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IC
PINOUTS & TERMINAL GUIDES
SN74LS373N
IDENT
4A.7A,
8A.5B
LATCH
TOP
VIEW
UPC305C
6D.9C
REGULATOR
TOP
VIEW
IDENT
B
C
E
Ql
THRU
Q17,
Q26
FRONT
VIEW
IDENT
7
6
5
4
3
2
1
CN5
WIRING VIEW
DO
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
l
3
5
7
9
11
13
15
17
19
21
23
25
CN3
TOP VIEW
2
4
1
CURRENT
LIMIT
-
-«•
REGULATED
OUTPUT
2
BOOSTER
OUTPUT
COMPENSATION
8
3
UNREG
INPUT
FEEDBACK
12
14
4
GND
REFERENCE
BYPASS
16
18
20
22
IOC
REGULATOR
TOP
VIEW
24
26
2 3
1
E
C
B
(TTSi
SRI
BOTTOM
VIEW
Q20, Q21,
Q25
BOTTOM
VIEW
11
I
I
I
I
I
I
I
12
3
4
5
6
7
8
9
RM3, RM4,
RM6
FRONT
VIEW
IDENT
I
I
I
I
I
I
I
I
I
I
12
3
4
5
6
7
8
9
10
RM5
FRONT
VIEW
lfc
014
2d
V
313
3C
\
=112
4C
\
bn
5CZ
bio
iC
39
7c:
P
8
IB,
2B,
3B
4D,
5D,7D,
8D,
9B,
9D
TOP
VIEW
IC
3
64
2C
3163
3C
3
62
4C
Z361
5C
360
6C
1359
IC
358
8CZ
3157
9C
356
10CZ
33
55
11C
p54
ucz
3)53
13
C
352
14
(3
P51
15C
350
lftC=
P49
uc
48
18
a
19C
\
347
a
46
20
345
21
C
344\
??n
343
nC
3
42
24
cr
341
25C
340
26
CZ
339
27
C
338
?|C
337
29C
336
«C
335
11C
3
34
«L_
333
IDENT
6B
TOP
VIEW
3
O
x z
§
IDENT
6A
TOP VIEW
6
5
4
3
2
1
CN2
TOP
VIEW
I
I
I
I
II II
I
I
I
1
2
3
4
5
6
7
8
9
10
11
RM1,
RM2
FRONT
VIEW
-IDENT
29
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