EDS1232CABB 데이터 시트보기 (PDF) - Elpida Memory, Inc
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EDS1232CABB Datasheet PDF : 55 Pages
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EDS1232CABB, EDS1232CATA
Current state
Read with auto
precharge
Write with auto
precharge
Precharging
Row activating
/CS /RAS /CAS /WE Address
Command
Operation
H× × × ×
DESL
Continue burst to end → Precharging
L HHH×
NOP
Continue burst to end → Precharging
L HHL ×
BST
ILLEGAL
L H L H BA, CA, A10 READ/READA ILLEGAL
L H L L BA, CA, A10 WRIT/ WRITA ILLEGAL
L L H H BA, RA
ACT
ILLEGAL
L L H L BA, A10
PRE/PALL
ILLEGAL
L L L H×
REF/SELF
ILLEGAL
L L L L OPCODE
MRS
ILLEGAL
H× × × ×
DESL
Continue burst to end → Write
recovering with auto precharge
L HHH×
NOP
Continue burst to end → Write
recovering with auto precharge
L HHL ×
BST
ILLEGAL
L H L H BA, CA, A10 READ/READA ILLEGAL
L H L L BA, CA, A10 WRIT/ WRITA ILLEGAL
L L H H BA, RA
ACT
ILLEGAL
L L H L BA, A10
PRE/PALL
ILLEGAL
L L L H×
REF/SELF
ILLEGAL
L L L L OPCODE
MRS
ILLEGAL
H× × × ×
DESL
Nop → Enter idle after tRP
L HHH×
NOP
Nop → Enter idle after tRP
L HHL ×
BST
ILLEGAL
L H L H BA, CA, A10 READ/READA ILLEGAL
L H L L BA, CA, A10 WRIT/WRITA ILLEGAL
L L H H BA, RA
ACT
ILLEGAL
L L H L BA, A10
PRE/PALL
Nop → Enter idle after tRP
L L L H×
REF/SELF
ILLEGAL
L L L L OPCODE
MRS
ILLEGAL
H× × × ×
DESL
Nop → Enter bank active after tRCD
L HHH×
NOP
Nop → Enter bank active after tRCD
L HHL ×
BST
ILLEGAL
L H L H BA, CA, A10 READ/READA ILLEGAL
L H L L BA, CA, A10 WRIT/WRITA ILLEGAL
L L H H BA, RA
ACT
ILLEGAL
L L H L BA, A10
L L L H×
L L L L OPCODE
PRE/PALL
REF/SELF
MRS
ILLEGAL
ILLEGAL
ILLEGAL
Notes
3
3
3
3
3
3
3
3
3
3
3
3
3
3, 10
3
Preliminary Data Sheet E0247E40 (Ver. 4.0)
19
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