SSSS7777KKKK1111666613318668UUUU2222MMMM 551122KK.
S7K1636U2M - 512Kx36 & 1Mx18 DDRII+ CIO BL2 SRAM
SSSS7777KKKK1111666613318668UUUU2222MMMM 551122KKxx3366&&11MMxx1188DDDDRRIIII++CCIIOOBBLL22SSRRAAMM 18Mb DDRII+ CIO BL2 SRAM Specification (2.5 Cloc.