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STM8A Automotive Ultra-Low-Power Microcontrollers

STMicroelectronics STM8A Automotive Ultra-Low-Power Microcontrollers (MCUs) are high-density devices that feature an enhanced STM8 CPU core. They provide increased processing power up to 16MIPS at 16MHz while maintaining the advantages of a CISC architecture. STMicroelectronics STM8A series has improved code density, a 24-bit linear addressing space and an optimized architecture for low power operations.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Core	Program Memory Size	Data RAM Size	Package / Case	Maximum Clock Frequency	ADC Resolution	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Mounting Style	Data Bus Width	Minimum Operating Temperature	Maximum Operating Temperature	Series	Qualification	Packaging
	8-bit Microcontrollers - MCU 8-Bit Automotive MCU CAN Line 128kb Flash STM8AF52A9TDY STMicroelectronics 1: S/28.80 60In Stock End of Life	Mfr. Part # STM8AF52A9TDY Mouser Part # 511-STM8AF52A9TDY End of Life	STMicroelectronics	8-bit Microcontrollers - MCU 8-Bit Automotive MCU CAN Line 128kb Flash Learn More about STMicroelectronics stm series mcus	Datasheet	60In Stock	S/28.80 S/22.15 S/19.50 S/18.18 View S/17.91 S/16.93 S/16.50 S/16.08 Quote	Min.: 1 Mult.: 1			STM8A	128 kB	6 kB	LQFP-64	24 MHz	10 bit	52 I/O	3 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 150 C	STM8AF52A9	AEC-Q100	Tray
	8-bit Microcontrollers - MCU 8-Bit Automotive MCU CAN Line 64kb Flash STM8AF5288TAY STMicroelectronics 1: S/22.97 1,400Expected 10/5/2026 End of Life	Mfr. Part # STM8AF5288TAY Mouser Part # 511-STM8AF5288TAY End of Life	STMicroelectronics	8-bit Microcontrollers - MCU 8-Bit Automotive MCU CAN Line 64kb Flash Learn More about STMicroelectronics stm series mcus	Datasheet	1,400Expected 10/5/2026	S/22.97 S/17.48 S/15.30 S/14.60 View S/13.90 S/13.16 S/12.49 S/12.30 Quote	Min.: 1 Mult.: 1			STM8A	64 kB	6 kB	LQFP-48	24 MHz	10 bit	38 I/O	3 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	STM8AF5288	AEC-Q100	Tray
	8-bit Microcontrollers - MCU 8-Bit Automotive MCU CAN Line 128kb Flash STM8AF52A8TDY STMicroelectronics 1: S/29.97 1,491Expected 12/15/2026 End of Life	Mfr. Part # STM8AF52A8TDY Mouser Part # 511-STM8AF52A8TDY End of Life	STMicroelectronics	8-bit Microcontrollers - MCU 8-Bit Automotive MCU CAN Line 128kb Flash Learn More about STMicroelectronics stm series mcus	Datasheet	1,491Expected 12/15/2026	S/29.97 S/23.08 S/20.32 S/19.46 View S/18.57 S/18.02 S/17.79 S/16.78 Quote	Min.: 1 Mult.: 1			STM8A	128 kB	6 kB	LQFP-48	24 MHz	10 bit	38 I/O	3 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 150 C	STM8AF52A8	AEC-Q100	Tray
	8-bit Microcontrollers - MCU 8-Bit Automotive MCU EEPROM 32kb Flash STM8AF6266UAY STMicroelectronics 2,940: S/7.01 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # STM8AF6266UAY Mouser Part # 511-STM8AF6266UAY	STMicroelectronics	8-bit Microcontrollers - MCU 8-Bit Automotive MCU EEPROM 32kb Flash Learn More about STMicroelectronics stm series mcus	Datasheet	Non-Stocked Lead-Time 16 Weeks	S/7.01 S/6.93	Min.: 2,940 Mult.: 2,940			STM8A	32 kB	2 kB	QFN-32	16 MHz					SMD/SMT	8 bit	- 40 C	+ 85 C	STM8AF6266	AEC-Q100	Tray
	8-bit Microcontrollers - MCU 8-Bit Automotive MCU EEPROM 32kb Flash STM8AF6266UCY STMicroelectronics 2,940: S/7.51 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # STM8AF6266UCY Mouser Part # 511-STM8AF6266UCY	STMicroelectronics	8-bit Microcontrollers - MCU 8-Bit Automotive MCU EEPROM 32kb Flash Learn More about STMicroelectronics stm series mcus	Datasheet	Non-Stocked Lead-Time 16 Weeks	S/7.51 S/7.40	Min.: 2,940 Mult.: 2,940			STM8A	32 kB	2 kB	QFN-32	16 MHz					SMD/SMT	8 bit	- 40 C	+ 125 C	STM8AF6266	AEC-Q100	Tray
	8-bit Microcontrollers - MCU 8-Bit Automotive MCU EEPROM 32kb Flash STM8AF6266UDY STMicroelectronics 2,940: S/8.72 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # STM8AF6266UDY Mouser Part # 511-STM8AF6266UDY	STMicroelectronics	8-bit Microcontrollers - MCU 8-Bit Automotive MCU EEPROM 32kb Flash Learn More about STMicroelectronics stm series mcus	Datasheet	Non-Stocked Lead-Time 16 Weeks	S/8.72 Quote Quote	Min.: 2,940 Mult.: 2,940			STM8A	32 kB	2 kB	QFN-32	16 MHz					SMD/SMT	8 bit	- 40 C	+ 150 C	STM8AF6266	AEC-Q100	Tray
	8-bit Microcontrollers - MCU 8-Bit Automotive MCU CAN Line 64kb Flash STM8AF5289TCY STMicroelectronics 1: S/26.55 Non-Stocked Lead-Time 16 Weeks End of Life	Mfr. Part # STM8AF5289TCY Mouser Part # 511-STM8AF5289TCY End of Life	STMicroelectronics	8-bit Microcontrollers - MCU 8-Bit Automotive MCU CAN Line 64kb Flash Learn More about STMicroelectronics stm series mcus	Datasheet	Non-Stocked Lead-Time 16 Weeks	S/26.55 S/20.32 S/17.83 S/16.62 View S/15.34 S/14.48 S/14.29 Quote	Min.: 1 Mult.: 1			STM8A	64 kB	6 kB	LQFP-64	24 MHz	10 bit	52 I/O	3 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	STM8AF5289	AEC-Q100	Tray