Winbond W9425G6KH-5I, SDRAM 256Mbit Surface Mount, 200MHz, 2.3 V to 2.7 V, 66-Pin TSOP / 1882832

The W9425G6KH is a 256M DDR SDRAM and speed involving -4/-5/-5I/-5A.Up to 250 MHz Clock Frequency Double Data Rate architecture, two data transfers per clock cycle Differential clock inputs (CLK and /CLK) DQS is edge-aligned with data for Read, center-aligned with data for Write CAS Latency: 2, 2.5, and 3 Burst Length: 2, 4 and 8 Auto Refresh and Self Refresh Precharged Power Down and Active Power Down Write Data Mask Write Latency = 1 7.8μS refresh interval (8K/64 mS refresh) Maximum burst refresh cycle: 8 Interface: SSTL_2