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參數(shù)資料
型號: W942516CH
廠商: WINBOND ELECTRONICS CORP
英文描述: 4M X 4 BANKS X 16 BIT DDR SDRAM
中文描述: 4米× 4銀行× 16位DDR SDRAM
文件頁數(shù): 17/47頁
文件大小: 2809K
代理商: W942516CH
W942516CH
Publication Release Date: May 20, 2003
- 17 -
Revision A2
Function Truth Table, continued
CURRENT
STATE
CS
RAS
CAS
WE
ADDRESS
COMMAND
ACTION
NOTES
H
X
X
X
X
DSL
Continue burst to end
L
H
H
H
X
NOP
Continue burst to end
L
H
H
L
X
BST
ILLEGAL
L
H
L
H
BS, CA, A10
READ/READA
ILLEGAL
L
H
L
L
BS, CA, A10
WRIT/WRITA
ILLEGAL
3
L
L
H
H
BS, RA
ACT
ILLEGAL
3
L
L
H
L
BS, A10
PRE/PREA
ILLEGAL
L
L
L
H
X
AREF/SELF
ILLEGAL
Read with
Auto
Prechange
L
L
L
L
Op-Code
MRS/EMRS
ILLEGAL
H
X
X
X
X
DSL
Continue burst to end
L
H
H
H
X
NOP
Continue burst to end
L
H
H
L
X
BST
ILLEGAL
L
H
L
H
BS, CA, A10
READ/READA
ILLEGAL
L
H
L
L
BS, CA, A10
WRIT/WRITA
ILLEGAL
L
L
H
H
BS, RA
ACT
ILLEGAL
3
L
L
H
L
BS, A10
PRE/PREA
ILLEGAL
3
L
L
L
H
X
AREF/SELF
ILLEGAL
Write with
Auto
Precharge
L
L
L
L
Op-Code
MRS/EMRS
ILLEGAL
H
X
X
X
X
DSL
Nop
->
Idle after t
RP
L
H
H
H
X
NOP
Nop
->
Idle after t
RP
L
H
H
L
X
BST
ILLEGAL
L
H
L
H
BS, CA, A10
READ/READA
ILLEGAL
3
L
H
L
L
BS, CA, A10
WRIT/WRITA
ILLEGAL
3
L
L
H
H
BS, RA
ACT
ILLEGAL
3
L
L
H
L
BS, A10
PRE/PREA
Idle after t
RP
L
L
L
H
X
AREF/SELF
ILLEGAL
Precharging
L
L
L
L
Op-Code
MRS/EMRS
ILLEGAL
H
X
X
X
X
DSL
Nop
->
Row active after t
RCD
L
H
H
H
X
NOP
Nop
->
Row active after t
RCD
L
H
H
L
X
BST
ILLEGAL
L
H
L
H
BS, CA, A10
READ/READA
ILLEGAL
3
L
H
L
L
BS, CA, A10
WRIT/WRITA
ILLEGAL
3
L
L
H
H
BS, RA
ACT
ILLEGAL
3
L
L
H
L
BS, A10
PRE/PREA
ILLEGAL
3
L
L
L
H
X
AREF/SELF
ILLEGAL
Row
Activating
L
L
L
L
Op-Code
MRS/EMRS
ILLEGAL
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