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參數(shù)資料
| 型號： | WED9LC6416V2012BI |
| 廠商： | MICROSEMI CORP-PMG MICROELECTRONICS |
| 元件分類： | 存儲器 |
| 英文描述： | SPECIALTY MEMORY CIRCUIT, PBGA153 |
| 封裝： | MO-163, BGA-153 |
| 文件頁數(shù)： | 4/27頁 |
| 文件大?。?/td> | 334K |
| 代理商： | WED9LC6416V2012BI |
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White Electronic Designs Corporation Westborough, MA (508) 366-5151
White Electronic Designs
WED9LC6416V
SDRAM CURRENT STATE TRUTH TABLE (CONT.)
Command
Current State SDCE SDRAS SDCAS SDWE A12&A13
A11-A0
Description
Action
Notes
(BA)
L
OP Code
Mode Register Set
ILLEGAL
L
H
X
Auto or Self Refresh
ILLEGAL
L
H
L
X
Precharge
ILLEGAL
2
Write with
L
H
BA
Row Address
Bank Activate
ILLEGAL
2
Auto Precharge
L
H
L
BA
Column
Write
ILLEGAL
L
H
L
H
BA
Column
Read
ILLEGAL
L
H
L
X
Burst Termination
ILLEGAL
L
H
X
No Operation
Continue the Burst
H
X
Device Deselect
Continue the Burst
L
OP Code
Mode Register Set
ILLEGAL
L
H
X
Auto or Self Refresh
ILLEGAL
L
H
L
X
Precharge
No Operation; Bank(s) idle after tRP
L
H
BA
Row Address
Bank Activate
ILLEGAL
2
Precharging
L
H
L
BA
Column
Write w/o Precharge
ILLEGAL
2
L
H
L
H
BA
Column
Read w/o Precharge
ILLEGAL
L
H
L
X
Burst Termination
No Operation; Bank(s) idle after tRP
L
H
X
No Operation
No Operation; Bank(s) idle after tRP
H
X
Device Deselect
No Operation; Bank(s) idle after tRP
L
OP Code
Mode Register Set
ILLEGAL
L
H
X
Auto or Self Refresh
ILLEGAL
L
H
L
X
Precharge
ILLEGAL
2
L
H
BA
Row Address
Bank Activate
ILLEGAL
2
Row Activating
L
H
L
BA
Column
Write
ILLEGAL
2
L
H
L
H
BA
Column
Read
ILLEGAL
2
L
H
L
X
Burst Termination
No Operation; Row active after tRCD
L
H
X
No Operation
No Operation; Row active after tRCD
H
X
Device Deselect
No Operation; Row active after tRCD
L
OP Code
Mode Register Set
ILLEGAL
L
H
X
Auto orSelf Refresh
ILLEGAL
L
H
L
X
Precharge
ILLEGAL
2
L
H
BA
Row Address
Bank Activate
ILLEGAL
2
Write Recovering
L
H
L
BA
Column
Write
Start Write; Determine if Auto Precharge
6
L
H
L
H
BA
Column
Read
Start Read; Determine if Auto Precharge
6
L
H
L
X
Burst Termination
No Operation; Row active after tDPL
L
H
X
No Operation
No Operation; Row active after tDPL
H
X
Device Deselect
No Operation; Row active after tDPL
L
OP Code
Mode Register Set
ILLEGAL
L
H
X
Auto orSelf Refresh
ILLEGAL
L
H
L
X
Precharge
ILLEGAL
2
Write Recovering
L
H
BA
Row Address
Bank Activate
ILLEGAL
2
with Auto
L
H
L
BA
Column
Write
ILLEGAL
2,6
Precharge
L
H
L
H
BA
Column
Read
ILLEGAL
2,6
L
H
L
X
Burst Termination
No Operation; Precharge after tDPL
L
H
X
No Operation
No Operation; Precharge after tDPL
H
X
Device Deselect
No Operation; Precharge after tDPL
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