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Summary: • You must distinguish between 'guaranteed operating conditions' and 'absolute maximum ratings'. Also between current from an eg a logic high output pin at a usefully high voltage and short circuit current from a pin. • At 80 mA you are exposing the IC to conditions that exceeds the manufacturer's guarantees for product survival and the manufacturer explicitly advises that such practices may cause permanent damage to the IC. YMMV:-) Operating and Absolute-maximum figures Manufacturers publish data that tells you what conditions they guarantee a device will meet in practice when operating normally. They also publish absolute maximum ratings for a device, beyond which damage to the device may occur. On pages 519 and 520 are tables that specify the voltage and current output conditions which Atmel guarantees.

Aug 9, 2011 - 'Absolute Maximum Ratings' are in all reputable data sheets and mean just what they say. They are the absolute maximum at which the device.

Atmega8 Datasheet Na Russkom

Not that as current increases the voltage drops due to increased voltage drop across the internal circuitry. They do not specify what current you can get when you load a high output pin down to almost 0 Volts - but you can be sure it would be more than the maximum guaranteed figure and that it would probably risk damaging the IC. The most important specification with respect to your question is on page 317 of the This says 29.1 Absolute Maximum Ratings* DC Current per I/O Pin... 40.0mA and • NOTICE Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device.

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This is a stress rating only and functional operation of the device at these or other conditions beyond those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. 'Absolute Maximum Ratings' are in all reputable data sheets and mean just what they say. They are the absolute maximum at which the device is guaranteed by the manufacturer not to suffer permanent damage at. Usually the guaranteed operating conditions are lower than the absolute maximum ratings.

You say that 'you have tried this on every pin. Note the manufacturer's comment • Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Here 'extended periods' is at the manufacturer's and Murphy's discretion.

Chances are you have not damaged the IC. But if you operate it at above maximum values you may. And if you operate it at above maximum operating values you may get misoperation in practice. 'Proper' designs must always observe operating limits set by the manufacturer.

Russkom

Most datasheets have an Absolute Maximum Ratings (AMR) section, not all manufacturers state their significance as clearly as Atmel does: Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or other conditions beyond those indicated in the operational sections of this specification is not implied.

Exposure to absolute maximum rating conditions for extended periods may affect device reliability. This is exactly what AMR is about, and it's often interpreted wrongly by starting engineers. I often have to repeat (also here on SE): You're not supposed to operate a device under these conditions, like the last sentence of the notice says.

D 76275 usb driver windows 10. One up for Atmel. Sometimes you can exceed the AMR for a few seconds without apparent damage, and then you're lucky. Exceeding maximum currents is likely to create hot spots in the die, which may cause errors only noticeable later on, but it may also have immediate and drastic effects, like burning of the bonding wire. For instance a multi-channel current driver may specify a maximum current per channel of 500mA, and that's the number everyone has read, but at the same time say maximum ground current is 1A, and that may be overlooked.

In this case it means that you can't drive all 8 outputs at 200mA simultaneously, even if they're all way below the maximum of 500mA. While die bonding wire for the ground pin may be thicker, maximum ground current is usually defined in function of this wire's capability.

Summary: • You must distinguish between \'guaranteed operating conditions\' and \'absolute maximum ratings\'. Also between current from an eg a logic high output pin at a usefully high voltage and short circuit current from a pin. • At 80 mA you are exposing the IC to conditions that exceeds the manufacturer\'s guarantees for product survival and the manufacturer explicitly advises that such practices may cause permanent damage to the IC. YMMV:-) Operating and Absolute-maximum figures Manufacturers publish data that tells you what conditions they guarantee a device will meet in practice when operating normally. They also publish absolute maximum ratings for a device, beyond which damage to the device may occur. On pages 519 and 520 are tables that specify the voltage and current output conditions which Atmel guarantees.

Aug 9, 2011 - \'Absolute Maximum Ratings\' are in all reputable data sheets and mean just what they say. They are the absolute maximum at which the device.

\'Atmega8

Not that as current increases the voltage drops due to increased voltage drop across the internal circuitry. They do not specify what current you can get when you load a high output pin down to almost 0 Volts - but you can be sure it would be more than the maximum guaranteed figure and that it would probably risk damaging the IC. The most important specification with respect to your question is on page 317 of the This says 29.1 Absolute Maximum Ratings* DC Current per I/O Pin... 40.0mA and • NOTICE Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device.

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This is a stress rating only and functional operation of the device at these or other conditions beyond those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. \'Absolute Maximum Ratings\' are in all reputable data sheets and mean just what they say. They are the absolute maximum at which the device is guaranteed by the manufacturer not to suffer permanent damage at. Usually the guaranteed operating conditions are lower than the absolute maximum ratings.

You say that \'you have tried this on every pin. Note the manufacturer\'s comment • Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Here \'extended periods\' is at the manufacturer\'s and Murphy\'s discretion.

Chances are you have not damaged the IC. But if you operate it at above maximum values you may. And if you operate it at above maximum operating values you may get misoperation in practice. \'Proper\' designs must always observe operating limits set by the manufacturer.

\'Russkom\'

Most datasheets have an Absolute Maximum Ratings (AMR) section, not all manufacturers state their significance as clearly as Atmel does: Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or other conditions beyond those indicated in the operational sections of this specification is not implied.

Exposure to absolute maximum rating conditions for extended periods may affect device reliability. This is exactly what AMR is about, and it\'s often interpreted wrongly by starting engineers. I often have to repeat (also here on SE): You\'re not supposed to operate a device under these conditions, like the last sentence of the notice says.

D 76275 usb driver windows 10. One up for Atmel. Sometimes you can exceed the AMR for a few seconds without apparent damage, and then you\'re lucky. Exceeding maximum currents is likely to create hot spots in the die, which may cause errors only noticeable later on, but it may also have immediate and drastic effects, like burning of the bonding wire. For instance a multi-channel current driver may specify a maximum current per channel of 500mA, and that\'s the number everyone has read, but at the same time say maximum ground current is 1A, and that may be overlooked.

In this case it means that you can\'t drive all 8 outputs at 200mA simultaneously, even if they\'re all way below the maximum of 500mA. While die bonding wire for the ground pin may be thicker, maximum ground current is usually defined in function of this wire\'s capability.

...'>Atmega8 Datasheet Na Russkom(23.10.2018)
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  • Summary: • You must distinguish between \'guaranteed operating conditions\' and \'absolute maximum ratings\'. Also between current from an eg a logic high output pin at a usefully high voltage and short circuit current from a pin. • At 80 mA you are exposing the IC to conditions that exceeds the manufacturer\'s guarantees for product survival and the manufacturer explicitly advises that such practices may cause permanent damage to the IC. YMMV:-) Operating and Absolute-maximum figures Manufacturers publish data that tells you what conditions they guarantee a device will meet in practice when operating normally. They also publish absolute maximum ratings for a device, beyond which damage to the device may occur. On pages 519 and 520 are tables that specify the voltage and current output conditions which Atmel guarantees.

    Aug 9, 2011 - \'Absolute Maximum Ratings\' are in all reputable data sheets and mean just what they say. They are the absolute maximum at which the device.

    \'Atmega8

    Not that as current increases the voltage drops due to increased voltage drop across the internal circuitry. They do not specify what current you can get when you load a high output pin down to almost 0 Volts - but you can be sure it would be more than the maximum guaranteed figure and that it would probably risk damaging the IC. The most important specification with respect to your question is on page 317 of the This says 29.1 Absolute Maximum Ratings* DC Current per I/O Pin... 40.0mA and • NOTICE Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device.

    Toyota vista d4 engine nadia parts. • Engine & Components 12 • • • • • • Transmission & Drivetrain 26 • • • • • • • • Suspension & Components 18 • • • • Lightings 43 • • • • • Computers & Sensors 24 • • • • • Chassis 10 • • • • Body Parts 61 • • • • • • • • Door Parts 40 • • • • • • • • Car Electronics 3 • • • • Cooling Components 27 • • • • • • Electrical Parts 51 • • • • • • • • • • • Exhaust & Components 15 • • • • Exterior Parts 5 • • Interior Parts 5 • • • • • Tires & Wheels 1 • • Brake 6 • • • • • Mirrors & Windshields 18 • • • All Other Parts 3 • Search by Make. • Engine & Components 12 • • • • • • Transmission & Drivetrain 26 • • • • • • • • Suspension & Components 18 • • • • Lightings 43 • • • • • Computers & Sensors 24 • • • • • Chassis 10 • • • • Body Parts 61 • • • • • • • • Door Parts 40 • • • • • • • • Car Electronics 3 • • • • Cooling Components 27 • • • • • • Electrical Parts 51 • • • • • • • • • • • Exhaust & Components 15 • • • • Exterior Parts 5 • • Interior Parts 5 • • • • • Tires & Wheels 1 • • Brake 6 • • • • • Mirrors & Windshields 18 • • • All Other Parts 3 • Search by Make.

    This is a stress rating only and functional operation of the device at these or other conditions beyond those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. \'Absolute Maximum Ratings\' are in all reputable data sheets and mean just what they say. They are the absolute maximum at which the device is guaranteed by the manufacturer not to suffer permanent damage at. Usually the guaranteed operating conditions are lower than the absolute maximum ratings.

    You say that \'you have tried this on every pin. Note the manufacturer\'s comment • Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Here \'extended periods\' is at the manufacturer\'s and Murphy\'s discretion.

    Chances are you have not damaged the IC. But if you operate it at above maximum values you may. And if you operate it at above maximum operating values you may get misoperation in practice. \'Proper\' designs must always observe operating limits set by the manufacturer.

    \'Russkom\'

    Most datasheets have an Absolute Maximum Ratings (AMR) section, not all manufacturers state their significance as clearly as Atmel does: Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or other conditions beyond those indicated in the operational sections of this specification is not implied.

    Exposure to absolute maximum rating conditions for extended periods may affect device reliability. This is exactly what AMR is about, and it\'s often interpreted wrongly by starting engineers. I often have to repeat (also here on SE): You\'re not supposed to operate a device under these conditions, like the last sentence of the notice says.

    D 76275 usb driver windows 10. One up for Atmel. Sometimes you can exceed the AMR for a few seconds without apparent damage, and then you\'re lucky. Exceeding maximum currents is likely to create hot spots in the die, which may cause errors only noticeable later on, but it may also have immediate and drastic effects, like burning of the bonding wire. For instance a multi-channel current driver may specify a maximum current per channel of 500mA, and that\'s the number everyone has read, but at the same time say maximum ground current is 1A, and that may be overlooked.

    In this case it means that you can\'t drive all 8 outputs at 200mA simultaneously, even if they\'re all way below the maximum of 500mA. While die bonding wire for the ground pin may be thicker, maximum ground current is usually defined in function of this wire\'s capability.

    ...'>Atmega8 Datasheet Na Russkom(23.10.2018)