ICM7228 Datasheet, PDF (17/17 Pages) Intersil Corporation – 8-Digit, Microprocessor- Compatible, LED Display Decoder Driver

Test Circuits (Continued)
ICM7228
V_DD
+
5V
-
V_SS
1
28
2
27
3
26
4
25
DIGIT ADDRESS 0
5
24
DIGIT ADDRESS 1
6
23
ID7 (D.P.)
7
22
WRITE
8
ICM7228D
21
HEXA/CODE B/SHUTDOWN
9
20
DIGIT ADDRESS 2
10
19
ID1
11
18
ID0
12
17
ID2
13
16
ID3
14
15
V_DD
47µF
+0.1µF
V_SS
g
f
e
D8 D7 D6 D5 D4 D3 D2 D1
c
d
b
a
DP
COMMON ANODE DISPLAY
FIGURE 19. FUNCTIONAL TEST CIRCUIT #2
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Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time without
notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate
and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which
may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
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