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參數(shù)資料
| 型號(hào)： | K4C89363AF-TCFB |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 2,097,152-WORDS x 4 BANKS x 36-BITS DOUBLE DATA RATE Network-DRAM |
| 中文描述： | 2097152 - 4字×銀行× 36位的雙數(shù)據(jù)速率網(wǎng)絡(luò)內(nèi)存 |
| 文件頁(yè)數(shù)： | 21/58頁(yè) |
| 文件大小： | 1340K |
| 代理商： | K4C89363AF-TCFB |
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K4C89363AF
REV. 0.0 Nov. 2002
- 21 -
Mode Register Table
Regular Mode Register
(Notes : 1)
Address
B A 1
*1
B A 0
*1
A 1 4 - A 8
A 7
*3
A 6 - A 4
A3
A2-A0
Register
0
0
0
T M
C L
B T
B L
A7
T e s t M o d e ( T M )
0
Regular (Default)
1
Test Mode Entry
A 3
Burst Type (BT)
0
Sequential
1
Interleave
A6
A 5
A 4
C A S L a t e n c y ( C L )
0
0
X
Reserved
*2
0
1
0
Reserved
*2
0
1
1
Reserved
*2
1
0
0
4
1
0
1
5
1
1
0
6
1
1
1
Reserved
*2
A 2
A 1
A 0
Burst Length (BL)
0
0
0
Reserved
*2
0
0
1
2
0
1
0
4
0
1
1
Reserved
*2
1
X
X
Extended Mode Register (Notes : 4)
Address
B A 1
*4
B A 0
*4
A 1 4 - A 7
A 6 ~ A 5
A 4 - A 3
A2~A1
A 0
*5
Register
0
1
0
S S
D I C ( Q S )
DIC(DQ)
D S
Q S
D Q
Output Driver Impedance Control
(DIC)
A 4
A 3
A2
A 1
0
0
0
0
Normal Output Driver
0
1
0
1
Strong Output Driver
1
0
1
0
Weak Output Driver
1
1
1
1
Reserved
A 0
D L L S w i t c h ( D S )
0
DLL Enable
1
DLL Disable
Note :
1. Regular Mode Register Is Chosen Using the combination of BA0 = 0 and BA1 = 0.
2. "Reserved" places in Regular Mode Register should not be set.
3. A7 in Regular Mode Register must be set to "0"(Low state).
Because Test Mode is specific mode for supplier.
4. Extended Mode Register is chosen using the Combination of BA0 = 1 and BA1 = 0.
5. A0 in Extended Mode Register must be set to "0" to enable DLL for normal operation.
A 6
A 5
Strobe Select
0
0
Reserved
*2
0
1
Reserved
*2
1
0
Unidirectional DS/QS
1
1
Unidirectional DS/Free Running QS
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