K7N803609B K7N801809B 256Kx36 & 512Kx18 Pipelined.
Samsung semiconductor
K7N801809B - 256K x 36 & 512K x 18 Pipelined NtRAM
K7N803609B K7N801809B 256Kx36 & 512Kx18 Pipelined NtRAMTM 8Mb NtRAMTM Specification 100 TQFP with Pb & Pb-Free (RoHS compliant) INFORMATION IN THIS.