IS42S32400E 查看數據表（PDF） - Integrated Silicon Solution
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IS42S32400E Datasheet PDF : 60 Pages
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IS42S32400E, IS45S32400E
FUNCTIONAL TRUTH TABLE Continued:
Current State
CS RAS CAS WE
Address
Command
Read with auto
H× ×
×
×
Precharging
DESL
LH
H
H
x
NOP
LH
H
L
×
BST
LH
L
H
BA, CA, A10
READ/READA
LH
L
L
BA, CA, A10
WRIT/ WRITA
LL
H
H
BA, RA
ACT
LL
H
L
BA, A10
PRE/PALL
LL
L
H
×
REF/SELF
LL
L
L
OC, BA
MRS
Write with Auto
H×
××
×
Precharge
DESL
LH
H
H
×
NOP
LH
H
L
×
BST
LH
L
H
BA, CA, A10
READ/READA
LH
L
L
BA, CA, A10
WRIT/ WRITA
LL
H
H
BA, RA
ACT
LL
H
L
BA, A10
PRE/PALL
LL
L
H
×
REF/SELF
LL
L
L
OC, BA
MRS
Precharging
H×
×
×
×
DESL
LH
H
H
×
NOP
LH
H
L
×
BST
LH
L
H
BA, CA, A10
READ/READA
LH
L
L
BA, CA, A10
WRIT/WRITA
LL
H
H
BA, RA
ACT
LL
H
L
BA, A10
PRE/PALL
LL
L
H
×
REF/SELF
LL
L
L
OC, BA
MRS
Row Activating
H× ×
×
×
DESL
LH
H
H
×
NOP
LH
H
L
×
BST
LH
L
H
BA, CA, A10
READ/READA
LH
L
L
BA, CA, A10
WRIT/WRITA
LL
H
H
BA, RA
ACT
LL
H
L
BA, A10
PRE/PALL
LL
L
H
×
REF/SELF
LL
L
L
OC, BA
MRS
Action
Continue burst to end, Precharge
Continue burst to end, Precharge
ILLEGAL
ILLEGAL (11)
ILLEGAL (11)
ILLEGAL (3)
ILLEGAL (11)
ILLEGAL
ILLEGAL
Continue burst to end, Write
recovering with auto precharge
Continue burst to end, Write
recovering with auto precharge
ILLEGAL
ILLEGAL(11)
ILLEGAL (11)
ILLEGAL (3,11)
ILLEGAL (3,11)
ILLEGAL
ILLEGAL
Nop, Enter idle after tRP
Nop, Enter idle after tRP
Nop, Enter idle after tRP
ILLEGAL (3)
ILLEGAL (3)
ILLEGAL(3)
Nop Enter idle after tRP
ILLEGAL
ILLEGAL
Nop, Enter bank active after tRCD
Nop, Enter bank active after tRCD
Nop, Enter bank active after tRCD
ILLEGAL (3)
ILLEGAL (3)
ILLEGAL (3,9)
ILLEGAL (3)
ILLEGAL
ILLEGAL
Note: H=Vih, L=Vil x= Vih or Vil, V = Valid Data, BA= Bank Address, CA+Column Address, RA=Row Address, OC= Op-Code
10
Integrated Silicon Solution, Inc. - www.issi.com
Rev. D
05/18/09
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