Ken Shirriff's blog
Computer history, restoring vintage computers, IC reverse engineering, and whatever
Two dies in one package: Teardown of a vintage ROM with double the storage
›
In 1971, semiconductor memory was still a new development so chips couldn't hold a lot of data. To double the storage capacity, IBM ...
3 comments:
Reverse-engineering the standard-cell logic inside a vintage IBM chip
›
Integrated circuits are often built from standard-cell logic, constructed from standardized building blocks such as NAND gates. Since I...
5 comments:
Germanium transistors: logic circuits in the IBM 1401 computer
›
How did computers implement logic gates in the 1950s? Computers were moving into the transistor age, but transistors were expensive so cir...
6 comments:
‹
›
Home
View web version