Winbond W949D2DBJX5I, SDRAM 512Mbit Surface Mount, 200MHz, 1.7 V to 1.95 V, 90-Pin VFBGA

VDD = 1.7∼1.95V VDDQ = 1.7∼1.95V Data width: x16 / x32 Clock rate: 200MHz (-5),166MHz (-6) Standard Self Refresh Mode Partial Array Self-Refresh(PASR) Auto Temperature Compensated Self Refresh (ATCSR) Power Down Mode Deep Power Down Mode (DPD Mode) Programmable output buffer driver strength Four internal banks for concurrent operation Data mask (DM) for write data Clock Stop capability during idle periods Auto Pre-charge option for each burst access Double data rate for data output Differential clock inputs (CK and CK) Bidirectional, data strobe (DQS) CAS Latency: 2 and 3 Burst Length: 2, 4, 8 and 16 Burst Type: Sequential or Interleave 8K refresh cycles/64 mS Interface: LVCMOS compatible Support package: 60 balls VFBGA (x16) 90 balls VFBGA (x32) Operating Temperature Range Extended: -25°C ≤ TCASE ≤ 85°C Industrial: -40°C ≤ TCASE ≤ 85°CThis is a 512Mb Low Power DDR SDRAM organized as 2M words x 4 banks x 32bits.Burst Type: Sequential or Interleave Standard Self Refresh Mode PASR, ATCSR, Power Down Mode、DPD Programmable output buffer driver strength Four internal banks for concurrent operation Bidirectional, data strobe (DQS) is transmitted or received with data, to be used in capturing data at the receiver