www.aplusinc.com.tw

Page

/ 13

2002 Ver.2

7

PIN DESCRIPTION:

PAD NAME

PIN ATTR.

FUNCTION

VDD,VDD1

POWER

POSITIVE POWER SUPPLY.

OSC

I

OSCILLATOR INPUT (300K ohm CONNECT TO VDD).

TEST

I

TEST PAD,FOR PRODUCTION TESTING (TEST HIGH FOR TESTING)

MODE/STS4

I/O

I/O PAD , MODE : MODE SELECTION , STS4 : STATUS OUTPUT

ROW 1-4

I/O

OUTPUT FOR MATRIX MODE ; INPUT FOR ALONE MODE

COL 1-4

I

TRIGGER INPUT , INTERNAL PULL LOW ( HIGH ACTIVE )

OUT1

O

STATUS OUTPUT OR AUDIO ( CURRENT OUTPUT )

OUT2

O

STATUS OUTPUT OR AUDIO ( PWM1 OUTPUT )

OUT3

O

STATUS OUTPUT OR AUDIO ( PWM2 OUTPUT )

GND,GND1

POWER

NEGATIVE POWER SUPPLY.

ABSOLUTE MAXIMUM RATING:

SYMBOL

RATING

UNIT

VDD~VSS

-0.5~+7.0

V

VIN (FOR ALL INPUT)

VSS-0.3<VIN<VDD+0.3

V

VOUT (FOR ALL OUTPUT)

GND<VOUT<VDD

V

T (OPERATING)

0~+70

℃

T (STORAGE)

-25~+75

℃

DC CHARACTERISTICS:

SYMBOL

PARAMETER

MIN.

TYP.

MAX.

UNIT

CONDITION

VDD

OPERATING VOLTAGE

2.4

3

5

V

Isb

STANDBY

0.1

Iop

SUPPLY

CURRENT

OPERATING

200

uA

VDD=3V ,I/O OPEN

(WITH Rosc)

Iih

5

Iil

INPUT CURRENT ROW1-4, COL1-4

IN ALONE MODE

( SCHMITT 270K - 1M )

0

uA

VDD=3V

Iih

0.3

Iil

INPUT CURRENT ROW1-4, COL1-4

IN ALONE MODE

( SCHMITT 270K - 10M )

0

uA

VDD=3V

Iih

0.5

Iil

INPUT CURRENT

MODE INPUT

0

uA

VDD=3V

Ioh

-0.6

VDD=3V , V O/P=0V

Iol

MATRIX MODE ( ROW 1 - 4 )

OUTPUT CURRENT

10

mA

VDD=3V , V O/P=3V

-1.2

-1.5

-1.8

-2.4

-3

-3.6

Icout

OUT1 USE AS

CURRENT OUT

(FULL SCALE)

-3.6

-4.5

-5.4

mA

VDD=3V, V O/P=0.7V

Ioh

-0.6

VDD=3V, V O/P=0V

Iol

OUT1,OUT2,OUT3

USE AS STATUS OUTPUT

DURING OPERATING

8

10

12

mA

VDD=3V, V O/P=3V

dF/F

FREQUENCY

STABILITY

-10

10

Fosc(3v)-Fosc(2.4v)

Fosc(3v)

dF/F

Fosc VARIATION

-10

10

VDD=3V,Rosc=300K