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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  
Pin Configuration  
2.5  
State Diagram and Truth Tables  
2.5.1  
State Diagram for One Activated Bank  
The following diagram shows all possible states and transitions for one activated bank. The other 7 banks of the  
Graphics SDRAM are assumed to be in idle state.  
single bank  
WR  
RD  
ACTIVE  
ACT  
PRE  
WR/A  
RD/A  
PDEN  
PDEX  
MRS  
EMRS  
PDEN  
PDEX  
active  
IDLE  
AUTO  
POWER DOWN  
REFRESH  
precharge  
SREX  
SREN  
SELF  
REFRESH  
all banks  
Figure 3  
State diagram for one bank  
Note:MRS, EMRS, AUTO REFRESH, SELF REFRESH and precharge POWER DOWN are only allowed if all  
8 banks are idle.  
Data Sheet  
20  
Rev. 1.73, 2005-08  
05122004-B1L1-JEN8  
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