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INTERNAL CIRCUIT, SIGNAL 8( PIN LOCATIONS
OF SEMICONDUCTO RS-3
HD3103P
5-MOS FETs
'4
4>
HD3104P
Dual 4-input AND
Gates +2-inverters
HD3226P
Dual 2-input
+Dual 3-input
v
AND Gates
HD3280P
Programable Display
(r,'
Decoder
/ E'A,V
E(2 C/CK Di '8 <>'-
(8>
M> ( Z > ( / >
A~
Hl K
hv<'<(T
DECODING<
+/A 7 RIA'
((
< >
.
5
D
.t
'0
4>
I (l
0
((
(
6
< / > 0
< 4
< />
<(>
'4
K
4>
<r(
(/
>
+~
(<> 4
O
• 1
l 1
(
'>
<4
o l
(()
2SC372
'."
4~
4~
(
4 ~
4
4
( r
(
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•
2SC641
~ /
P,
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•
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> ' K l / ( /
Q CO,
((TQOI.
S EE(><ENT 5E.' E' T' y i
(((
HA 7RA'
— 81-
2SA495
E . C , B .
0
2SA671
B . C . E .
•
•
•
2SA673
E . C . B .
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/
•
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