參數(shù)資料
型號: HYB25D256800AT-7
英文描述: ?256Mbit (32Mx8) DDR266A (2-3-3)?
中文描述: ?的256Mbit(32Mx8)DDR266A(2-3-3)?
文件頁數(shù): 10/76頁
文件大?。?/td> 1218K
代理商: HYB25D256800AT-7
HYB25D128400/800/160AT(L)
128-Mbit Double Data Rate SDRAM
Page 10 of 76
2002-05-06
Mode Register Operation
A8
A7
A6
A5
A4
CAS Latency
A3
A2
A1
A0
Burst Length
BT
Address Bus
CAS Latency
A6
0
0
0
0
1
1
A5
0
0
1
1
0
0
A4
0
1
0
1
0
1
Latency
Reserved
Reserved
2
3 (optional)
Reserved
Reserved (1.5
**
)
1
1
1
1
0
1
2.5
Reserved
Burst Length
A2
0
0
0
0
1
1
A1
0
0
1
1
0
0
A0
0
1
0
1
0
1
Burst Length
Reserved
2
4
8
Reserved
Reserved
1
1
1
1
0
1
Reserved
Reserved
BA1
A11 A10
A
9
0
*
Mode Register
Operating Mode
*
BA0 and BA1 must be 0, 0 to select the Mode Register
(vs. the
E
xtended Mode Register).
**
will be supported in future versions of this product
A11 - A
9
A8
A7
A6 - A0
Operating Mode
N
ormal operation
Do not reset DLL
N
ormal operation
in DLL Reset
Test Mode
0
0
0
Valid
0
1
0
Valid
0
0
1
Reserved
A3
0
Burst Type
Sequential
1
Interleave
BA0
0
*
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