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SC3442 Datasheet(PDF) 3 Page - Silan Microelectronics Joint-stock

Part # SC3442
Description  SCIENTIFIC 10DIGITS CALCULATOR CIRCUIT
PDF  20 Pages
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Manufacturer  SILAN [Silan Microelectronics Joint-stock]
Direct Link  http://www.silan.com.cn
Logo SILAN - Silan Microelectronics Joint-stock

SC3442 Datasheet(HTML) 3 Page - Silan Microelectronics Joint-stock

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SC3442
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
REV:1.2
2007.04.17
Http: www.silan.com.cn
Page 3 of 21
PIN DESCRIPTION
Pin No.
Signal
Description
Pin No.
Signal
Description
1
a9
LCD
21
COM4
Common Signal 4
2
b9
LCD
22
a0(KO)
LCD (Key Output)
3
a10
LCD
23
b0(KO)
LCD (Key Output)
4
b10
LCD
24
a1(KO)
LCD (Key Output)
5
a11
LCD
25
b1(KO)
LCD (Key Output)
6
b11
LCD
26
a2(KO)
LCD (Key Output)
7
a12
No Connection
27
b2(KO)
LCD (Key Output)
8
b12
No Connection
28
a3(KO)
LCD (Key Output)
9
a13
LCD
29
b3(KO)
LCD (Key Output)
10
b13
LCD
30
a4(KO)
LCD (Key Output)
11
COM3
Common Signal 3
31
b4(KO)
LCD (Key Output)
12
COM2
Common 2
32
a5(KO)
LCD (Key Output)
13
KI4
Key Input 4
33
b5(KO)
LCD (Key Output)
14
KI8
Key Input 8
34
a6(KO)
LCD (Key Output)
15
GND
Ground
35
b6(KO)
LCD (Key Output)
16
VDD
VDD (+3V)
36
a7
LCD
17
DEN
Dump Enable
37
b7
LCD
18
KI1
Key Input 1
38
a8
LCD
19
KI2
Key Input 2
39
b8
LCD
20
COM1
Common Signal 1
KEY CONNECTIONS
1st F
2nd F
HEX
STAT
0
%
=
)
RND
∑ x2
∑ x
x
M
n
X
s
δ
RM
M+
CD
DATA
--
HEX
3
1
4
7
+/-
D
DMS
DEG
1st F
2nd F
HEX
2nd F
+
DEC
(
2
x
X
6
9
5
8
yx
B
EXP
A
hyp
archyp
BIN
OCT
π
y
x
1st F
2nd F
HEX
OFF
n!
CE
CPLX
TAB
tan
tan-1
C
F
E
b
x2
1/x
a
r
θ
cos
cos-1
log
10x
F
in
ex
E
sin
sin-1
DRG
xy
3
DRG
ON/C
STAT
Note:
= Statistic Mode Keys
29
30
31
32
33
34
35
36
37
38
39
40
41
42
KI8
14
KI4
13
KI2
26
KI1
25
21or44
y



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