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SCHOTTKY BIPOLAR 8214
DO
8080
BI-ol
RECTIONAL
BUS
~
~
~
~
~
~
~
~
0
5
T 0
4
~
I T
~
~
I
IT
~
I I I T 0
7
~10K
mmn
~
INT
p23
I I I I I I I I
c4>
'(808~Np1N
14)
1K~
~
~:
INTE • I I I I • I 7 I INTE
~2
(TIL) • I I I I
,6
cl
ClK
ETLG
INT
I:>
5 I I I
~
b
11
I
STB
PRIORITY
ARRAY
EN
(FROM I/O PORT
DECODER)
GND :
Do
0,
7 0
9 2
16
~3
8212
18 0
4
20 5
22 0
6
0
7
RESET
14 CLR
oS2
Mo
os,
ffl1
I/O
R
GND
AO~
Ai
9
A
2
10
8214
~
GND
~
13
7
ClK
ETlG
INTE -
p5
1~
INT
,~~~
17~R,
1B~R2
"'::lI
Ri
~~
7n::3R'4
A 9
21
~
R6
J!
10
?~~
8214 2
~
~
3
~
4 B
2
~
2~
.....
-
1
ECS
ErR
ENLG
~
GND
~ECS
mJ
-
2
~
3
~
4if;s
PR
s
PFl
g
f5R
l0
PAll
PR
12
PR
13
PR
14
PA
15
PRO
Pfi
l
fiR
2
PR
3
PR
4
PA
5
PR
6
PR
7
ENABLE
CURRENT
STATUS
2
------~l-
(FROM
I/O
PORT
DECODER)
ENABLE
CURRENT
STATUS
1
(FROM
I/O
PORT
DECODER)
REQUESTS
16 Level Controller
5-158