SC3442 Ver la hoja de datos (PDF) - Silan Microelectronics
Número de pieza
componentes Descripción
Fabricante
SC3442 Datasheet PDF : 23 Pages
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Silan
Semiconductors
SC3442
ELECTRICAL CHARACTERISTICS (VDD=+3.0V±0.2V, VSS=0V,Tamb=25~70°C)
Parameter
Symbol
Condition
Min
Typ
Operating Voltage
VDD --
2.5
3
Idis VDD=3V, Stand by
20
Supply current
Iopr VDD=3V, Operation
70
Ioff VDD=3V, Off
1
Osc frequency
Fdis VDD=3V, Stand by
30
45
Fopr VDD=3V, Operation
200
Frame frequency
Ff VDD=3V, Stand by
110
180
Auto power off
Iapo VDD=3V
300
430
High input voltage (KI8~KI1)
VIH --
VDD-0.5
Low output voltage (KI8~KI1)
VIL --
VSS
High output voltage (KI8, KI4, KI2)
VOH --
VDD-0.2
VDD
Low output voltage (KI1)
VOL --
VSS
VSS
Key pull down resistance (KI1)
Fpd Vout=0V
30
50
Key pull up resistance (KI8, KI4, KI2) Rpu Vout=VDD
30
50
High output voltage (LCD, COM)
VOH --
VDD-0.2
VDD
“M” output voltage (LCD, COM)
VOM --
2/3 VDD
-0.2
2/3 VDD
“M” output voltage (LCD, COM)
VOM --
1/3 VDD
-0.2
1/3 VDD
Low output voltage (LCD, COM)
VOL --
VSS
VSS
Max
3.4
35
120
3
280
600
VDD
VSS+0.5
VDD
VSS+0.2
70
70
VDD
2/3 VDD
+0.2
1/3 VDD
+0.2
VSS+0.2
Unit
V
µA
µA
µA
kHz
kHz
Hz
Sec
V
V
V
V
kΩ
kΩ
V
V
V
V
BASIC SPECIFICATIONS
1. NUMBER OF DISPLAY DIGITS
• 10-digit display and 14 kinds of special displays
• Engineering display
• Max mantissa 8 digits plus exponent 2 digits plus each negative code digit
• Normal display
Max. 10 mantissa digits plus 1 negative code 6 digit
2. CLASSIFICATION OF OPERATION MODE
The following 6 types of operation mode are set by the 2ndF key and below keys:
2ndF STAT : Statistic calculation mode are set
2ndF CPLX : Complex number calculation mode set
2ndF - BIN : Binary mode set
2ndF - OCT : Octal mode set
2ndF - HEX : Hexadecimal mode set
2ndF - DEC : Decimal mode set
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0 2000.12.20
3
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