UPD45128441G5-A80-9J 데이터 시트보기 (PDF) - Elpida Memory, Inc
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UPD45128441G5-A80-9J Datasheet PDF : 92 Pages
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µPD45128441, 45128841, 45128163
Current state
Read with auto
precharge
Write with auto
precharge
Precharging
Row activating
/CS /RAS /CAS /WE Address
H × × ××
L H H H×
L H H L×
L H L H BA, CA, A10
L H L L BA, CA, A10
L L H H BA, RA
L L H L BA, A10
L L L H×
L L L L Op-Code
Command
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
(2/3)
Action
Notes
Continue burst to end → Precharging
Continue burst to end → Precharging
ILLEGAL
ILLEGAL
3
ILLEGAL
3
ILLEGAL
3
ILLEGAL
3
ILLEGAL
ILLEGAL
H × × ××
DESL
Continue burst to end → Write
recovering with auto precharge
L H H H×
NOP
Continue burst to end → Write
recovering with auto precharge
L H H L×
BST
ILLEGAL
L H L H BA, CA, A10 READ/READA ILLEGAL
3
L H L L BA, CA, A10 WRIT/WRITA ILLEGAL
3
L L H H BA, RA
ACT
ILLEGAL
3
L L H L BA, A10
PRE/PALL
ILLEGAL
3
L L L H×
REF/SELF
ILLEGAL
L L L L Op-Code
MRS
ILLEGAL
H × × ××
DESL
Nop → Enter idle after tRP
L H H H×
NOP
Nop → Enter idle after tRP
L H H L×
BST
ILLEGAL
L H L H BA, CA, A10 READ/READA ILLEGAL
3
L H L L BA, CA, A10 WRIT/WRITA ILLEGAL
3
L L H H BA, RA
ACT
ILLEGAL
3
L L H L BA, A10
PRE/PALL
Nop → Enter idle after tRP
L L L H×
REF/SELF
ILLEGAL
L L L L Op-Code
MRS
ILLEGAL
H × × ××
DESL
Nop → Enter bank active after tRCD
L H H H×
NOP
Nop → Enter bank active after tRCD
L H H L×
BST
ILLEGAL
L H L H BA, CA, A10 READ/READA ILLEGAL
3
L H L L BA, CA, A10 WRIT/WRITA ILLEGAL
3
L L H H BA, RA
ACT
ILLEGAL
3, 10
L L H L BA, A10
PRE/PALL
ILLEGAL
3
L L L H×
REF/SELF
ILLEGAL
L L L L Op-Code
MRS
ILLEGAL
Data Sheet E0031N30
17
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