EDD5108AGTA-LI

PRELIMINARY DATA SHEET 512M bits DDR SDRAM WTR (Wide Temperature Range) EDD5108AGTA-LI (64M words × 8 bits) EDD5116AGTA-LI (32M words × 16 bits) Specifications Density: 512M bits Organization ⎯ 16M words × 8 bits × 4 banks (EDD5108AGTA) ⎯ 8M words × 16 bits × 4 banks (EDD5116AGTA) Package: 66-pin plastic TSOP (II) ⎯ Lead-free (RoHS compliant) Power supply: VDD, VDDQ = 2.5V ± 0.2V Data rate: 400Mbps/333Mbps/266Mbps (max.) Four internal banks for concurrent operation Interface: SSTL_2 Burst lengths (BL): 2, 4, 8 Burst type (BT): ⎯ Sequential (2, 4, 8) ⎯ Interleave (2, 4, 8) /CAS Latency (CL): 2, 2.5, 3 Precharge: auto precharge option for each burst access Driver strength: normal/weak Refresh: auto-refresh, self-refresh Refresh cycles: 8192 cycles/64ms ⎯ Average refresh period: 7.8μs Operating ambient temperature range ⎯ TA = –40°C to +85°C www.DataSheet4U.com Features Double-data-rate architecture; two data transfers per clock cycle The high-speed data transfer is realized by the 2 bits prefetch pipelined architecture Bi-directional data strobe (DQS) is transmitted /received with data for capturing data at the receiver Data inputs, outputs, and DM are synchronized with DQS DQS is edge-aligned with data for READs; centeraligned with data for WRITEs Differential clock inputs (CK and /CK) DLL aligns DQ and DQS transitions with CK transitions Commands entered on each positive CK edge; data and data mask referenced to both edges of DQ...