W9725G6KB

双倍数据传输速率同步动态随机存取内存-2nd generation(第二代); •Power Supply: VDD, VDDQ = 1.8 V ± 0.1 V\n• Double Data Rate architecture: two data transfers per clock cycle \n• CAS Latency: 3, 4, 5, 6 and 7 \n• Burst Length: 4 and 8 \n• Bi-directional, differential data strobes (DQS and /DQS ) are transmitted / received with data\n• Edge-aligned with Read data and center-aligned with Write data \n• DLL aligns DQ and DQS transitions with clock\n• Differential clock inputs (CLK and /CLK)\n• Data masks (DM) for write data \n• Commands entered on each positive CLK edge, data and data mask are referenced to both edges of /DQS \n• Posted /CAS programmable additive latency supported to make command and data bus efficiency\n• Read Latency = Additive Latency plus CAS Latency (RL = AL + CL) \n• Off-Chip-Driver impedance adjustment (OCD) and On-Die-Termination (ODT) for better signal quality\n• Auto-precharge operation for read and write bursts\n• Auto Refresh and Self Refresh modes \n• Precharged Power Down and Active Power Down \n• Write Data Mask\n• Write Latency = Read Latency - 1 (WL = RL - 1) \n• Interface: SSTL_18\n• Package:WBGA 84 Ball (8X12.5 mm2), RoHS compliant;

The W9725G6KB is a 256M bits DDR2 SDRAM, and speed involving -18, -25, 25I and -3\n

W9725G6KB-18

DLL aligns DQ and DQS transitions with clock, Data masks (DM) for write data, Write Data Mask

W9725G6KB-25

DLL aligns DQ and DQS transitions with clock, Data masks (DM) for write data, Write Data Mask

W9725G6KB25A

DLL aligns DQ and DQS transitions with clock, Data masks (DM) for write data, Write Data Mask

W9725G6KB25I

DLL aligns DQ and DQS transitions with clock, Data masks (DM) for write data, Write Data Mask

W9725G6KB25I-TR

4M X 4 BANKS X 16 BIT DDR2 SDRAM

W9725G6KB25K

DLL aligns DQ and DQS transitions with clock, Data masks (DM) for write data, Write Data Mask

W9725G6KB-3

DLL aligns DQ and DQS transitions with clock, Data masks (DM) for write data, Write Data Mask

W9725G6KB-18 TR

Package：84-TFBGA；包装：托盘托盘 类别：集成电路（IC） 存储器 描述：IC DRAM 256MBIT PARALLEL 84WBGA

ETC

W9725G6KB-25

Package：84-TFBGA；包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 类别：集成电路（IC） 存储器 描述：IC DRAM 256MBIT PARALLEL 84WBGA

ETC