Private company
Monolithic Memories
American semiconductor company (1969–1987)
Monolithic Memories, Inc. (MMI) was an American semiconductor company which produced bipolar PROMs, programmable logic devices, and logic circuits (including 7400 series TTL). A team of MMI engineers, under the direction of Ze'ev Drori and headed by John Birkner and H. T. Chua, invented the class of devices known as programmable array logic (PAL).2 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
See how the biggest companies compare on our leaderboards

Monolithic Memories, Inc. (MMI) was an American semiconductor company which produced bipolar PROMs, programmable logic devices, and logic circuits (including 7400 series TTL).2
Links
- WikipediaMonolithic Memories
- More imagesWikimedia Commons
- WikidataQ908032
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1WikidataMonolithic Memories on Wikidata
- 2WikipediaMonolithic Memories on Wikipedia
- 3