feb 19, 1971 - Intel 4001
Description:
"4001 was a state-of-the-art 2048-b metal-mask-programmable read-only memory (ROM) with four metal-mask-programmable I/O lines."https://ieeexplore.ieee.org/document/4776530/
Added to timeline:
Date:
feb 19, 1971
Now
~ 55 years ago