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双倍数据传输速率同步动态随机存取内存

The W9425G6KH is a 256M DDR SDRAM and speed involving -4/-5/-5I/-5A

Density 256Mb Status Mass Production
Vcc 2.5V±0.2V
2.4V~2.7V
Frequency 200MHz
Package TSOP II 66 Tempture Range C-temp, I-temp, Automotive
Feature List 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
Datasheet 线上购买

Technical Documentation

Resources

Product Brief

Specialty DRAM and Mobile DRAM

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  • File Type:pdf
  • Updated:30/05/2015
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