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PRELIMINARY DATA SHEET
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2GB DDR2 SDRAM SO-DIMM
EBE21UE8ABDA (256M words × 64 bits, 2 Ranks)
Specifications
• Density: 2GB • Organization 256M words × 64 bits, 2 ranks • Mounting 16 pieces of 1G bits DDR2 SDRAM with sFBGA • Package: 200-pin socket type small outline dual in line memory module (SO-DIMM) PCB height: 30.0mm Lead pitch: 0.6mm Lead-free (RoHS compliant) • Power supply: VDD = 1.8V ± 0.1V • Data rate: 667Mbps/533Mbps (max.) • Eight internal banks for concurrent operation (components) • Interface: SSTL_18 • Burst lengths (BL): 4, 8 • /CAS Latency (CL): 3, 4, 5 • Precharge: auto precharge option for each burst access • Refresh: auto-refresh, self-refresh • Refresh cycles: 8192 cycles/64ms Average refresh period 7.8µs at 0°C ≤ TC ≤ +85°C 3.