MH16S72PJB-8 Ver la hoja de datos (PDF) - MITSUBISHI ELECTRIC
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MH16S72PJB-8 Datasheet PDF : 56 Pages
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P rSepl iemci.n a r y
MITSUBISHI LSIs
MH16S72PJB-7, -8
1207959552-BIT ( 16777216-WORD BY 72-BIT ) Synchronous DYNAMIC RAM
FUNCTION TRUTH TABLE(continued)
Current State
WRITE
READ with
AUTO
PRECHARGE
WRITE with
AUTO
PRECHARGE
/S /RAS /CAS /WE Address
Command
Action
H
X
X
XX
DESEL NOP(Continue Burst to END)
L
H H HX
NOP
NOP(Continue Burst to END)
L
H H L BA
TBST
Terminate Burst
Terminate Burst,Latch CA,
L
HL
H BA,CA,A10 READ/READA Begin Read,Determine Auto-
Precharge*3
Terminate Burst,Latch CA,
WRITE/
L
HL
L BA,CA,A10
Begin Write,Determine Auto-
WRITEA
Precharge*3
L
L
H H BA,RA
ACT
Bank Active/ILLEGAL*2
L
L
H L BA,A10
PRE/PREA Terminate Burst,Precharge
L
L
L
HX
Op-Code,
L
L
L
L
Mode-Add
REFA
MRS
ILLEGAL
ILLEGAL
H
X
X
XX
DESEL NOP(Continue Burst to END)
L
H H HX
NOP
NOP(Continue Burst to END)
L
H H L BA
TBST
ILLEGAL
L
HL
H BA,CA,A10 READ/READA ILLEGAL
WRITE/
L
HL
L BA,CA,A10
ILLEGAL
WRITEA
L
L
H H BA,RA
ACT
Bank Active/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(Continue Burst to END)
L
H H HX
NOP
NOP(Continue Burst to END)
L
H H L BA
TBST
ILLEGAL
L
HL
H BA,CA,A10 READ/READA ILLEGAL
WRITE/
L
HL
L BA,CA,A10
ILLEGAL
WRITEA
L
L
H H BA,RA
ACT
Bank Active/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-0302-0.0
MITSUBISHI
ELECTRIC
11/Jan. /1999
8
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