Preliminary Spec.
Some contents are subject to change without notice.
MITSUBISHI LSIs
MH16S64AMA -8,-10,-12
1073741824-BIT (16777216 - WORD BY 64-BIT)SynchronousDRAM
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
H
L
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
H
L
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
H
L
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-0127-0.0
MITSUBISHI
ELECTRIC
( 11 / 52 )
4. Mar.1997