参数资料
型号: V58C2256324SAH-40
厂商: PROMOS TECHNOLOGIES INC
元件分类: DRAM
英文描述: 8M X 32 DDR DRAM, 0.6 ns, PBGA144
封装: LEAD FREE, BGA-144
文件页数: 17/37页
文件大小: 557K
代理商: V58C2256324SAH-40
24
V58C2256324SA Rev. 1.0 November 2003
ProMOS TECHNOLOGIES
V58C2256324SA
CommandTable
TableCommandOverview
Note: 1:ThePowerDownModeEntrycommandisillegalduringBurstReadorBurstWriteoperations.
Operation
Code
CKE
n-1
CKE
n
CS#
RAS#
CAS#
WE#
BA0
BA1
A8
A0-7
A9-11
DESEL
H
X
H
XXXXXXX
H
X
L
H
XXXX
ModeRegisterSetup
MRS
H
X
L
LLL00
OPCODE
ExtendedModeRegisterSetup
NOP
H
X
L
LLL10
OPCODE
BankActivateACT
H
X
L
H
BA
RowAddress
Read
READ
H
X
L
H
L
H
BA
L
Col.
ReadwithAutoPrecharge
READA
H
X
L
H
L
H
BA
H
Col.
WriteCommand
WRITE
H
X
L
H
L
BA
L
Col.
WriteCommandwithAutoPrecharge WRITEA
H
X
L
H
L
BA
H
Col.
BST
H
X
L
H
L
XXXX
PrechargeSingleBankPRE
H
X
L
H
L
BA
L
X
PrechargeAllBanks
PREAL
H
X
L
H
L
X
H
X
H
L
H
XXXX
H
L
H
XXXX
SelfRefreshExit
DeviceDeselect
SREFEX
L
H
L
X
H
X
H
X
H
X
PowerDownModeEntry(Note1)
PWDNEN
H
L
H
L
X
H
X
H
X
H
X
PowerDownModeExit
PWDNEX
L
H
L
X
valid
X
valid
X
valid
XXXX
Nooperation
BurstStop
Autorefresh
SelfRefreshEntry
EMRS
REF
REFX
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