參數(shù)資料
型號: A43L8316
廠商: AMIC Technology Corporation
英文描述: 128K X 16 Bit X 2 Banks Synchronous DRAM
中文描述: 128K的× 16位× 2銀行同步DRAM
文件頁數(shù): 43/45頁
文件大?。?/td> 1395K
代理商: A43L8316
A43L8316
Preliminary (April, 2000, Version 1.0)
42
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
Address
Action
Note
X
H
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
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
6
L
H
L
H
H
H
X
6
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
Self
Refresh
7
L
H
L
H
H
H
X
7
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
X
X
X
X
X
X
X
Both
Bank
Precharge
Power
Down
8
8
8
All
Banks
Idle
9
9
Any State
Other than
Listed
Above
Abbreviations : ABI = All Banks Idle
Note: 6. 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.
7. 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.
8. Power-down and self refresh can be entered only from the all banks idle state.
9. Must be a legal command.
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