SC3442 datasheet(2/20 Pages) SILAN

2 / 20 page

SC3442

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

REV:1.2

2007.04.17

Http: www.silan.com.cn

Page 2 of 21

ELECTRICAL CHARACTERISTICS (VDD=+3.0V±0.2V, VSS=0V, Tamb=25~70°C)

Characteristics

Symbol

Condition

Min.

Typ.

Max.

Unit

Operating Voltage

VDD

2.5

3.4

Idis

VDD=3V, Stand by

µA

Iopr

VDD=3V, Operation

120

µA

Supply Current

Ioff

VDD=3V, Off

µA

Fdis

VDD=3V, Stand by

kHz

Osc Frequency

Fopr

VDD=3V, Operation

200

280

kHz

Frame Frequency

VDD=3V, Stand by

110

180

Auto Power Off

Iapo

VDD=3V

300

430

600

Sec

High Input Voltage (KI8~KI1)

VIH

VDD-0.5

VDD

Low Output Voltage (KI8~KI1)

VIL

VSS

VSS+0.5

High Output Voltage (KI8, KI4, KI2)

VOH

VDD-0.2

VDD

Low Output Voltage (KI1)

VOL

VSS

VSS+0.2

Key Pull Down Resistance (KI1)

Fpd

Vout=0V

Ω

Key Pull Up Resistance(KI8, KI4, KI2)

Rpu

Vout=VDD

Ω

High Output Voltage (LCD, COM)

VOH

VDD-0.2

VDD

“M”Output Voltage (LCD, COM)

VOM

2/3 VDD

-0.2

2/3 VDD

+0.2

“M”Output Voltage (LCD, COM)

VOM

1/3 VDD

-0.2

1/3 VDD

+0.2

Low Output Voltage (LCD, COM)

VOL

VSS

VSS+0.2

PAD ASSIGNMENT

SC3442 Datasheet(PDF) 2 Page - Silan Microelectronics Joint-stock

SC3442 Datasheet(HTML) 2 Page - Silan Microelectronics Joint-stock

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Datasheet Download

Link URL