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Part Name
Description
ICM7226B View Datasheet(PDF) - Harris Semiconductor
Part Name
Description
MFG CO.
ICM7226B
8-Digit Multi-Function Frequency Counter/Timers
Harris Semiconductor
'ICM7226B' PDF : 18 Pages
View PDF
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ICM7226A, ICM7226B
INPUT
V
DD
M1
CP
ECL11C90
QTTL
CE
MS
74LS00
10k
Ω
39pF
INPUT
V+
10k
Ω
V+
10k
Ω
74LS00
V+
10k
Ω
V
DD
M1
CP
ECL11C90
QTTL
CE
MS
D1
F
D8
P
D2
R
D4
UC
4
S6
1
2
10k
Ω
3
4
5
6
7
DP
8
e
9
g
10
a
11
12
d
13
b
14
c
15
f
16
17
18
19
20
ICM7226A
0.1
µ
F
8
a
b
c
2
8
d
e
f
g
DP
OVERFLOW
D8
100k
Ω
D8
D7
EXT
DISPLAY DISPLAY OSC
OFF TEST EN
1MHz
V
DD
D4
D8
D1
D2 D3
40
HOLD
1N914s
39
10
38
100k
Ω
k
Ω
37
V
DD
8
36
35
10MHz
CRYSTAL
34
V
DD
33
32
EXT OSC IN
39pF
22M
Ω
39pF
TYP
31
D1
30
29
D2
D3
28
V
DD
V
DD
8
27
D4
26
D5
25
V
DD
24
D6
D1
5
23
D7
D2
22
D8
D3
21
D4
RANGE
D5
D6
D5
D4
D3
D2
D1
8
FIGURE 22. 100MHz MULTI-FUNCTION COUNTER
13-79
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