SM72240MF-3.08

Manufacturer Part NumberSM72240MF-3.08
DescriptionSolarMagic 5-Pin Microprocessor Reset Circuit
ManufacturerTI1 [Texas Instruments]
SM72240MF-3.08 datasheet
 


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SM72240
SM72240 SolarMagic 5-Pin Microprocessor Reset Circuit
Literature Number: SNIS154B

SM72240MF-3.08 Summary of contents

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    SM72240 SM72240 SolarMagic 5-Pin Microprocessor Reset Circuit Literature Number: SNIS154B ...

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    SolarMagic 5-Pin Microprocessor Reset Circuit General Description The SM72240 microprocessor supervisory circuit monitors the power supplies in microprocessor and digital systems. It provides a reset to the microprocessor during power-up, pow- er-down, brown-out conditions, and manual reset. The SM72240 asserts ...

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    ... MR pin goes high. May be left open. Supply Voltage (+5V, nominal) Supplied as 1000 Supplied as 3000 units, tape & reel units, tape & reel SM72240MF–4.63 SM72240MFX–4.63 SM72240MF–3.08 SM72240MFX–3. below the reset threshold voltage, CC Package Package NSC ...

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    Block Diagram SM72240 Block Diagram 3 30141435 www.national.com ...

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    Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications RESET, RESET Input Current, V Pin CC Output Current, RESET, RESET Pin Electrical Characteristics Typical ...

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    Typical Performance Characteristics Supply Current vs V Reset Timeout vs V Normalized V vs Temperature TH Supply Current vs Temperature CC 30141403 Reset Timeout vs Temperature CC 30141404 30141416 5 30141407 30141408 V vs Current OL 30141405 www.national.com ...

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    Low V Characteristics CC Timing Diagram www.national.com 30141406 6 30141412 ...

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    Circuit Information RESET OUTPUT The reset input of a µP initializes the device into a known state. The SM72240 microprocessor voltage monitoring cir- cuit asserts a forced reset output to prevent code execution errors during power-up, power-down, and brownout condi- ...

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    NEGATIVE-GOING V TRANSIENTS CC The SM72240 is relatively immune to short negative-going transients or glitches Figure 2 CC pulse width a negative-going V transient can have without CC causing a reset pulse. In general, as the magnitude ...

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    Physical Dimensions inches (millimeters) unless otherwise noted For Ordering, refer to Ordering Information table 5-Lead SOT23-5 NS Package Number MF05A 9 www.national.com ...

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    For more National Semiconductor product information and proven design tools, visit the following Web sites at: www.national.com Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock and Timing www.national.com/timing Data Converters www.national.com/adc Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs ...

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    Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the ...