Notes on High-Temperature Operation of RX210/220/21A Group Microcontrollers
2023-09-22
●Introduction
■Renesas provides RX Family microcontrollers that operate within guaranteed operating ranges of -40 to 85°C and -40 to 105°C. These products are guaranteed to operate within the stipulated range. Note, however, that the quality and reliability of semiconductor devices is influenced greatly by the environment in which they are used. That is, even for products with the same quality level, if one is operated in a more severe environment, its reliability will be reduced.
■Inversely, if one is used in a less severe environment, its reliability will increase. For example, if a device is used under extremely severe conditions such as those used for lifetime testing, this can result in wear-out failures, even if the environment is within the maximum ratings.
■This application note presents notes on operating environments under which RX210/220/21A Group microcontrollers are used in high-temperature (85 to 105°C) applications.
■Renesas provides RX Family microcontrollers that operate within guaranteed operating ranges of -40 to 85°C and -40 to 105°C. These products are guaranteed to operate within the stipulated range. Note, however, that the quality and reliability of semiconductor devices is influenced greatly by the environment in which they are used. That is, even for products with the same quality level, if one is operated in a more severe environment, its reliability will be reduced.
■Inversely, if one is used in a less severe environment, its reliability will increase. For example, if a device is used under extremely severe conditions such as those used for lifetime testing, this can result in wear-out failures, even if the environment is within the maximum ratings.
■This application note presents notes on operating environments under which RX210/220/21A Group microcontrollers are used in high-temperature (85 to 105°C) applications.
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