Mikron 1663RU1 16Mbit SRAM chip. 90nm technology. Die size 5973x6418µm.
ZeptoBars
CC BY 3.0
<a rel="nofollow" class="external free" href="http://zeptobars.com/en/read/Mikron-1663RU1-16Mibit-SRAM-russia-zelenograd">http://zeptobars.com/en/read/Mikron-1663RU1-16Mibit-SRAM-russia-zelenograd</a>