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LM809M3X-4.63 Datasheet(PDF) 1 Page - Texas Instruments

No. de pieza LM809M3X-4.63
Descripción Electrónicos  LM809/LM810 3-Pin Microprocessor Reset Circuits
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Fabricante Electrónico  TI [Texas Instruments]
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LM809M3X-4.63 Datasheet(HTML) 1 Page - Texas Instruments

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LM809, LM810
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SNVS052D – SEPTEMBER 1999 – REVISED MAY 2013
LM809/LM810 3-Pin Microprocessor Reset Circuits
Check for Samples: LM809, LM810
1
FEATURES
DESCRIPTION
The LM809/810 microprocessor supervisory circuits
2
Precise Monitoring of 3V, 3.3V, and 5V Supply
can be used to monitor the power supplies in
Voltages
microprocessor and digital systems. They provide a
Superior Upgrade to MAX809/810
reset to the microprocessor during power-up, power-
Fully Specified Over Temperature
down and brown-out conditions.
140ms Min. Power-On Reset Pulse Width,
The function of the LM809/810 is to monitor the VCC
240ms Typical
supply voltage, and assert a reset signal whenever
this voltage declines below the factory-programmed
Active-Low RESET Output (LM809)
reset threshold. The reset signal remains asserted for
Active-High RESET Output (LM810)
240ms after VCC rises above the threshold. The
Ensured RESET Output Valid for VCC≥1V
LM809 has an active-low RESET output, while the
LM810 has an active-high RESET output.
Low Supply Current, 15µA Typ
Power Supply Transient Immunity
Seven standard reset voltage options are available,
suitable for monitoring 5V, 3.3V, and 3V supply
APPLICATIONS
voltages.
Microprocessor Systems
With a low supply current of only 15µA, the
LM809/810 are ideal for use in portable equipment.
Computers
The LM809/LM810 are available in the 3-pin SOT-23
Controllers
package and in the 6-Lead SON package.
Intelligent Instruments
Portable/Battery-Powered Equipment
Automotive
Connection Diagrams
Typical Application Circuit
Top View
Top View
Figure 1. 3-Lead
Figure 2. 6-Lead
SOT-23-3 Package
SON Package
See Package Number
See Package Number
DBZ
NGB0006A
( ) are for LM810
() are for LM810
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 1999–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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