MH8S72BAFD-8 Ver la hoja de datos (PDF) - MITSUBISHI ELECTRIC
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MH8S72BAFD-8 Datasheet PDF : 56 Pages
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MH8S72BAFD -7, -8 MITSUBISHI LSIs
P rSepl iemci.n a r y 603,979,776-BIT ( 8,388,608-WORD BY 72-BIT ) Synchronous DYNAMIC RAM
FUNCTION TRUTH TABLE(continued)
Current State
PRE -
CHARGING
ROW
ACTIVATING
WRITE RE-
COVERING
/S /RAS /CAS /WE Address
Command
Action
H
X
X
XX
DESEL NOP(Idle after tRP)
L
H H HX
NOP
NOP(Idle after tRP)
L
H H L BA
TBST
ILLEGAL*2
L
HL
X BA,CA,A10 READ/WRITE ILLEGAL*2
L
L
H H BA,RA
ACT
ILLEGAL*2
L
L
H L BA,A10
PRE/PREA NOP*4(Idle after tRP)
L
L
L
HX
REFA
ILLEGAL
Op-Code,
L
L
L
L
Mode-Add
MRS
ILLEGAL
H
X
X
XX
DESEL NOP(Row Active after tRCD
L
H H HX
NOP
NOP(Row Active after tRCD
L
H H L BA
TBST
ILLEGAL*2
L
HL
X BA,CA,A10 READ/WRITE ILLEGAL*2
L
L
H H BA,RA
ACT
ILLEGAL*2
L
L
H L BA,A10
PRE/PREA ILLEGAL*2
L
L
L
HX
REFA
ILLEGAL
Op-Code,
L
L
L
L
Mode-Add
MRS
ILLEGAL
H
X
X
XX
DESEL NOP
L
H H HX
NOP
NOP
L
H H L BA
TBST
ILLEGAL*2
L
HL
X BA,CA,A10 READ/WRITE ILLEGAL*2
L
L
H H BA,RA
ACT
ILLEGAL*2
L
L
H L BA,A10
PRE/PREA ILLEGAL*2
L
L
L
HX
REFA
ILLEGAL
Op-Code,
L
L
L
L
Mode-Add
MRS
ILLEGAL
MIT-DS-0273-0.2
MITSUBISHI
ELECTRIC
1/ Dec./1998 11
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