W9725G6KB25I-TR Datasheet, PDF (34/87 Pages) Winbond – 4M X 4 BANKS X 16 BIT DDR2 SDRAM

W9725G6KB
Function Truth Table, continued
CURRENT
STATE
CS
RAS CAS W E _ADDRESS
COMMAND
Read with
Auto-
precharge
Write with
Auto-
precharge
Precharge
H
X
X
X
X
DSL
L
H
H
H
X
NOP
L
H
L
H BA, CA, A10 READ/READA
L
H
L
L BA, CA, A10 WRIT/WRITA
L
L
H
H BA, RA
L
L
H
L BA, A10
ACT
PRE/PREA
L
L
L
H
X
REF/SELF
L
L
L
L Op-Code
MRS/EMRS
H
X
X
X
L
H
H
H
X
DSL
X
NOP
L
H
L
H BA, CA, A10 READ/READA
L
H
L
L BA, CA, A10 WRIT/WRITA
L
L
H
H BA, RA
ACT
L
L
H
L BA, A10
PRE/PREA
L
L
L
H
X
L
L
L
L Op-Code
REF/SELF
MRS/EMRS
H
X
X
X
X
DSL
L
H
H
H
X
NOP
L
H
L
H BA, CA, A10 READ/READA
L
H
L
L BA, CA, A10 WRIT/WRITA
L
L
H
H BA, RA
ACT
L
L
H
L BA, A10
L
L
L
H
X
PRE/PREA
REF/SELF
L
L
L
L Op-Code
MRS/EMRS
H
X
X
X
X
DSL
L
H
H
H
X
NOP
L
H
L
H BA, CA, A10 READ/READA
Row
L
H
L
L BA, CA, A10 WRIT/WRITA
Activating
L
L
H
H BA, RA
ACT
L
L
H
L BA, A10
PRE/PREA
L
L
L
H
X
L
L
L
L Op-Code
REF/SELF
MRS/EMRS
ACTION
Continue burst to end
Continue burst to end
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Continue burst to end
Continue burst to end
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
NOP-> Idle after tRP
NOP-> Idle after tRP
ILLEGAL
ILLEGAL
ILLEGAL
NOP-> Idle after tRP
ILLEGAL
ILLEGAL
NOP-> Row active after tRCD
NOP-> Row active after tRCD
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
NOTES
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
- 34 -
Publication Release Date: Sep. 03, 2012
Revision A03