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參數資料
| 型號： | AD484M1644VTA-7L |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Ascend Semiconductor Corporation(64Mb SDRAM) |
| 中文描述： | 登半導體公司（64MB內存） |
| 文件頁數： | 11/20頁 |
| 文件大小： | 85K |
| 代理商： | AD484M1644VTA-7L |
Preliminary
11
64Mb SDRAM
Ascend Semiconductor Corporation
Current
state
Addr.
Idle
X
X
4. Operative Command Table
Action
Nop or power down
Nop or power down
ILLEGAL
ILLEGAL
Row activating
Nop
Refresh or self refresh
Mode register accessing
Nop
Nop
Begin read : Determine AP
Begin write : Determine AP
ILLEGAL
Precharge
ILLEGAL
ILLEGAL
Continue burst to end
→
Row active
Continue burst to end
→
Row active
Burst stop
→
Row active
Terminate burst, new read : Determine AP
Terminate burst, start write : Determine AP
ILLEGAL
Terminate burst, pre-charging
ILLEGAL
ILLEGAL
Notes
2
2
3
3
BA/CA/A10
BA/CA/A10
BA/RA
BA, A10
X
Op-Code
X
X
BA/CA/A10
BA/CA/A10
BA/RA
BA, A10
X
Op-Code
X
X
X
BA/CA/A10
BA/CA/A10
BA/RA
BA/A10
X
Op-Code
4
Remark
H = High level, L = Low level, X = High or Low level (Don't care)
/CS
H
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
/R
X
H
H
H
L
L
L
L
X
H
H
H
L
L
L
L
X
H
H
H
L
L
L
L
L
/C
X
H
L
L
H
H
L
L
X
H
L
L
H
H
L
L
X
H
H
L
L
H
H
L
L
/W
X
X
H
L
H
L
H
L
X
X
H
L
H
L
H
L
X
H
L
H
L
H
L
H
L
Command
DESL
NOP or BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
DESL
NOP or BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
Row active
5
5
3
6
4
Read
7
7, 8
3
4
Write
X
X
X
Continue burst to end
→
Write recovering
Continue burst to end
→
Write recovering
Burst stop
→
Row active
Terminate burst, start read : Determine AP 7, 8
Terminate burst, new write : Determine AP 7
ILLEGAL
Terminate burst, pre-charging
ILLEGAL
ILLEGAL
BA/CA/A10
BA/CA/A10
BA/RA
BA/A10
X
Op-Code
7,8
7
3
9
H
L
L
L
L
L
L
L
L
X
H
H
H
L
L
L
L
L
X
H
H
L
L
H
H
L
L
X
H
L
H
L
H
L
H
L
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
相關PDF資料 |
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|---|---|
| AD484M1644VTA-7LI | Ascend Semiconductor Corporation(64Mb SDRAM) |
| AD484M1644VTA-8I | Ascend Semiconductor Corporation(64Mb SDRAM) |
| AD484M1644VTA-8L | Ascend Semiconductor Corporation(64Mb SDRAM) |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD484M1644VTA-7LI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Ascend Semiconductor Corporation(64Mb SDRAM) |
| AD484M1644VTA-8I | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Ascend Semiconductor Corporation(64Mb SDRAM) |
| AD484M1644VTA-8L | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Ascend Semiconductor Corporation(64Mb SDRAM) |
| AD484M1644VTA-8LI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Ascend Semiconductor Corporation(64Mb SDRAM) |
| AD48500A | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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