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ICM7245AIM44Z
P1-P3
P4-P6
P7-P9
P10-P12
P13-P13
ICM7245
7
FN858
7
.0
October 29, 2013
Te
s
t
C
i
r
c
u
i
t
FIGURE 4.
D2
D1
D0
SEG a2
SEG a1
SEG d1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
D3
D4
D5
CS
NC
NC
WR
28
27
26
25
24
23
22
21
20
19
18
V
SS
NC
NC
CHAR1
OSC/OFF
A
2
/DISP FULL
A
1
/CLR
A
0
/SEN
39
38
37
36
35 34
33
32
31
30
29
44
43
42
41
40
V
DD
SEG l
SEG g2
SEG b
SEG i
SEG f
SEG d2
DP
SEG h
SEG j
MODE (SA/RA
)
SEG c
SEG k
SEG g1
SEG e
SEG m
CHAR8
CHAR7
CHAR6
CHAR5
CHAR4
CHAR3
CHAR2
SEGMENTS
SEGMENTS
SEGMENTS
V
DD
17 SEGMENTS
CHAR 8
CHAR 7
CHAR 6
CHAR 5
CHAR 4
CHAR 3
CHAR 2
CHAR 1
DISPLA
Y
V
DD
NC (FOR SA MODE)
V
DD
FULL
OUTPUT
ICM7245
8
FN858
7
.0
October 29, 2013
T
ypical Applications
FIGURE 5.
DRIVING TWO ROWS OF CHARA
CTERS FR
OM A SERIAL INPUT
RRI
DRR
HD6402
UART
RBR1 - RBR6
RBR8
RBR7
DR
6 BIT BUS
+3.3V
CLR
CS
SEN
WR
D0 - D5
CS
ICM7245
SEG
DISP
FULL
CHAR
ETC.
ETC.
CLR
CS
SEN
WR
D0 - D5
CS
ICM7245
SEG
DISP
FULL
CHAR
CS
SEN
CLR
CHAR
SEG
ICM7245
CS
DISP
FULL
D0 - D5
CS
SEN
CLR
CHAR
SEG
ICM7245
CS
DISP
FULL
D0 - D5
WR
WR
200pF
OUT
V
+
TR
TH
ICL7555
DELA
Y
20k
+3.3V
+3.3V
+3.3V
8 CHARACTERS
8 CHARACTERS
8 CHARACTERS
8 CHARACTERS
ICM7245
9
FN858
7
.0
October 29, 2013
FIGURE 6.
MUL
TI
CHARACTER DISPLA
Y USING SEQUENTIAL ACCESS MODE
FIGURE 7A.
COMMON CA
THODE DISPLAY
FIGURE 7B.
COMMON ANODE DISPLA
Y
FIGURE 7
.
DRIVING LARGE DISPLAYS
T
ypical Applications
(Continued)
8-CHARACTER LED DISPLA
Y
8
CLR
+3.3V
SEN
MODE
WR
D0 - D5
CS
CHAR
SEG
DISP FULL
V
DD
V
SS
DA
T
A
WR
CS,
FIRST 8 CHARACTERS
SECOND 8 CHARACTERS
NTH 8 CHARACTERS
8-CHARACTER LED DISPLA
Y
8-CHARACTER LED DISPLA
Y
88
+3.3V
CLR
CLR
SEN
MODE
WR
D0 - D5
CS
CHAR
SEG
DISP FULL
V
DD
V
SS
CLR
SEN
MODE
WR
D0 - D5
CS
CHAR
SEG
DISP FULL
V
DD
V
SS
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
6
17
6
6
BUS
(WR)
17
17
+3.3V
136
Ω
1mA
2N2219
14
Ω
(100mA
PEAK
)
CHAR
14mA
2N6034
1.4A
PEAK
GND
r
ON
= 6
Ω
ICM7245
+3.3V
GND
SEG
+3.3V
136
Ω
2N2219
(100mA
PEAK
)
1.4A
PEAK
GND
r
ON
= 6
Ω
ICM7245
+3.3V
GND
SEG
300
Ω
GND
+3.3V
1k
1k
25
Ω
1k
CHAR
2N6034
P1-P3
P4-P6
P7-P9
P10-P12
P13-P13
ICM7245AIM44Z
Mfr. #:
Buy ICM7245AIM44Z
Manufacturer:
Renesas / Intersil
Description:
LED Display Drivers 8-CHAR uP LED DRIVER
Lifecycle:
New from this manufacturer.
Delivery:
DHL
FedEx
Ups
TNT
EMS
Payment:
T/T
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