ICM7243_05 Datasheet, PDF (7/14 Pages) Intersil Corporation – 8-Character, Microprocessor-Compatible, LED Display Decoder Driver

Test Circuit
ICM7243
17 SEGMENTS
CHAR 8 CHAR 7 CHAR 6 CHAR 5 CHAR 4 CHAR 3 CHAR 2 CHAR 1
V_{DD 1}
SEG l
40
SEG m
2
SEG g2
39
SEG e
3
SEG g1
4
SEG b
38
SEG i
37
8 CHARACTERS
SEGMENTS
SEG k
5
SEG c
6
SEG f
36
SEG d2
35
SEGMENTS
SEG d1
7
DP
34
SEG a1
8
SEG h
33
SEG a2
9
SEG j
32
V_DD
D0
MODE (SA/RA)
10
ICM7243A
31
V_DD
D1
A0/SEN
11
30
D2
12
D3
13
D4
14
A1/CLR
29
A2/DISP FULL
28
27 OSC/OFF
DISPLAY
FULL
OUTPUT
D5
15
CS
16
CHAR 1
26
CHAR 2
25
V_DD
NC (FOR SA MODE)
WR
17
CHAR 3
24
CHAR 8
18
CHAR 4
23
CHAR 7
19
22 ^VSS
CHAR 6
20
21
CHAR 5
FIGURE 6.
7
FN3162.3
October 28, 2005