MIC809 datasheet(1/8 Pages) MICREL

tên linh kiện	MIC809

Giải thích chi tiết về linh kiện	Microprocessor Reset Circuits

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nhà sản xuất	MICREL [Micrel Semiconductor]

Trang chủ	http://www.micrel.com

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The MIC809/MIC810 are inexpensive microprocessor

supervisory circuits that monitor power supplies in

microprocessor based systems.

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.

1

2

3 VCC

GND

MIC809

RESET

1

2

3 VCC

GND

MIC810

RESET

Top View

Part

Package

Temp. Range

MIC809_U

3-Lead SOT23

-40°C to +85°C

MIC810_U

3-Lead SOT23

-40°C to +85°C

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

blank to complete the part number.

· Portable Equipment

· Intelligent Instruments

· Critical Microprocessor Power Monitoring

· Printers/Computers

· Controllers

· RESET Remains Valid with VCC as Low

as 1.4V

· Precision Voltage Monitor for 3V, 3.3V

or 5V Power Supplies

· Available in 3-Pin SOT23 Package

· <15µA Supply Current

· 140ms Minimum Reset Pulse Width

· No External Components Required

8++

4-5-6

µP

4-5-6

8++

MIC809

8++

Typical Operating Circuit

Features

Description

Pin Configuration

Ordering Information

Typical Applications

Reset Threshold

Device

Voltage (V)

Suffix

4.63

L

4.38

M

4.00

J

3.08

T

2.93

S

2.63

R

MIC809/MIC810 Microprocessor Reset Circuits

MIC809/MIC810

Microprocessor Reset Circuits

Số phần tương tự - MIC809

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