參數(shù)資料
型號: W9412G2IB-4
廠商: WINBOND ELECTRONICS CORP
元件分類: DRAM
英文描述: 4M X 32 DDR DRAM, 0.6 ns, PBGA144
封裝: 12 X 12 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LFBGA-144
文件頁數(shù): 14/50頁
文件大小: 826K
代理商: W9412G2IB-4
W9412G2IB
Publication Release Date: Aug. 30, 2010
- 21 -
Revision A06
8.3 Function Truth Table, continued
CURRENT
STATE
CS
RAS
CAS
WE
ADDRESS
COMMAND
ACTION
NOTES
H
X
DSL
Continue burst to end
L
H
X
NOP
Continue burst to end
L
H
L
X
BST
ILLEGAL
L
H
L
H
BA, CA, A8
READ/READA
ILLEGAL
L
H
L
BA, CA, A8
WRIT/WRITA
ILLEGAL
3
L
H
BA, RA
ACT
ILLEGAL
3
L
H
L
BA, A8
PRE/PREA
ILLEGAL
L
H
X
AREF/SELF
ILLEGAL
Read with
Auto-
precharge
L
Op-Code
MRS/EMRS
ILLEGAL
H
X
DSL
Continue burst to end
L
H
X
NOP
Continue burst to end
L
H
L
X
BST
ILLEGAL
L
H
L
H
BA, CA, A8
READ/READA
ILLEGAL
L
H
L
BA, CA, A8
WRIT/WRITA
ILLEGAL
L
H
BA, RA
ACT
ILLEGAL
3
L
H
L
BA, A8
PRE/PREA
ILLEGAL
3
L
H
X
AREF/SELF
ILLEGAL
Write with
Auto-
precharge
L
Op-Code
MRS/EMRS
ILLEGAL
H
X
DSL
NOP-> Idle after tRP
L
H
X
NOP
NOP-> Idle after tRP
L
H
L
X
BST
ILLEGAL
L
H
L
H
BA, CA, A8
READ/READA
ILLEGAL
3
L
H
L
BA, CA, A8
WRIT/WRITA
ILLEGAL
3
L
H
BA, RA
ACT
ILLEGAL
3
L
H
L
BA, A8
PRE/PREA
Idle after tRP
L
H
X
AREF/SELF
ILLEGAL
Precharging
L
Op-Code
MRS/EMRS
ILLEGAL
H
X
DSL
NOP-> Row active after tRCD
L
H
X
NOP
NOP-> Row active after tRCD
L
H
L
X
BST
ILLEGAL
L
H
L
H
BA, CA, A8
READ/READA
ILLEGAL
3
L
H
L
BA, CA, A8
WRIT/WRITA
ILLEGAL
3
L
H
BA, RA
ACT
ILLEGAL
3
L
H
L
BA, A8
PRE/PREA
ILLEGAL
3
L
H
X
AREF/SELF
ILLEGAL
Row
Activating
L
Op-Code
MRS/EMRS
ILLEGAL
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