參數(shù)資料
型號(hào): MS82V16520
廠商: OKI SEMICONDUCTOR CO., LTD.
英文描述: 262,144-Word x 32-Bit x 2-Bank Synchronous Graphics RAM
中文描述: 262,144字× 32位× 2,銀行同步圖形RAM
文件頁(yè)數(shù): 15/67頁(yè)
文件大?。?/td> 846K
代理商: MS82V16520
15/66
Semiconductor
MS82V16520
Function Truth Table for CKE
Current State
(n)
CKEn-1
Self Refresh
(SREF)
Address
H
L
L
L
L
L
L
H
L
L
L
L
L
L
H
H
H
H
H
H
H
H
L
H
L
L
L
L
H
L
L
L
L
H
L
L
L
L
L
L
H
H
H
L
H
H
H
L
H
H
H
L
L
L
H
H
L
H
H
L
H
H
L
H
L
L
H
L
H
L
H
L
L
H
L
H
H
L
L
Power Down
(PD)
All Banks Idle
(ABI)
Any State Other
than Listed Above
Action
INVALID
Exit Self Refresh
ABI
Exit Self Refresh
ABI
ILLEGAL
ILLEGAL
ILLEGAL
NOP (Maintain Self Refresh)
INVALID
Exit Power Down
ABI
Exit Power Down
ABI
ILLEGAL
ILLEGAL
ILLEGAL
NOP (Continue power down mode)
Refer to Table
Enter Power Down
Enter Power Down
ILLEGAL
ILLEGAL
ILLEGAL
Enter Self Refresh
ILLEGAL
NOP
Refer to Operations in Table
Begin Clock Suspend Next Cycle
Enable Clock of Next Cycle
Continue Clock Suspension
CKEn
H
H
H
H
H
L
H
H
H
H
H
L
H
L
L
L
L
L
L
L
L
H
L
H
L
L
Note
5
5
5
5
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
CS
RAS CAS
WE
DSF
Notes:
5.
If the minimum set-up time t
PDE
is satisfied when CKE transitions from "L" to "H", CKE
operates asynchronously so that a command can be input in the same internal clock cycle.
Power-down and self refresh can be entered only when all the banks are in an idle state.
6.
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