Source: https://web.archive.org/web/20210525045534/https://twitter.com/Siliconinsid/status/1392183471062323209
Text: AMD P2101 (1977)
256x4 NMOS SRAM. A clone of the intel P2101, this memory chip can store the equivalent of less than half a tweet. At $15 a piece in 1974 ($79 today), memory was not the commodity it is today.

Package

Die