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Número de pieza
componentes Descripción
ICM7226BLPL(2001) Ver la hoja de datos (PDF) - Intersil
Número de pieza
componentes Descripción
Fabricante
ICM7226BLPL
(Rev.:2001)
8-Digit, Multi-Function, Frequency Counter/Timer
Intersil
ICM7226BLPL Datasheet PDF : 19 Pages
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ICM7226A, ICM7226B
D1
B IN
1N914
D4 D8 3
V+
V+
3k
Ω
P
D
Q
Q
C
V+
V+
P
D
Q
Q
C
V+
74LS74
D1
F
D8 P
D2
R
V
DD
V
DD
P
Q
D
÷
2
CK
Q
C
P
Q
D
÷
2
CK
A IN
Q
C
39pF
V
DD
10k
Ω
1
2
10k
Ω
3
4
5
6
7
D1
8
D3
9
D2 10
D4 11
ICM7226B
V
DD
3k
Ω
40
39
38
HOLD
V
DD
74LS74
V
DD
100k
Ω
V
DD
V
DD
P
D
Q
IC
÷
2
CK1
37
V
DD
36
35
34
V
DD
33
Q
C
22M
Ω
10MHz
V
DD
CRYSTAL
32
39pF
39pF (TYP)
31
V
DD
V
DD
30 DP
V
DD
P
D
Q
IC
÷
2
CK2
Q
C
V
DD
V
DD
3k
Ω
12
29
g
D5 13
28
e
D6
14
27
a
8
D7
15
26
d
D8 16
17
18
25
V
DD
24
b
23
c
D1
4
19
20
RESET
0.1
µ
F
8
22
f
21
100k
Ω
D2
D3
D4
a
b
c
d
e
f
g
DP
3
8
D8
D7
D6
D5
D4
D3 D2
D1
D8
OVERFLOW
FIGURE 21. 40MHz FREQUENCY, PERIOD COUNTER
15
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