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| 型號： | A45L9332AF-7 |
| 廠商： | AMIC Technology Corporation |
| 英文描述： | 256K X 32 Bit X 2 Banks Synchronous Graphic RAM |
| 中文描述： | 256 × 32位× 2銀行同步圖形內存 |
| 文件頁數(shù)： | 52/55頁 |
| 文件大?。?/td> | 1255K |
| 代理商： | A45L9332AF-7 |
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A45L9332A Series
PRELIMINARY
(October, 2001, Version 0.1)
51
AMIC Technology, Inc.
Function Truth Table for CKE (Table 2)
Current
State
CKE
n-1
H
L
CKE
n
X
H
CS
RAS
CAS
WE
DSF Address
Action
Note
X
H
X
X
X
X
X
X
X
X
X
X
INVALID
Exit Self Refresh
→
ABI after t
RC
Exit Self Refresh
→
ABI after t
RC
ILLEGAL
ILLEGAL
ILLEGAL
NOP(Maintain Self Refresh)
INVALID
7
L
H
L
H
H
H
X
X
7
L
L
L
L
H
L
H
H
H
L
X
H
L
L
L
X
X
H
H
H
L
X
X
X
H
L
X
X
X
X
L
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Self
Refresh
Exit Power Down
→
ABI
Exit Power Down
→
ABI
ILLEGAL
ILLEGAL
ILLEGAL
NOP(Maintain Power Down Mode)
Refer to Table 1
Enter Power Down
Enter Power Down
ILLEGAL
ILLEGAL
ILLEGAL
Enter Self Refresh
ILLEGAL
NOP
Refer to Operations in Table 1
Begin Clock Suspend next cycle
Exit Clock Suspend next cycle
Maintain clock Suspend
8
L
H
L
H
H
H
X
X
8
L
L
L
L
H
H
H
H
H
H
H
H
L
H
H
L
L
H
H
H
L
H
L
L
L
L
L
L
L
L
H
L
H
L
L
L
L
X
X
H
L
L
L
L
L
L
X
X
X
X
X
H
H
L
X
X
X
H
H
H
L
L
L
X
X
X
X
X
H
L
X
X
X
X
H
H
L
H
L
L
X
X
X
X
X
L
X
X
X
X
X
H
L
X
X
H
L
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
L
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Both
Bank
Precharge
Power
Down
9
9
9
10
10
All
Banks
Idle
Any State
Other than
Listed
Above
Abbreviations : ABI = All Banks Idle
Note: 7. After CKE’s low to high transition to exit self refresh mode. And a time of t
RC
(min) has to be elapse after CKE’s low
to high transition to issue a new command.
8. CKE low to high transition is asynchronous as if restarts internal clock.
A minimum setup time “tSS + one clock” must be satisfied before any command other than exit.
9. Power-down and self refresh can be entered only from the all banks idle state.
10. Must be a legal command.
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