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Número de pieza
componentes Descripción
ICM7211AMLM44 Ver la hoja de datos (PDF) - Intersil
Número de pieza
componentes Descripción
Fabricante
ICM7211AMLM44
4-Digit, LCD Display Driver
Intersil
ICM7211AMLM44 Datasheet PDF : 9 Pages
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2
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8
9
Test Circuit
ICM7211A
V
DD
+
-
V
SS
EACH SEGMENT
OUTPUT TO
BACKPLANE
WITH A 200pF
CAPACITOR
1 V
DD
40
2
ICM7211AM
39
3
38
4
37
5 BP
OSC 36
6
V
SS
35
7
34
8
DIGIT/CHIP
33
9
SELECT
32
INPUTS
10
31
11
30
12
DATA
29
13
INPUTS
28
14
27
15
26
16
25
17
24
18
23
19
22
20
21
V
DD
MICROPROCESSOR
VERSION
V
SS
MULTIPLEXED
VERSION
V
DD
FIGURE 7.
Typical Applications
D8
D7
D6
D5
8-DIGIT
LCD DISPLAY
D4
D3
D2
D1
BACKPLANE
+5V
BCD/BINARY
DATA
D8
D7
D6
DIGIT
D5
SELECTS
D4
D3
D2
D1
BACKPLANE
SLAVE
28
V
DD
SEGMENTS
+5V
V
SS
OSC
HIGH ORDER
ICM7211A
B3-B0 D4 D3 D2 D1 BP
4
4
BACKPLANE
MASTER
28
V
DD
V
SS
OSC
B3-B0
SEGMENTS
LOW ORDER
ICM7211A
D4 D3 D2 D1 BP
4
FIGURE 8. GANGED ICM7211A’s DRIVING 8-DIGIT LCD DISPLAY
8
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