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SC3426 数据表(PDF) 3 Page - Silan Microelectronics Joint-stock

部件名 SC3426
功能描述  8-DIGIT CALCULATOR
PDF  13 Pages
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制造商  SILAN [Silan Microelectronics Joint-stock]
网页  http://www.silan.com.cn
标志 SILAN - Silan Microelectronics Joint-stock

SC3426 数据表(HTML) 3 Page - Silan Microelectronics Joint-stock

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Silan
Semiconductors
SC3423
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0
2000.12.31
3
SC3423
VSS
+
-
2
1
47
µA
VDD
34
35
32
IDD Test Circuit
Rf=560k +/- 5%
VSS
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
T
Fd=1/T
OUTPUT
WAVEFORM 1;
Hi
VOA
VOB
VOC
VOA
VOC
OUTPUT
WAVEFORM 2
ai, bi, ci
PIN DESCRIPTION
Pin
No.
Symbol I/O
Description
Pin
No.
Symbol I/O
Description
1
S2
I
APO(Auto Power Off) input
25
a8
O
Display Output (Common)
2VDD
--
Power Supply
26
b8
O
Display Output (Segment)
3
H1
O
Display Output (Common)
27
c8
O
Display Output (Segment)
4
a1
O
Display Output (Segment)
28
a9
O
Display Output (Segment)
5
b1
O
Display Output (Segment)
29
H2
O
Display Output (Common)
6
c1
O
Display Output (Segment)
30
H3
O
Display Output (Common)
7
a2
O
Display Output (Segment)
31
VSS
--
Ground
8
b2
O
Display Output (Segment)
32
Po
O
Piezo Output
9
c2
O
Display Output (Segment)
33
Ti
I
Test Input
10
a3
O
Display Output (Segment)
34
CGout
O
Resistor terminal for CG
11
b3
O
Display Output (Segment)
35
CGin
I
Resistor terminal for CG
12
c3
O
Display Output (Segment)
36
K3
I
Key input
13
a4
O
Display Output (Segment)
37
K2
I
Key input
14
b4
O
Display Output (Segment)
38
A2
O
Strobe output
15
c4
O
Display Output (Segment)
39
A3
O
Strobe output
16
a5
O
Display Output (Segment)
40
A4
O
Strobe output
17
b5
O
Display Output (Segment)
41
A5
O
Strobe output
18
c5
O
Display Output (Segment)
42
P2
O
Strobe output
19
a6
O
Display Output (Segment)
43
P1
O
Strobe output
20
b6
O
Display Output (Segment)
44
K5
I
Key input
21
c6
O
Display Output (Segment)
45
K6
I
Key input
22
a7
O
Display Output (Segment)
46
K4
I
Key input
23
b7
O
Display Output (Segment)
47
S1
I
24
c7
O
Display Output (Segment)



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