W989D6CB Datasheet, PDF (16/67 Pages) Winbond – 512Mb Mobile LPSDR

W989D6CB / W989D2CB
Current State CS
H
L
L
Read with
L
auto
L
precharge
L
L
L
L
H
L
L
Write with
L
auto
L
precharge
L
L
L
L
H
L
L
L
Precharging L
L
L
L
L
H
L
L
L
Row
activating
L
L
L
L
L
RAS
X
H
H
H
H
L
L
L
L
X
H
H
H
H
L
L
L
L
X
H
H
H
H
L
L
L
L
X
H
H
H
H
L
L
L
L
512Mb Mobile LPSDR
CAS WE
Address
Command
Action
Notes
X
X
X
DSL
Continue burst to end
H
H
X
NOP
Continue burst to end
H
L
X
BST
ILLEGAL
L
H BS, CA, A10 READ/READA ILLEGAL
3
L
L BS, CA, A10 WRIT/WRITA ILLEGAL
3
H
H
BS, RA
ACT
ILLEGAL
3
H
L
BS, A10
PRE/PREA
ILLEGAL
3
L
H
X
AREF/SELF ILLEGAL
L
L
Op-Code
MRS/EMRS ILLEGAL
X
X
X
DSL
Continue burst to end
H
H
X
NOP
Continue burst to end
H
L
X
BST
ILLEGAL
L
H BS, CA, A10 READ/READA ILLEGAL
3
L
L BS, CA, A10 WRIT/WRITA ILLEGAL
3
H
H
BS, RA
ACT
ILLEGAL
3
H
L
BS, A10
PRE/PREA
ILLEGAL
3
L
H
X
AREF/SELF ILLEGAL
L
L
Op-Code
MRS/EMRS ILLEGAL
X
X
X
DSL
Nop → Idle after tRP
H
H
X
NOP
Nop → Idle after tRP
H
L
X
BST
ILLEGAL
L
H BS, CA, A10 READ/READA ILLEGAL
3
L
L BS, CA, A10 WRIT/WRITA ILLEGAL
3
H
H
BS, RA
ACT
ILLEGAL
3
H
L
BS, A10
PRE/PREA
Nop → Idle after tRP
L
H
X
AREF/SELF ILLEGAL
L
L
Op-Code
MRS/EMRS ILLEGAL
X
X
X
DSL
Nop → Row active after tRCD
H
H
X
NOP
Nop → Row active after tRCD
H
L
X
BST
ILLEGAL
L
H BS, CA, A10 READ/READA ILLEGAL
3
L
L BS, CA, A10 WRIT/WRITA ILLEGAL
3
H
H
BS, RA
ACT
ILLEGAL
3
H
L
BS, A10
PRE/PREA
ILLEGAL
3
L
H
X
AREF/SELF ILLEGAL
L
L
Op-Code
MRS/EMRS ILLEGAL
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Publication Release Date: Sep, 22, 2011
Revision A01-005