W972GG6JB-18-TR Datasheet, PDF (33/87 Pages) Winbond – 16M 8 BANKS 16 BIT DDR2 SDRAM

W972GG6JB
9.4 Function Truth Table
CURRENT
STATE
Idle
CS RAS CAS WE ^{ADDRESS COMMAND}
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
PRE/PREA
L
L
L
H
X
REF/SELF
L
L
L
L Op-Code
MRS/EMRS
Banks
Active
Read
Write
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
PRE/PREA
L
L
L
H
X
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
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
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
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
REF/SELF
L
L
L
L Op-Code
MRS/EMRS
ACTION
NOP or Power down
NOP or Power down
ILLEGAL
ILLEGAL
Row activating
Precharge/ Precharge all banks
Auto Refresh or Self Refresh
Mode/Extended register
accessing
NOP
NOP
Begin read
Begin write
ILLEGAL
Precharge/ Precharge all banks
ILLEGAL
ILLEGAL
Continue burst to end
Continue burst to end
Burst interrupt
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Continue burst to end
Continue burst to end
ILLEGAL
Burst interrupt
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
NOTES
1
1
2
2
1
1,3
1
1
1
1
1,3
1
1
- 33 -
Publication Release Date: Jul. 28, 2014
Revision: A03