MIC810_U

更新时间： 2024-11-27 22:51:19

品牌	Logo	应用领域
麦瑞 - MICREL		微处理器复位电路
页数	文件大小	规格书
8页	166K
描述
Microprocessor Reset Circuits

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MIC810_U 数据手册

MIC809/MIC810 Microprocessor Reset Circuits

MIC809/MIC810

Microprocessor Reset Circuits

Description

Pin Configuration

The MIC809/MIC810 are inexpensive microprocessor

supervisory circuits that monitor power supplies in

microprocessor based systems.

Top View

The function of these devices is to assert a reset if the

power supply drops below a designated reset threshold

level. Several different reset threshold levels are

available to accomodate 3V, 3.3V or 5V powered

systems.

The MIC809 has an active low RESET output, while the

MIC810 offers an active high RESET output. The reset

output is guaranteed to remain asserted for a minimum

of 140ms after VCC has risen above the designated

reset threshold level. The MIC809/MIC810 come in a 3-

pin SOT-23 package.

Features

Typical Applications

RESET Remains Valid with V

as 1.4V

as Low

Portable Equipment

Intelligent Instruments

Precision Voltage Monitor for 3V, 3.3V

or 5V Power Supplies

Critical Microprocessor Power Monitoring

Printers/Computers

Available in 3-Pin SOT23 Package

<15µA Supply Current

Controllers

Reset Threshold

Voltage (V)

Device

Suffix

140ms Minimum Reset Pulse Width

No External Components Required

4.63

4.38

4.00

3.08

2.93

2.63

Typical Operating Circuit

Ordering Information

Part

Package

Temp. Range

-40°C to +85°C

MIC809_U

MIC810_U

3-Lead SOT23

Place the device suffix of desired reset threshold voltage from table above in

blank to complete the part number.

12 3 4 5 6 7 8

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