From WikiChip
2.5 µm lithography process

The 2.5 μm lithography process was the semiconductor process technology used by some semiconductor companies during the late 1970s to early 1980s. This process was later superseded by 2 µm, 1.5 µm, and 1 µm processes.

2.5 μm microcontrollers[edit]

This list is incomplete; you can help by expanding it.

Text document with shapes.svg This article is still a stub and needs your attention. You can help improve this article by editing this page and adding the missing information.