EDS2508APSA-75 データシートの表示（PDF） - Elpida Memory, Inc
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EDS2508APSA-75 Datasheet PDF : 51 Pages
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EDS2508APSA, EDS2516APSA
Current state
/CS
Read with auto-
precharge
H
L
L
L
L
L
L
L
L
Write
H
L
L
L
L
L
L
L
L
Write with auto-
precharge
H
L
L
L
L
L
L
L
L
Refresh (auto-refresh) H
L
L
L
L
L
L
L
L
/RAS /CAS /WE Address
×
×
×
×
Command
DESL
H
H
H
×
NOP
H
H
L
×
BST
H
L
H
BA, CA, A10 READ/READA
H
L
L
BA, CA, A10 WRIT/WRITA
L
H
H
BA, RA
ACT
L
H
L
BA, A10
PRE, PALL
L
L
H
×
REF, SELF
L
L
L
MODE
MRS
×
×
×
×
DESL
H
H
H
×
NOP
H
H
L
×
BST
H
L
H
BA, CA, A10 READ/READA
H
L
L
BA, CA, A10 WRIT/WRITA
L
H
H
BA, RA
ACT
L
H
L
BA, A10
L
L
H
×
L
L
L
MODE
PRE, PALL
REF, SELF
MRS
×
×
×
×
DESL
H
H
H
×
NOP
H
H
L
×
BST
H
L
H
BA, CA, A10 READ/READA
H
L
L
BA, CA, A10 WRIT/WRITA
L
H
H
BA, RA
ACT
L
H
L
BA, A10
PRE, PALL
L
L
H
×
REF, SELF
L
L
L
MODE
MRS
×
×
×
×
DESL
H
H
H
×
NOP
H
H
L
×
BST
H
L
H
BA, CA, A10 READ/READA
H
L
L
BA, CA, A10 WRIT/WRITA
L
H
H
BA, RA
ACT
L
H
L
BA, A10
PRE, PALL
L
L
H
×
REF, SELF
L
L
L
MODE
MRS
Operation
Continue burst to end and
precharge
Continue burst to end and
precharge
ILLEGAL
ILLEGAL*3
ILLEGAL*3
Other bank active
ILLEGAL on same bank*2
ILLEGAL*3
ILLEGAL
ILLEGAL
Continue burst to end
Continue burst to end
Burst stop
Term burst and New read
Term burst and New write
Other bank active
ILLEGAL on same bank*3
Term burst write and Precharge*1
ILLEGAL
ILLEGAL
Continue burst to end and
precharge
Continue burst to end and
precharge
ILLEGAL
ILLEGAL*3
ILLEGAL*3
Other bank active
ILLEGAL on same bank*3
ILLEGAL*3
ILLEGAL
ILLEGAL
Enter IDLE after tRC
Enter IDLE after tRC
ILLEGAL
ILLEGAL*4
ILLEGAL*4
ILLEGAL*4
ILLEGAL*4
ILLEGAL
ILLEGAL
Data Sheet E0228E30 (Ver. 3.0)
19
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