K7R323684M K7R321884M K7R320884M Preliminary 1Mx3.
Samsung semiconductor
K7R320884M - 1M x 36 & 2M x 18 QDR II b4 SRAM
K7R323684M K7R321884M K7R320884M Preliminary 1Mx36 & 2Mx18 & 4Mx8 QDRTM II b4 SRAM Document Title 1Mx36-bit, 2Mx18-bit, 4Mx8-bit QDRTM II b4 SRAM .