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MT41J256M4 参数 Datasheet PDF下载

MT41J256M4图片预览
型号: MT41J256M4
PDF下载: 下载PDF文件 查看货源
内容描述: DDR3 SDRAM MT41J256M4 â ????梅格32 ×4× 8银行MT41J128M8 â ????梅格16 ×8× 8银行MT41J64M16 â ???? 8梅格×16× 8银行 [DDR3 SDRAM MT41J256M4 – 32 Meg x 4 x 8 banks MT41J128M8 – 16 Meg x 8 x 8 banks MT41J64M16 – 8 Meg x 16 x 8 banks]
分类和应用: 动态存储器双倍数据速率
文件页数/大小: 214 页 / 2938 K
品牌: MICRON [ MICRON TECHNOLOGY ]
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Figure 91: WRITE (BC4 OTF) to READ (BC4 OTF)  
T0  
T1  
T2  
T3  
T4  
T5  
T6  
T7  
T8  
T9  
T10  
T11  
Tn  
CK#  
CK  
Command1  
WRITE  
NOP  
NOP  
NOP  
NOP  
NOP  
NOP  
NOP  
NOP  
NOP  
NOP  
NOP  
READ  
tWTR2  
tBL = 4 clocks  
Address3  
Valid  
Valid  
tWPRE  
tWPST  
DQS, DQS#  
DQ4  
DI  
n
DI  
DI  
DI  
n + 3  
n + 1  
n + 2  
WL = 5  
RL = 5  
Indicates break  
in time scale  
Transitioning Data  
Don’t Care  
1. NOP commands are shown for ease of illustration; other commands may be valid at these times.  
2. tWTR controls the WRITE-to-READ delay to the same device and starts after tBL.  
Notes:  
3. The BC4 OTF setting is activated by MR0[1:0] = 01 and A12 = 0 during the WRITE command at T0 and the READ  
command at Tn.  
4. DI n = data-in for column n.  
5. BC4, RL = 5 (AL = 0, CL = 5), WL = 5 (AL = 0, CWL = 5).  
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