At Fairchild Semiconductor, and later at Intel, physicist and engineer Federico Faggin had been working on fundamental transistor and semiconductor manufacturing technology. He also developed the basic design methodolo… See more

The programming model and register set of the Z80 are fairly conventional, ultimately based on the register structure of the Datapoint 2200. The Z80 was designed as an extension of the Intel 8080, created by the same e… See more

Mostek, which produced the first Z80 for Zilog, offered it as second-source as MK3880. SGS-Thomson (now STMicroelectronics) was a second-source, too, with their Z8400. Sharp and NEC developed … See more