XR88C681
44 PLCC/
LCC
<
40 DIP,
CDP
28 DIP,
CDIP
Symbol
,
*
,1
5*.5
5*.5
..G
,6
5G.
,>
5G.*
Type
Description
Output 1 (General Purpose Output).
(% ' %
- $ +'( % '( " C *
E % $D *
Output 3 (General Purpose Output).
(% '
% - $ +'( %4 C * %
( 5 ' '3D 5*.5" C * ' (
5 ' '3D 5*.5" $ (" '(
C .( $&D ..G
Output 5 (General Purpose Output Pin).
(%
( ' % - $ +'( % $ ("
'( " * C ' ( $&D C ' ( #
Output 7. (General Purpose Output Pin).
(%
( ' % - $ +'( % $ ("
'( " C %( $&D ($(' +
*
5G.*
Bi-Directional Data Bus.
Bi-Directional Data Bus.
Bi-Directional Data Bus.
MSB of the Eight Bit Bi-Directional Data Bus.
%+ %
' %(%(- + (% > % (% ( % $
( (% C (- D" !' $ (- #: '&' ( ?
$
Signal Ground.
No Connect.
Interrupt Request Output (Active Low, Open Drain).
#7 (% %% $ '' ' + +
' (H% %3 ( (- ' $(( % (% %(- (
( %% $ - # (' ( $
( - $ ' ' $(( % '%(- #
E % % (( $
Bi-Directional Data Bus.
Bi-Directional Data Bus.
Bi-Directional Data Bus.
LSB of the Eight Bit Bi-Directional Data Bus.
%+ %
% (% ( % $
( (% C (- D" !'
$ (- #: '&' ( ? $
Output 6 (General Purpose Output).
(% ( '
% - $ +'( % $ (" '(
" C %( $&D ($(' +
5G.
6
1
/
<
>
6
=
/
>
=
1
1
6
>
#.
#.
#.
#.
1
<
<
6
07
7
#7
,B
6
/
>
=
1
<
6
/
>
=
/
<
#.
#.
#.
#.
/
5G.
,/
6
EXAR [ EXAR CORPORATION ]
