Intel 4004
From WikiAlpha
The Intel 4004 is an early single chip computer chip, from 1971, and a lineal ancestor of the Pentium family of computer chips.[1][2][3]
specification | value |
---|---|
number of transistors | 2,300 transistor on die[1][2] |
clock speed | 108 hertz[2], 740 hertz[1] |
bus speed | 108 hertz[2] |
instruction set | 46 instructions[1] |
Registers | 16 4 bit registers or eight bit registers.[1] |
introduction date | November 1971[2] |
memory | 1k data memory, 4k program memory[1] |
address space | 4k[1] |
transistor size | 10 micron[2] |
The computer had separate data and memory spaces. The maximum addressable memory was 4 kilobytes.[1]
According to the History of Computing website the chip "it is widely considered to be the world's first commercial single-chip microprocessor."[1]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 "The Industrial Era: 1974 - 1975". History of Computing. Archived from the original on 2021-01-05. https://web.archive.org/web/20210105083854/http://www.thocp.net/timeline/1974.htm. Retrieved 2008-04-15.mirror
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 "Microprocessor quick reference guide: Intel486™ Processors and Earlier". Intel Museum. http://www.intel.com/pressroom/kits/quickreffam.htm?wapkw=8008. Retrieved 2012-06-06. mirror
- ↑ Andrew Danowitz; Kyle Kelley; James Mao; John P. Stevenson; Mark Horowitz (2012). "With this open database, you can mine microprocessor trends over the past 40 years.". Association for Computing Machinery. doi:10.1145/2181796.2181798. Archived from the original on 2021-03-26. https://web.archive.org/web/20210326042613/https://dl.acm.org/doi/pdf/10.1145/2181796.2181798. Retrieved 2021-03-26. "In November 1971, Intel introduced the world’s first single-chip microprocessor, the Intel 4004. It had 2,300 transistors, ran at a clock speed of up to 740 KHz, and delivered 60,000 instructions per second while dissipating 0.5 watts."