fairchild Semiconductor. In July 1968 he left Fairchild to co-found Intel for the purpose of manufacturing semiconductor memory chips. While Intel was still a new startup living off of their initial $3 million in financing, and before they had a semiconductor memory product,...
In April 1970, Noyce hired Federico Faggin from Fairchild in order to do the chip design. At that time the block diagram and basic specification were done and included the CPU architecture and instruction set. However, the chip’s logic design and layout were supposed to have started in October 1969 and samples for all four chips were due by July 19...
Now that Intel had a microprocessor, they needed someone to write software. At the time, programmers saw prestige in working with a big computer. It was difficult enticing them to stay and work on a small microprocessor. One solution was to trade hardware, a sim board for example, to colleges in exchange for writing some support software. However, ...
Intel’s market was big computer companies and there was concern within Intel that computer companies would see Intel as a competitor instead of a supplier of memory chips. There was also a question about how they would support the product. Some at Intel also wondered whether or not the 4004 could be used for more than just a calculator. But at one ...
Most inventions come about when the circumstances are right. This usually means the inventors weren’t the only ones who thought of it or who were working on it. In October 1968, Lee Boysel and a few others left Fairchild Semiconductor to form Four-Phase Systems for the purpose of making computers. They showed their system at the Fall Joint Computer...
Sep 27, 2024 · Under Sistani, the 61-year-old company bought a telehealth platform that connected patients with doctors who can prescribe weight-loss and diabetes drugs, including Ozempic and Wegovy,...
In 1968, Shima worked for Busicom in Japan, and did the logic design for a specialized CPU to be translated into three-chip custom chips. In 1969, he worked with Intel 's Ted Hoff and Stanley Mazor to reduce the three-chip Busicom proposal into a one-chip architecture.
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.
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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.
