MAX809_EUR-T

更新时间： 2024-11-11 11:14:47

品牌	Logo	应用领域
美信 - MAXIM		微处理器复位电路
页数	文件大小	规格书
8页	136K
描述
3-Pin Microprocessor Reset Circuits

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数据手册

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MAX809_EUR-T 数据手册

19-0344; Rev 7; 2/10

3-Pin Microprocessor Reset Circuits

39J,AX810LMRST/Z

General Description

____________________________Features

♦ Precision Monitoring of +2.5V, +3V, +3.3V, and

The MAX803/MAX809/MAX810 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 compo-

nents and adjustments when used with +5V, +3.3V,

+3.0V, or +2.5V powered circuits.

+5V Power-Supply Voltages

♦ Fully Specified Over Temperature

♦ Available in Three Output Configurations

Open-Drain RESET Output (MAX803)

Push-Pull RESET Output (MAX809)

Push-Pull RESET Output (MAX810)

♦ 140ms min Power-On Reset Pulse Width

♦ 12µA 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

supply voltage declines

below a preset threshold, keeping it asserted for at

least 140ms after V has risen above the reset thresh-

old. Reset thresholds suitable for operation with a vari-

ety of supply voltages are available.

The MAX803 has an open-drain output stage, while the

MAX809/MAX810 have push-pull outputs. The

MAX803’s open-drain RESET output requires a pullup

resistor that can be connected to a voltage higher than

♦ 3-Pin SC70 and SOT23 Packages

Ordering Information

. The MAX803/MAX809 have an active-low RESET

output, while the MAX810 has an active-high RESET

output. The reset comparator is designed to ignore fast

PART

TEMP RANGE

-40°C to +125°C

-40°C to +105°C

-40°C to +125°C

-40°C to +105°C

PIN-PACKAGE

MAX803_EXR-T

MAX803_EXR+T

MAX809_EXR-T

MAX809_EXR+T

MAX809_EUR-T

MAX809_EUR+T

MAX810_EXR-T

MAX810_EXR+T

MAX810_EUR-T

MAX810_EUR+T

3 SC70

transients on V , and the outputs are guaranteed to

3 SC70

be in the correct logic state for V

down to 1V.

3 SC70

Low supply current makes the MAX803/MAX809/

MAX810 ideal for use in portable equipment. The

MAX803 is available in a 3-pin SC70 package, and the

MAX809/MAX810 are available in 3-pin SC70 or SOT23

packages.

3 SC70

3 SOT23

3 SC70

Applications

3 SC70

Computers

Controllers

3 SOT23

Intelligent Instruments

Critical µP and µC Power Monitoring

Portable/Battery-Powered Equipment

Automotive

Note: These parts are offered in 2.5k reels, and must be

ordered in 2.5k increments. Insert the desired suffix letter from

the Selector Guide into the blank to complete the part number.

All versions of these products may not be available at the time

of announcement. Contact factory for availability.

Devices are available in both leaded and lead-free packaging.

+Denotes a lead(Pb)-free/RoHS-compliant package.

Typical Operating Circuit

Pin Configuration

TOP VIEW

GND

PULLUP

MAX803

MAX809

μP

MAX803

MAX809

MAX810

RESET

INPUT

RESET

RESET (RESET)

GND

SC70-3/SOT23-3

( ) ARE FOR MAX810.

MAX803 AVAILABLE IN SC70-3 ONLY.

*MAX803 ONLY

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7 8

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与MAX809_EUR-T相关器件

型号	品牌	获取价格	描述	数据表
MAX809_EXR+T	MAXIM	获取价格	3-Pin Microprocessor Reset Circuits
MAX809_EXR-T	MAXIM	获取价格	3-Pin Microprocessor Reset Circuits
MAX809-EURT	MAXIM	获取价格	MAX803/MAX809/MAX810 3-Pin Microprocessor Reset Circuits
MAX809-EUR-T	MAXIM	获取价格	3-Pin Microprocessor Reset Circuits
MAX809-EUR-T10	MAXIM	获取价格	3-Pin Microprocessor Reset Circuits
MAX809-EXRT	MAXIM	获取价格	MAX803/MAX809/MAX810 3-Pin Microprocessor Reset Circuits
MAX809-EXR-T	MAXIM	获取价格	3-Pin Microprocessor Reset Circuits
MAX809-EXR-T10	MAXIM	获取价格	3-Pin Microprocessor Reset Circuits
MAX809HTR	ONSEMI	获取价格	Very Low Supply Current 3−Pin Microprocessor Reset Monitors
MAX809HTRG	ONSEMI	获取价格	Very Low Supply Current 3−Pin Microprocessor Reset Monitors

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