K7A803609B K7A801809B 256Kx36 & 512Kx18 Synchrono.
Samsung semiconductor
K7A803609B - 256Kx36 & 512Kx18-Bit Synchronous Pipelined Burst SRAM
K7A803609B K7A801809B 256Kx36 & 512Kx18 Synchronous SRAM 8Mb Sync. Pipelined Burst SRAM Specification 100 TQFP with Pb & Pb-Free (RoHS compliant) IN.