Gigatron TTL microcomputer

[lz1tka]

Интересно 
8 битова машина без процесор на ttl чипове и необичаен дизайн на 6.25 МГц. Пълен проект и гербери за платката.

Изход -160х120 (64color)  VGA

https://gigatron.io/?page_id=390
https://hackaday.io/project/20781/logs
https://github.com/kervinck/gigatron-rom


The components used are:
6x 74163 (National Semiconductor, 1972)
4x 74157 (Stewart Wagner, 1975)
4x 74153 (Fairchild, 1976)
2x 74283 (Fairchild, 1978)
1x 74S240 (Signtics, 1979)
2x 74S153 (National Semiconductor, 1980)
2x 74S153 (Signetics, 1981)
2x 74S138 (Fairchild, 1982)
3x 54LS377 (Texas Instruments, 1982)
1x 74LS273 (Motorola, 1983)
1x 74LS244 (Signetics, 1984)
1x 74LS153 (Raytheon, 1985)
1x 74LS244 (Signetics, 1986)
1x 74LS32 (Motorola, 1986)
1x 74LS139 (Fairchild, 1986)
1x 27C1024 (ST Microelectronics, 1988)
2x 74LS273 (Texas Instruments, 1989)
1x 62256 (Micron Technology, 1991)