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HYB18H512321AF-12 参数 Datasheet PDF下载

HYB18H512321AF-12图片预览
型号: HYB18H512321AF-12
PDF下载: 下载PDF文件 查看货源
内容描述: [Synchronous Graphics RAM, 16MX32, 0.22ns, CMOS, PBGA136, 11 X 14 MM, GREEN, PLASTIC, MO-207IDR-Z, TFBGA-136]
分类和应用: 时钟动态存储器内存集成电路
文件页数/大小: 100 页 / 1884 K
品牌: QIMONDA [ QIMONDA AG ]
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HYB18H512321AF  
512-Mbit GDDR3  
Functional Description  
tCH  
tCL  
tCK  
tHP  
CLK#  
CLK  
tDQSCK  
RDQS  
Preamble  
tRPRE  
Postamble  
tRPST  
DQ (first data valid)  
DQ (last data valid)  
D0  
D1  
D2  
D3  
D0  
D1  
D2  
D3  
tAC  
All DQs collectively  
D0  
tDQSQ  
tQH  
D1  
D2  
tDQSQ  
D3  
data  
valid  
window  
Don't Care  
Hi-Z : Not driven  
by DDRIII SGRAM  
tQHS  
tLZ  
tHZ  
Figure 37 Basic Read Burst Timing  
1. The GDDR3 SGRAM switches off the DQ  
2. The GDDR3 SGRAM drives the data bus HIGH one  
cycle after the last data driven on the bus before  
switching the termination on again.  
terminations one cycle before data appears on the  
bus and drives the data bus HIGH.  
Data Sheet  
56  
Rev. 1.73, 2005-08  
05122004-B1L1-JEN8  
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