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82C684 Schematic ( PDF Datasheet ) - Exar Corporation

Teilenummer 82C684
Beschreibung XR82C684
Hersteller Exar Corporation
Logo Exar Corporation Logo 




Gesamt 30 Seiten
82C684 Datasheet, Funktion
www.DataSheet4U.com
XR82C684
    
 
FEATURES
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GENERAL DESCRIPTION
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ORDERING INFORMATION
Part No.
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80.0@A
80.0@A-@@
80.0@A
Package
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Operating
Temperature Range
  B
  B
@  09
@  09
  







82C684 Datasheet, Funktion
XR82C684www.DataSheet4U.com
Pin #
68 Pin PLCC

Pin #
44 Pin PLCC
Symbol
+.
8!HG
 +B
8!HG)
4 B
!
@ 0
9 
. 
B 
0 
 4
 @
!
!
!4
!@
!9
!.
!B
 9
 9
 .
4
@
9
.
  
-E
.0   
E:
00   

+9
8!HG!
+@
8!HG
+4
8!H-
 <<G!
+
8!H-
 <<G
Type


$-
$-
$-
$-
$-
$-
$-
$-
$
$
$


$-

Description
Output 6 (General Purpose Output).
 (%  ( '  ' *(,   * '( % 
'(  3 / %(  &1 ( ('  *    
8!HG
Output 7 (General Purpose Output).  (%  (
'  ' *(,   * '( %  '(  3 / %
(  &1 ( ('  *    ) 8!HG)
LSB of the Eight Bit Bi-Directional Data Bus. 
 %* %  3  +      6  '
   (% % ' %(%( , * ( % !  !B  % (%
(%  3   (  (% / (, 1# "'  ( , 
$= '&' (  ?  
Bi-Directional Data Bus.
Bi-Directional Data Bus.
Bi-Directional Data Bus.
Bi-Directional Data Bus.
Bi-Directional Data Bus.
Bi-Directional Data Bus.
MSB of the Eight Bit Bi-Directional Data Bus. 
 %* %  3  +      6  '
   (% % ' %(%( , * ( % !  !B  % (%
(%  3   (  (% / (, 1# "'  ( , 
$= '&' (  ?  
Read/-Write (Input). $*  (% (  (% (, 3 (  (%
3#   + (%  * ( ,  5! '&' 3( 
  $*  (% (  (% 3# 3 (  (% 3#  
+ (%  * ( ,  E$5 '&' 3(   
Write Strobe (Active Low).  / 31  (% (  3 (
 (%  % / 31 3( %  '  % *  ! )%
(    %%   ,(% # 3( (    
 %*  ''%  (%( , , * E
Chip Select (Active Low).   % (% (% 
3  (% (,  !  %* %  3  +  
   ( !  !B    3  (% 3
Output 15 (General Purpose Output).  (%   
( '  ' *(,   * '( %   ( #
'(  3 / %(   &1 ( ('  *    !
8!HG!
Output 14 (General Purpose Output).  (%   
( '  ' *(,   * '( %   ( 
'(  3 / %(   &1 ( ('  *    
8!HG
Output 13 (General Purpose Output).  (%   
( '  ' *(,   * '( %   ( #
'( 3 / ' (   &1  /$  1 ( ('  * 
  ! 8!H- <<G!
Output 12 (General Purpose Output).  (%   
( '  ' *(,   * '( %   ( #
'(  3 / ' (   &1  /$  1 ( ('  * 
   8!H- <<G
.

6 Page









82C684 pdf, datenblatt
XR82C684www.DataSheet4U.com
AC ELECTRICAL CHARACTERISTICS 1, 2, 3
Test Conditions:  L 9# > L 9>  9M  %%  3(% % '(*( 
Symbol
Parameter
Min. Typ. Max. Unit Conditions
Reset Timing (See Figure 56)
5 55 + % E(

%
XR82C684 Read and Write Cycle Timing - 88 Mode (Figure 57) 7
 @   (  !# E
<3

%
; @ ;  ( *  !# E
<3

%

   (  !# E < 3

;  ;  ( *  !# E
;(,

%
%
E !# E + % E(
9
!! ! > ( *  ! < 3
. B9
! ! )%  ( , *  ! ;(, 

! !   (  E ;(,

!; ! ;  ( *  E ;(,
9
E!
;(, (  3  %  -
 E( % 0# 

%
%
%
%
%
%
Z-Mode Interrupt Cycle Timing (Figure 58)
!$ $5 ! & ( *  $5$
 %
$ $=   (  ! < 3
:  
%
$; $= ;  ( *  ! ;(,

%
5$ $5$   (  ! < 3
9 %
5! $5 ! & ( *  $: < 3
 %
XR82C684 Read, Write and Interrupt Cycle Timing -68 Mode (Figure 59, Figure 60 and Figure 61)

;
E
E;
E
!
9   (   < 3
9 ;  ( *   ;(,
-E   (   < 3
-E   ( *   ;(,
 ;(, + % E( # 
  $= ;(, *  !=
<3






%
%
%
%
%
%
!! ! > ( *    $=
<3
B9 %
! ! )%  ( , *   
$= ;(,

 %
! !   (   < 3
!; ! ;  ( *   < 3
!< != < 3 *    !
> (

9

%
%
%
  


12 Page





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