SS77RR664433668822MM SS77RR664411888822MM SS77RR66.
S7R641882M - 2Mx36 & 4Mx18 & 8Mx9 Quadruple-II BL2 SRAM
SS77RR664433668822MM SS77RR664411888822MM SS77RR664400998822MM 22MMxx3366 && 44MMxx1188 && 88MMxx99 QQuuaaddrruuppllee--IIII BBLL22 SSRRAAMM 72Mb Qu.