SC3426 데이터 시트보기 (PDF) - Silan Microelectronics
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SC3426 Datasheet PDF : 13 Pages
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Silan
Semiconductors
SC3423
Note: 3. Applies to Pins K2 – K6, TI and S2.
4. Applies to Pin S1.
5. Applies to Pins K2 ~ K6 and TI.
6. Applies to Pin S2.
7. Applies to P1, P2, A2 ~ A5.
8. Applies to H1 ~ H3, a1 ~ a9, b1 ~ b8, c1 ~ c8.
9. Measured by the next test circuit after powe
supply automatically yurns off.
10. Measured by the next test circuit while “0” is
being displayed after auto-clear operation
and while key is not being depressed.
11. Applies to PO
32
2
SC3423
34
VSS
35
1
47
-
µA
+
IDD Test Circuit VSS
VDD
Rf=560k +/- 5%
OUTPUT
VOA
WAVEFORM 1;
VOB
Hi
VOC
T
Fd=1/T
OUTPUT
VOA
WAVEFORM 2
ai, bi, ci
VOC
PIN DESCRIPTION
Pin
No.
Symbol I/O
Description
1
S2
I APO(Auto Power Off) input
2
VDD -- Power Supply
3
H1 O Display Output (Common)
4
a1
O Display Output (Segment)
5
b1
O Display Output (Segment)
6
c1
O Display Output (Segment)
7
a2
O Display Output (Segment)
8
b2
O Display Output (Segment)
9
c2
O Display Output (Segment)
10
a3
O Display Output (Segment)
11
b3
O Display Output (Segment)
12
c3
O Display Output (Segment)
13
a4
O Display Output (Segment)
14
b4
O Display Output (Segment)
15
c4
O Display Output (Segment)
16
a5
O Display Output (Segment)
17
b5
O Display Output (Segment)
18
c5
O Display Output (Segment)
19
a6
O Display Output (Segment)
20
b6
O Display Output (Segment)
21
c6
O Display Output (Segment)
22
a7
O Display Output (Segment)
23
b7
O Display Output (Segment)
24
c7
O Display Output (Segment)
Pin
No.
Symbol I/O
25
a8
O
26
b8
O
27
c8
O
28
a9
O
29
H2
O
30
H3
O
31
VSS --
32
Po
O
33
Ti
I
34 CGout O
35 CGin I
36
K3
I
37
K2
I
38
A2
O
39
A3
O
40
A4
O
41
A5
O
42
P2
O
43
P1
O
44
K5
I
45
K6
I
46
K4
I
47
S1
I
Description
Display Output (Common)
Display Output (Segment)
Display Output (Segment)
Display Output (Segment)
Display Output (Common)
Display Output (Common)
Ground
Piezo Output
Test Input
Resistor terminal for CG
Resistor terminal for CG
Key input
Key input
Strobe output
Strobe output
Strobe output
Strobe output
Strobe output
Strobe output
Key input
Key input
Key input
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0
2000.12.31
3
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