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MODEL:
AX
80
002
Subject:
Parts information
No.
AX80/1
DATE:
April
1985
Change
of
Part Name.
Because
of the
new type
IC
TC4013BP production,
the
IC
manufacture has
changed the name
of old type IC
TC4013BP
to
TC4Q13BAP.
Old type
IC
TC4013BP and
IC
TC4013BAP
are interchangeable.
Since old type TC4013BP and new type TC4013BP function differently, IC
itself can not be substituted.
However, this change should not affect the
operation
of
AX80 even when
a
new TC4013BP
is
installed.
The new type
IC
can be identified by
its Lot Number,
added
to its
Lot Number.
The letter
"B"
will
be
Old type TC4013BP
New type TC4013BP
8501H
8522HB
The chart below shows the difference
of
their function.
OLD
TRUTH TABLE
TC4013BP
INPUTS
OUTPUTS
CL
PR
D
CP
A
Qn+1 Qn+1
L
H
•3
m
H
L
H
L
m
L
H
H
H
•it
H
L
L
L
_r
L
H
L
L
H
_r
H
L
L
L
i_
Qn*
Qn*
:
Don't Care
A
:
Level Change
•
:
No
Change
NEW
TRUTH TABLE
TC4013BP
INPUTS
OUTPUTS
*
CL
PR
D
Qa+1
Qn+l
L
H
;*
H
L
H
L
&
H
H
H
H
L
L
L
J~
L
H
L
L
H
_r
H
L
L
L
m
"L
Qn*
Qn*
)x
:
Doi/t
Care
A
•
Level Change
•
:
No
Change
c
-
2
-
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