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| 型号： | STM8AH5168TAX |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP48 |
| 封装： | 7 X 7 MM, ROHS COMPLIANT, LQFP-48 |
| 文件页数： | 110/112页 |
| 文件大小： | 2161K |
| 代理商： | STM8AH5168TAX |
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STM8AF61xx, STM8AH61xx, STM8AF51xx, STM8AH51xx
Electrical characteristics
Doc ID 14395 Rev 5
11.4.2
Selecting the product temperature range
When ordering the microcontroller, the temperature range is specified in the order code (see
).
The following example shows how to calculate the temperature range needed for a given
application.
Assuming the following application conditions:
–
Maximum ambient temperature TAmax = 82 °C (measured according to JESD51-2)
–IDDmax = 8 mA
–VDD = 5 V
–
maximum 20 I/Os used at the same time in output at low-level with IOL = 8 mA
–VOL = 0.4 V
Equation 5
PINTmax = 8 mA x 5 V = 400 mW
Equation 6
PIOmax = 20 x 8 mA x 0.4 V = 64 mW
This gives:
PINTmax = 400 mW and PIOmax 64 mW:
Equation 7
PDmax = 400 mW + 64 mW
Thus:
PDmax = 464 mW.
calculated as follows:
For LQFP64 46 °C/W
Equation 8
Tjmax = 82 °C + (46 °C/W x 464 mW) = 82 °C + 21 °C = 103 ° C
This is within the range of the suffix B version parts (-40 °C < Tj < 105 ° C).
Parts must be ordered at least with the temperature range suffix B.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| STM8AH51XX | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Automotive 8-bit MCU, with up to 128 Kbytes Flash, EEPROM, 10-bit ADC, timers, LIN, CAN, USART, SPI, I2C, 3 V to 5.5 V |
| STM8AH5X23TAY | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Automotive 8-bit MCU, with up to 128 Kbytes Flash, EEPROM, 10-bit ADC, timers, LIN, CAN, USART, SPI, I2C, 3 V to 5.5 V |
| STM8AH5X26TAY | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Automotive 8-bit MCU, with up to 128 Kbytes Flash, EEPROM, 10-bit ADC, timers, LIN, CAN, USART, SPI, I2C, 3 V to 5.5 V |
| STM8AH5X27TAY | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Automotive 8-bit MCU, with up to 128 Kbytes Flash, EEPROM, 10-bit ADC, timers, LIN, CAN, USART, SPI, I2C, 3 V to 5.5 V |
| STM8AH5X2ATAY | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Automotive 8-bit MCU, with up to 128 Kbytes Flash, EEPROM, 10-bit ADC, timers, LIN, CAN, USART, SPI, I2C, 3 V to 5.5 V |
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