MIK9042T
Scientific Calculator IC
June 2002
Functions
-
Six operations.
ћ Four operation (+, -, x, џ )
ћ –y
ћ Parenthesis
ћ y
x
ћ Auto constant
ћ Percentage
- Memory calculation
ћ Independent single memory (xM, RM, M+).
- Four operations complex number calculation
- 1-variable functions
ћ Trigonometric and arctrigonometric function
ћ Hyperbolic and archyperbolic function
ћ Factorial
ћ Square root and cube root
ћ Angular mode conversion
ћ Time conversions
ћ Reciprocal and square
- 2-variable functions
ћ Polar-rectangular coordinate conversion
- Statistics calculations
ћ Number of sample (n)
ћ Total of all data (x)
ћ Total of square of all data (x
2
)
ћ2 kinds of the standard deviation (S
)
ћ Average (x)
- Binary, octal, decimal and hexadecimal number calculations
ћ Mutual conversions and calculation of binary, octal, decimal,
and hexadecimal numbers
- Display conversion
ћ Conversion and setting of floating and engineering displays
Features
-
Display
ћ 10 display digits plus negative code digit
ћ 8 mantissa digits plus 2 exponent digits plus 2 negative code
digits
- 14 kinds of special display
M Memory
GRAD
Gradient
- Minus
( )
Parenthesis
E Error
BIN
Binary mode
2ndF 2
nd
Function OCT
Octal mode
HYP Hyperbolic HEX
Hexadecimal mode
DEG Degree
CPLX
Complex number mode
RAD Radian
STAT
Statistic calculation
mode
- The minus sign of the mantissa is floating minus
- Mutual conversion and calculation in arithmetic among binary,
octal, decimal, and hexadecimal numbers
- One independent accumulating memory
- It is possible to convert and fix the display number system by the
F
E key
- It is possible to specify decimal part digits by the TAB key
- Direct drive for LCD (1/3 preblias, 1/4 duty)
- Automatic power off (about 7.5 minutes)
- Low power consumption V
DD
=3.0V single power supply
- Bare chip available
Electrical Characteristics
(Ta=25
0
C, V
DD
=+3.0
0.2V, V
SS
=0V; unless otherwise specified)
Symbol
Parameter
Pin Name
Test Conditions
Min
Typ
Max
Unit
Operating
Voltage
2.5
3
3.4
V
Idis
V
DD
=3V, Stand by
20
35
A
Iopr
V
DD
=3V, Operation
70
120
A
Ioff
Supply Current
V
DD
=3V, Off
1
3
A
Fdis
V
DD
=3V, Stand by
30
45
KHz
Fopr
Osc Frequency
V
DD
=3V, Operation
200
280
KHz
Ft Frame
Frequency
V
DD
=3V, Stand by
110
180
Hz
Tapo
Auto Power Off
V
DD
=3V 300
430
600
Sec
V
IH
High Input Voltage
K18-K11
V
DD
-0.5 V
DD
V
V
IL
Low Input Voltage
K18-K11
V
SS
V
SS
+0.5 V
V
OH
High Output Voltage
K18,K14,K12
V
DD
-0.2 V
DD
V
DD
V
V
OL
Low Output Voltage
K11
V
SS
V
SS
V
SS
+0.2 V
Rpd
Key Pull Down Res
K11
V
OUT
=0V 30
50
70
k
Rpu
Key Pull Up Res
K18,K14,K12
V
OUT
= V
DD
30
50
70
k
V
OH
High Output Voltage
LCD,COM
V
DD
-0.2 V
DD
V
DD
-0.2 V
V
OM
LCD,COM
2/3
V
DD
-0.2 2/3
V
DD
2/3
V
DD
+0.2 V
V
OM
"M" Output Voltage
LCD,COM
1/3
V
DD
-0.2 1/3
V
DD
1/3
V
DD
+0.2 V
V
OL
Low Output Voltage
LCD,COM
V
SS
V
SS
V
SS
+0.2 V
Page 1 of 3
MIK9042T
Scientific Calculator IC
June 2002
Pad location MIK9042T
25
24
23
22
21
20
19
18
17
16
3
4
5
6
7
8
9
10
11
12
13
14
15
MIK9042T
0
Y
X
28
29
30
31
32
33
34
35
36
37
38
39
40
27
26
2
1
45
44
43
42
41
Chi p size: 4350 x 3370 m
Pad size: 100 x 100 m
2
2
PAD LOCATION COORDITATES
Coordinates Coordinates
Pad
N
X Y
Pad
N
X Y
1 2032.5 1123.8 24 -2034.6 -478.3
2 2032.5 1541.0 25 -2034.6 -756.0
3 1570.8 1541.0 26 -2034.6 -981.0
4 1395.7 1541.0 27 -2034.6 -1206.0
5 1098.8 1540.9 28 -1780.3 -1539.8
6 927.8 1540.9 29
-1555.3 -1539.8
7 662.3 1540.9 30
-1340.3 -1539.8
8 449.9 1540.9 31
-1030.1 -1539.8
9 217.2 1540.9 32 -805.1 -1539.8
10 -15.4 1540.9 33 -508.1 -1539.8
11 -248.1 1540.9 34 -355.1 -1539.8
12 -480.7 1540.9 35 -130.1 -1539.8
13 -713.4 1540.9 36 94.9 -1539.8
14 -946 1540.9 37 289.3 -1539.8
15 -1178.7 1540.9 38 460.3 -1539.8
16 -2034.6 1287.5 39 750.9 -1539.8
17 -2034.6 1054.9 40 1972.6 -1539.8
18 -2034.6 822.2 41 2032.5 -1318.0
19 -2034.6 589.6 42 2032.5 -1021.4
20 -2034.6 356.9 43 2032.5 -591
21
-2034.6 140.1 44 2032.5 -393.7
22 -2034.6 -174 45 2032.5 655.8
23 -2034.6 -245.6
Page 3 of 3
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