參數(shù)資料
型號: M5M4V16G50DFP-8
廠商: Mitsubishi Electric Corporation
英文描述: 16M (2-BANK x 262144-WORD x 32-BIT) Synchronous Graphics RAM
中文描述: 1,600(2 -銀行甲262144字× 32位)同步圖形RAM
文件頁數(shù): 14/33頁
文件大?。?/td> 167K
代理商: M5M4V16G50DFP-8
M5M4V16G50DFP -8, -10, -12
Jan'97
Preliminary
MITSUBISHI LSIs
16M (2-BANK x 262144-WORD x 32-BIT) Synchronous Graphics RAM
MITSUBISHI ELECTRIC
SGRAM (Rev. 0.0)
FUNCTION TRUTH TABLE for CKE
ABBREVIATIONS:
H=High Level, L=Low Level, X=Don't Care
NOTES:
1. CKE Low to High transition will re-enable CLK and other inputs
asynchronously
. A minimum setup time must be
satisfied before any command other than EXIT.
2. Power-Down and Self-Refresh can be entered only from the All Banks Idle State.
3. Must be legal command.
Current State
CKE
n-1
CKE
n
/CS
/RAS /CAS /WE
Add
Action
SELF-
REFRESH*1
H
X
X
X
X
X
X
INVALID
L
H
H
X
X
X
X
Exit Self-Refresh (Idle after tRC)
L
H
L
H
H
H
X
Exit Self-Refresh (Idle after tRC)
L
H
L
H
H
L
X
ILLEGAL
L
H
L
H
L
X
X
ILLEGAL
L
H
L
L
X
X
X
ILLEGAL
L
H
L
X
X
X
X
X
X
X
X
X
X
X
NOP (Maintain Self-Refresh)
INVALID
POWER
DOWN
L
H
X
X
X
X
X
Exit Power Down to Idle
L
L
X
X
X
X
X
NOP (Maintain Self-Refresh)
ALL BANKS
IDLE*2
H
H
X
X
X
X
X
Refer to Function Truth Table
H
L
L
L
L
H
X
Enter Self-Refresh
H
L
H
X
X
X
X
Enter Power Down
H
L
L
H
H
H
X
Enter Power Down
H
L
L
H
H
L
X
ILLEGAL
H
L
L
H
L
X
X
ILLEGAL
H
L
L
L
X
X
X
ILLEGAL
L
X
X
X
X
X
X
Refer to Current State =Power Down
ANY STATE
other than
listed above
H
H
X
X
X
X
X
Refer to Function Truth Table
H
L
X
X
X
X
X
Begin CLK Suspend at Next Cycle*3
L
H
X
X
X
X
X
Exit CLK Suspend at Next Cycle*3
L
L
X
X
X
X
X
Maintain CLK Suspend
DSF
X
X
X
X
X
X
X
X
X
X
X
L
X
X
X
X
X
X
X
X
X
X
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