SC7461 datasheet(3/14 Pages) SILAN

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Silan

Semiconductors

SC7461

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 2.2

2002-02-28.

ABSOLUTE MAXIMUM RATING (Tamb=25°C, unless otherwise specified)

Characteristic

Symbol

Description

Value

Unit

Maximum Supply Voltage

VDD(max)

VDD

Vss-0.3~10

Input Voltage

VIN

Each Input pin

Vss-0.3~VDD+0.3

Output Voltage

VOUT

Vss-0.3~VDD+0.3

Output Current

IOUT

OUT

-35

Allowable Power Dissipation

Pd(max)

Ta<=85

°C

150

Storage Temperature

Tstg

-40~+125

°C

Operating Temperature

Topr

-10~+70

°C

ELECTRICAL CHARACTERISTICS (Tamb=25°C,VDD=3.0V,unless otherwise specified)

Parameter

Symbol

Test conditions

Min

Typ

Max

Unit

Operating Supply Current

IDD

Key ON, Output: no load

Quiescent Supply Current

IDS

All keys OFF, OSC stops

µA

IOH1

VDD=1.8V, VOH=1.0V

-8

High Level Output Current

IOH2

VDD=3.0V, VOH=2.0V

-25

High Level Output Voltage

VOH

IOH=1mA

2.4

Low Level Output Voltage

VOL

IOL=1mA

0.2

Output OFF-State Leakage Current

IOFF

µA

Custom Code High Level Input Current

IIH

VIN=VDD

µA

Custom Code Low Level Input Current

IIL

VIN=VSS

-1

µA

Input Floating Voltage

VIF

0.1VDD

Input Pull-Down Resistance

RIN

100

125

Ω

RECOMMENDED OPERATING CONDITIONS

(Tamb=25

°C, fosc=455kHz,unless otherwise specified)

Characteristic

Symbol

Min.

Typ.

Max.

Unit

Supply Voltage

VDD

2.0

3.0

3.3

High Level Input Voltage

VIH

0.7VDD

VDD

Low Level Input Voltage

VIL

Vss

0.3VDD

Oscillation Frequency

fosc

400

455

500

KHz

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