Intel 8080
The Intel 8080 is an eight-bit microprocessor designed and manufactured by Intel in the mid 1970s.[1]
| specification | value |
|---|---|
| number of transistors | 6,000 transistor on die |
| clock speed | 2 megahertz |
| instruction set | 75 instructions |
| Registers | seven eight bit registers.[2] |
| introduction date | January 4, 1974 |
| initial cost | $360 each |
Like rival microprocessors like the Motorola 6800, the Intel 8080 used registers that were only eight bits wide.
Zilog later produced a object compatible replacement, the Z80, with some extended features.
The Altair, Imsai and Tandy Radio Shack TRS80 microcomputer was built around the intel 8080.[3]
The 8080 is the lineal ancestor of intel's later designs, the 8088, 8086, 186, 286, 386, 486 and all of intel's Pentium processors.[2] The 8080 was the lineal descendant of the Intel 4004 and Intel 8008 microprocessors.[3]
Later integrated circuits intended for embedded computer applications, like the Intel 8052, incorporated the intel 8080 architecture, memory, and what had previously been various support chips on a single chip, allowing a "computer on a chip".[1] The 8052 was embedded in non-computer devices, like microwave ovens, and electronic fuel ignitions.
References
- ↑ 1.0 1.1 "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.
- ↑ 2.0 2.1 "A Brief Summary of the first 20 years of Microprocessor Evolution (1971 -1993)". University of Bolton. http://www.ami.ac.uk/courses/ami4655_micros/u01/micro01evol.asp. Retrieved 2008-03-01.
- ↑ 3.0 3.1 "Microprocessor hall of fame". Intel Museum. http://www.intel.com/museum/online/hist_micro/hof/index.htm. Retrieved 2008-04-15.
