mic8115tuy Micrel Semiconductor, mic8115tuy Datasheet

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mic8115tuy

Manufacturer Part Number
mic8115tuy
Description
Mic8115 Microprocessor Reset Circuit
Manufacturer
Micrel Semiconductor
Datasheet

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Part Number:
MIC8115TUY
Manufacturer:
MICREL
Quantity:
422
Part Number:
MIC8115TUY
Manufacturer:
MICREL/麦瑞
Quantity:
20 000
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mic8115tuy-TR
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mic8115tuyTR
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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
CC
has risen above the designated reset
Ordering Information
Part Number
MIC8115TU
MIC8115TUY
MIC8115 Typical Application
Marking
MR
NT
NT
MIC8115
V CC
RESET
1
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
–40°C to +85°C
RESET
V CC
µP
Microprocessor Reset Circuit
MIC8115
4-lead SOT-143
4-lead SOT-143
Package
CC
as low as 1V
Pb-Free
Yes
No
MIC8115
Micrel

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mic8115tuy Summary of contents

Page 1

... The MIC8115 comes in a 4-pin SOT-143 package. Ordering Information Part Number MIC8115TU MIC8115TUY Typical Application Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com July 2005 Microprocessor Reset Circuit Features • ...

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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