ICM7211ALM44 INTERSIL [Intersil Corporation], ICM7211ALM44 Datasheet - Page 11

• Manufacturer Part Number: ICM7211ALM44
• Description: 4-Digit, ICM7211 (LCD) and ICM7212 (LED) Display Drivers
• Manufacturer: INTERSIL [Intersil Corporation]

Test Circuit
Typical Applications
SELECTS
DIGIT
BCD/BINARY
DATA
EACH SEGMENT
+5V
LCD DISPLAY
D8
D7
D6
D5
D4
D3
D2
D1
WITH A 200pF
BACKPLANE
OUTPUT TO
CAPACITOR
8-DIGIT
FIGURE 12. GANGED ICM7211’s DRIVING 8-DIGIT LCD DISPLAY
BACKPLANE
4
V
V
OSC
DD
SS
SLAVE
B3-B0
D8
V
4
DD
D4 D3 D2 D1 BP
HIGH ORDER
SEGMENTS
D7
10
11
12
13
14
15
16
17
18
19
20
ICM7211A
1
2
3
4
5
6
7
8
9
28
ICM7211, ICM7212
V
BP
DD
D6
ICM7211AM
DIGIT/CHIP
+
FIGURE 11.
SELECT
INPUTS
INPUTS
9-16
DATA
-
D5
OSC
V
SS
+5V
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
D4
V
SS
BACKPLANE
D3
V
V
V
V
V
OSC
MASTER
DD
SS
DD
DD
SS
B3-B0
MICROPROCESSOR
VERSION
MULTIPLEXED
VERSION
4
D2
D4 D3 D2 D1 BP
LOW ORDER
SEGMENTS
ICM7211A
28
D1
BACKPLANE