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HYB18T512400B2FL-25F 参数 Datasheet PDF下载

HYB18T512400B2FL-25F图片预览
型号: HYB18T512400B2FL-25F
PDF下载: 下载PDF文件 查看货源
内容描述: [DDR DRAM, 128MX4, 0.4ns, CMOS, PBGA60, GREEN, PLASTIC, TFBGA-60]
分类和应用: 时钟动态存储器双倍数据速率内存集成电路
文件页数/大小: 66 页 / 3789 K
品牌: QIMONDA [ QIMONDA AG ]
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Internet Data Sheet  
HY[B/I]18T512[40/80/16]0B2[C/F](L)  
512-Mbit Double-Data-Rate-Two SDRAM  
3.4  
Extended Mode Register EMR(3)  
The Extended Mode Register EMR(3) is reserved for future use and all bits except BA0 and BA1 must be programmed to 0  
when setting the mode register during initialization.  
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TABLE 14  
EMR(3) Programming Extended Mode Register Definition, BA2:0=011B  
Field  
Bits  
Type1)  
Description  
BA2  
16  
reg.addr  
Bank Address 2  
Note: BA2 is not available on 256Mbit and 512Mbit components  
0B  
BA2 Bank Address  
BA1  
BA0  
A
15  
Bank Adress 1  
1B  
BA1 Bank Address  
14  
Bank Adress 0  
1B  
BA0 Bank Address  
[13:0]  
w
Address Bus 13:0  
Note: A13 is not available for 256 Mbit and x16 512 Mbit configuration  
00000000000000BA[13:0] Address bits  
1) w = write only  
Rev. 1.40, 2008-03  
25  
10062006-YPTZ-CDR7  
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