Both Faggin and Hoff wrote back, Faggin with a general offer of advice, and Hoff with software for a 4004-based video game design that Intel pitched to a potential customer.In late July of 2005 I flew to California to meet with Federico Faggin and Rachel Stewart at the Intel archives. Within a month, they had crafted an instruction-level simulator of the 4004 as well as simulated Busicom hardware, and by January 2006, they had a completely working simulation of the Busicom 141-PF printing calculator.Around the same time I started looking for vintage software to run on the giant 4004 replica. It was not nearly as famous as the 8080, and its 8-bit progeny, but my late step-father, Joe Robb, worked for Intel in the early 1970's, and I still remember when brought home some MCS-4 data sheets.
The first microprocessor that came to mind was the Intel 4004. Faggin picked up three large engineering drawings on vullum, a translucent plastic sheeting, unrolled them one-by-one, and declared within 30 seconds, "Yes.
We would have to find another source.Knowing that robotic "pick-and-place" machines were now the standard way of assembling electronics, and made the whole idea practical to produce, I started thinking.
Up to that time semiconductors and integrated circuits were built for specific purposes. What could I build out of this "retro," one-gate-per-chip technology? Besides, reproducing a commercial microprocessor, rather than re-inventing my own, would allow me to use existing software and existing manuals, data sheets, wisdom of the ages, etc.
At this writing, Intel has agreed to license these documents for non-commercial use.During this research spree I also learned that the Intel Archives and the Intel Museum were somehow connected.
$6.50 shipping. I was even starting to wonder if there were any schematics to be found, having read interviews that suggested that no complete logic diagram was ever drawn of the 4004. The 4004 provided a new tool to the world.
Get the best deals on 4004 cpu when you shop the largest online selection at eBay.com. Shop with confidence. After some struggles with the unusual voltage levels used by the 4001 ROMs, we succeeded in extracting a significant fraction of the Busicom software from the ROMs Faggin had found in his basement. The 4004 was created by Intel with Ted Hoff and Federico Faggin as the lead designers and Stan Mazor and Masatoshi Shima as co-contributors. Search for P4004 (P = plastic package), D4004 (D = brown ceramic), and C4004 (C = white ceramic). The Intel 4004 is the world's first micro- processor.
The Intel 4004 is widely considered to be the world's first microprocessor.
Rachel and I looked at each other approvingly, as Faggin adds, "See here? I wrote to Federico Faggin and to Marcian "Ted" Hoff, two of the four co-inventors of the 4004 (I was never able to contact the other inventors, Busicom's Masatoshi Shima or Intel's Stan Mazor). This helped me turn a notion into a plan: I wrote to Tracey Mazur, the curator of the Intel Museum, and Rachel Stewart, Intel's corporate archivist, with a proposition: if you give me access to internal 4004 engineering documents, I will build you a giant, functioning replica of the 4004 suitable for a museum exhibit.A few weeks later I got word from Tracey Mazur that Intel's legal department would allow us access to the 4004 engineering documents, and Rachel Stewart was offering encouraging news about her research.After Fred returned to Boston, I immediately sent the ROM contents to Brian and Barry, who used Fred's wiring diagram along with printed circuit board photographs I received from Christian Bassow, a German chip collector.
This meant I'd have to design my own, or... go back in history and build a replica of a commercial micrprocessor. The white ceramic packages sell for hundreds of dollars, but the other packages are more affordable. El número y el importe de las pujas pueden no estar totalmente actualizados.
After all, what is the point of keeping historic technology locked up in a vault once its only value is historical? The Intel 4004 was the world's first microprocessor.
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