The W9725G6KB is a 256M bits DDR2 SDRAM, and speed involving -18, -25, 25I and -3 .
| Density | 256Mb | Status | Mass Production |
| Vcc | 1.8V±0.1V | Frequency | 333 / 400 / 533 MHz |
| Package | WBGA 84 | Tempture Range | C-temp, I-temp, Automotive |
| Feature List | Double Data Rate architecture: two data transfers per clock cycle CAS Latency: 3, 4, 5, 6 and 7 Burst Length: 4 and 8 Bi-directional, differential data strobes (DQS and /DQS ) are transmitted / received with data Edge-aligned with Read data and center-aligned with Write data DLL aligns DQ and DQS transitions with clock Differential clock inputs (CLK and /CLK) Data masks (DM) for write data Commands entered on each positive CLK edge, data and data mask are referenced to both edges of /DQS Posted /CAS programmable additive latency supported to make command and data bus efficiency Read Latency = Additive Latency plus CAS Latency (RL = AL + CL) Off-Chip-Driver impedance adjustment (OCD) and On-Die-Termination (ODT) for better signal quality Auto-precharge operation for read and write bursts Auto Refresh and Self Refresh modes Precharged Power Down and Active Power Down Write Data Mask Write Latency = Read Latency - 1 (WL = RL - 1) Interface: SSTL_18 |
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