MIC8115TUY TR Micrel Inc, MIC8115TUY TR Datasheet

Reset Generator, AMD SC500, Active Low, 3.08V VTH, SOT-143 -

MIC8115TUY TR

Manufacturer Part Number

MIC8115TUY TR

Description

Reset Generator, AMD SC500, Active Low, 3.08V VTH, SOT-143 -

Manufacturer

Micrel Inc

Type

Simple Reset/Power-On Resetr

Datasheet

1.MIC8115TUY_TR.pdf (6 pages)

Specifications of MIC8115TUY TR

Number Of Voltages Monitored

Output

Push-Pull, Totem Pole

Reset

Active Low

Reset Timeout

1.1 s Minimum

Voltage - Threshold

3.08V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

SOT-143, SOT-143B, TO-253AA

Number Of Elements

Monitored Voltage 1 (typ)

3.3V

Battery Backup Switching

Watchdog Timer

Chip Enable Signals

Reset Active Time

2500msms

Manual Reset

Yes

Package Type

SOT-143

Operating Supply Voltage (min)

Operating Supply Voltage (max)

5.5V

Reset Threshold Voltage (max)

3.15V

Reset Threshold Voltage (min)

Power Dissipation

320mW

Operating Temp Range

-40C to 85C

Operating Temperature Classification

Industrial

Power Fail Detection

Mounting

Surface Mount

Pin Count

3 +Tab

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

576-1323-2

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General Description

The MIC8115 is an inexpensive microprocessor supervisory

circuit that monitors power supplies in microprocessor based

systems.

The function of this device is to assert a reset if the power

supply drops below a designated reset threshold level or

/MR is forced low.

The MIC8115 has an active low /RESET output. The reset

output is guaranteed to remain asserted for a minimum of

1100ms after V

threshold level. The MIC8115 comes in a 4-pin SOT-143

package.

Typical Application

July 2005

MIC8115

Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

has risen above the designated reset

Ordering Information

Part Number

MIC8115TU

MIC8115TUY

MIC8115 Typical Application

Marking

MIC8115

V CC

RESET

Operating Temp. Range

Features

• Precision voltage monitor for 3.3V power supplies

• Speciﬁcally tailored to the AMD Elan SC500 Series

• /RESET remains valid with V

• 5µA typical supply current

• 1100ms minimum reset pulse width

• Manual reset input

• Available in 4-Pin SOT-143 Package

Applications

• Portable equipment

• Intelligent instruments

• Critical microprocessor power monitoring

• Printers/computers

• Embedded controllers

V CC

–40°C to +85°C

RESET

V CC

µP

Microprocessor Reset Circuit

MIC8115

4-lead SOT-143

Package

as low as 1V

Pb-Free

Yes

MIC8115

Micrel

Related parts for MIC8115TUY TR

MIC8115TUY TR Summary of contents

Page 1

MIC8115 General Description The MIC8115 is an inexpensive microprocessor supervisory circuit that monitors power supplies in microprocessor based systems. The function of this device is to assert a reset if the power supply drops below a designated reset threshold level ...

Page 2

MIC8115 Pin Conﬁguration Pin Description Pin Number Pin Name 1 GND 2 /RESET 3 / MIC8115 GND MIC8115 RESET 4-Lead SOT-143 Pin Function IC Ground Pin /RESET goes low if either V ...

Page 3

MIC8115 Absolute Maximum Ratings Terminal Voltage (V ) ...........................................................–0.3V to 6.0V CC (/MR) ..................................................–0.3V (V Input Current (V , /MR) ............................................ 20mA CC Output Current (/RESET) ........................................... 20mA Rate of Rise (V ) ..................................................100V/µS CC Lead Temperature (soldering, 10 sec.) ...

Page 4

MIC8115 Functional Diagram MR ( (4) MIC8115 V CC RESET GENERATOR + - Reset Threshold (V) GND (1) 4 Micrel RESET (2) July 2005 ...

Page 5

MIC8115 Applications Information Microprocessor Reset The /RESET pin is asserted whenever V reset threshold voltage. The reset pin remains asserted for a period of 1100ms after V has risen above the reset thresh- CC old voltage. The reset function ensures ...

Page 6

MIC8115 Package Information 0.950 (0.0374) TYP 3.05 (0.120) 2.67 (0.105) 0.800 (0.031) TYP 0.400 (0.016) TYP 3 PLACES MICREL, INC. 1849 FORTUNE DRIVE SAN JOSE, CA 95131 USA + 1 (408) 944-0800 TEL The information furnished by Micrel in this ...

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