參數(shù)資料
型號: FEDS82V48540-01
廠商: OKI SEMICONDUCTOR CO., LTD.
英文描述: 393,216-Word 】 32-Bit 】 4-Bank FIFO-SGRAM
中文描述: 393216詞】32位】4銀行先進先出,SGRAM
文件頁數(shù): 13/44頁
文件大小: 1419K
代理商: FEDS82V48540-01
FEDS82V48540-01
OKI Semiconductor
Function Truth Table for CKE
Current State (n) CKEn-1 CKEn
CS RAS CAS WE
Address
H
×
L
H
L
H
L
H
L
H
L
H
L
L
H
×
L
H
L
H
L
H
L
H
L
H
L
L
H
H
H
L
H
L
H
L
H
L
H
L
H
L
H
L
L
L
H
H
H
L
L
H
L
L
Note: 6. Power-down and self refresh can be entered only when all the banks are in an idle state.
MS82V48540
13/44
Action
Note
6
6
6
6
6
6
6
6
6
×
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
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
INVALID
Exit Self Refresh
ABI
Exit Self Refresh
ABI
ILLEGAL
ILLEGAL
ILLEGAL
NOP (Maintain Self Refresh)
INVALID
Exit Self Refresh
ABI
Exit Self Refresh
ABI
ILLEGAL
ILLEGAL
ILLEGAL
NOP (Continue power down mode)
Refer to Truth Table
Enter Power Down
Enter Power Down
ILLEGAL
ILLEGAL
ILLEGAL
Enter Self Refresh
ILLEGAL
NOP
Refer to Truth Table
Begin Clock Suspend Next Cycle
Enable Clock of Next Cycle
Continue Clock Suspension
Self Refresh
(SREF)
Power Down (PD)
All Banks Idle
(ABI)
Any State Other
than Listed Above
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