W988D6FB_13 Datasheet, PDF (18/66 Pages) Winbond – 256Mb Mobile LPSDR

W988D6FB / W988D2FB
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
CAS WE
Address
X
X
X
H
H
X
H
L
X
L
H BS, CA, A10
L
L BS, CA, A10
H
H
BS, RA
H
L
BS, A10
L
H
X
L
L
Op-Code
X
X
X
H
H
X
H
L
X
L
H BS, CA, A10
L
L BS, CA, A10
H
H
BS, RA
H
L
BS, A10
L
H
X
L
L
Op-Code
X
X
X
H
H
X
H
L
X
L
H BS, CA, A10
L
L BS, CA, A10
H
H
BS, RA
H
L
BS, A10
L
H
X
L
L
Op-Code
X
X
X
H
H
X
H
L
X
L
H BS, CA, A10
L
L BS, CA, A10
H
H
BS, RA
H
L
BS, A10
L
H
X
L
L
Op-Code
Command
DSL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PREA
AREF/SELF
MRS/EMRS
DSL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PREA
AREF/SELF
MRS/EMRS
DSL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PREA
AREF/SELF
MRS/EMRS
DSL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PREA
AREF/SELF
MRS/EMRS
256Mb Mobile LPSDR
Action
Notes
Continue burst to end
Continue burst to end
ILLEGAL
ILLEGAL
3
ILLEGAL
3
ILLEGAL
3
ILLEGAL
3
ILLEGAL
ILLEGAL
Continue burst to end
Continue burst to end
ILLEGAL
ILLEGAL
3
ILLEGAL
3
ILLEGAL
3
ILLEGAL
3
ILLEGAL
ILLEGAL
Nop → Idle after tRP
Nop → Idle after tRP
ILLEGAL
ILLEGAL
3
ILLEGAL
3
ILLEGAL
3
Nop → Idle after tRP
ILLEGAL
ILLEGAL
Nop → Row active after tRCD
Nop → Row active after tRCD
ILLEGAL
ILLEGAL
3
ILLEGAL
3
ILLEGAL
3
ILLEGAL
3
ILLEGAL
ILLEGAL
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Publication Release Date : August 15, 2013
Revision A01-004