Datasheet > G630/1

G630/1

更新时间： 2024-11-17 17:00:47

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描述
G630 is a Push-Pull Reset G631 is an Open-Drain Reset

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中文翻译

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数据手册

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G630/1 数据手册

Global Mixed-mode Technology

G630/G631

Microprocessor Reset IC

Features

General Description

Precision Monitoring of +3V, +3.3V, and +5V

Power-Supply Voltages

The G630/G631 are microprocessor (µP) supervisory

circuits used to monitor the power supplies in µP and

digital systems. They provide excellent circuit reliability

and low cost by eliminating external components and

adjustments when used with +5V, +3.3V, +3.0V- pow-

ered circuits.

Fully Specified Over Temperature

Available in two Output Configurations

Push-Pull RESET Output (G630)

Open-Drain RESET Output (G631)

220ms min Power-On Reset Pulse Width

10µA Supply Current

Guaranteed Reset Valid to V_CC= +1V

Power Supply Transient Immunity

No External Components

These circuits perform a single function: they assert a

reset signal whenever the V_CCsupply voltage declines

below a preset threshold, keeping it asserted for at

least 220ms after V_CChas risen above the reset

threshold. Reset thresholds suitable for operation with

a variety of supply voltages are available.

3-Pin SOT-23 Packages

The G631 has an open-drain output stage, while the

G630 have push-pull outputs. The G631’s open-drain

Applications

Computers

RESET output requires a pull-up resistor that can be

connected to a voltage higher than V_CC. The G630

Controllers

Intelligent Instruments

Critical µP and µC Power Monitoring

Portable / Battery-Powered Equipment

Automotive

have an active-low RESET output. The reset com-

parator is designed to ignore fast transients on V_CC,

and the outputs are guaranteed to be in the correct

logic state for V_CCdown to 1V.

Low supply current makes the G630/G631 ideal for use

in portable equipment. The G630/G631 are available in

3-pin SOT-23 packages.

Ordering Information

ORDER

NUMBER

RESET

THRESHOLD(V)

TEMP.

RANGE

PACKAGE

(Green)

MARKING

OUTPUT TYPE

G630L293T73U

G631L293T73U

Note: T7: SOT-23

630Ax

631Ax

2.93

SOT-23

-40°C ~ +105°C

Push-Pull

Open-Drain

3: Bonding Code

U: Tape & Reel

Pin Configuration

Typical Application Circuit

V_CC

VCC

V_CC

R_PULL-UP

µP

G630/G631

RESET

INPUT

RESET

GND

RESET

SOT-23

* G631 ONLY

ICC may increased at high T_A, Therefore, can not connect

Resistors to VCC to prevent Icc abnormal behavior at high T_A.

TEL: 886-3-5788833

http://www.gmt.com.tw

Ver:0.1

Mar 07, 2013

中文翻译

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