K7S1636U4C K7S1618U4C 512Kx36 & 1Mx18 QDRTM II+ b.
Samsung semiconductor
K7S1618U4C - 512Kx36 & 1Mx18 QDR II b4 SRAM
K7S1636U4C K7S1618U4C 512Kx36 & 1Mx18 QDRTM II+ b4 SRAM 18Mb QDRII+ SRAM Specification 165 FBGA with Pb & Pb-Free (RoHS compliant) INFORMATION IN T.