參數(shù)資料
型號(hào): M5M4V64S40ATP-8A
廠商: Mitsubishi Electric Corporation
英文描述: 64M (4-BANK x 1048576-WORD x 16-BIT) Synchronous DRAM
中文描述: 64M號(hào)(4銀行甲1048576字x 16位)同步DRAM
文件頁(yè)數(shù): 10/51頁(yè)
文件大小: 1084K
代理商: M5M4V64S40ATP-8A
MITSUBISHI LSIs
MITSUBISHI ELECTRIC
SDRAM (Rev.1.3)
Mar'98
M5M4V64S40ATP-8A,-8L,-8, -10L, -10
64M (4-BANK x 1048576-WORD x 16-BIT) Synchronous DRAM
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
L
X
X
X
X
X
NOP (Maintain Self-Refresh)
POWER
DOWN
H
X
X
X
X
X
X
INVALID
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
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.
10
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