8-bit Microcontrollers - MCU – Mouser United Kingdom

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STM8S 8-bit Microcontroller

The STMicroelectronics STM8S 8-bit Microcontroller (MCU) family combines leading-edge performance, robustness, peripherals, and cost-effectiveness. These high-performance STMicroelectronics STM8S MCUs feature an advanced 20 MIP STM8 8-bit core with Harvard Architecture and 3-stage Pipeline, robust architecture (dual watchdogs, clock security, and IEC61967-compliant EMI emission), a rich peripheral set (10-bit ADC, advanced timers, CAN, UARTs, SPI, I2C), and maximum integration (true EEPROM, 16MHz and 128KHz on-chip RC oscillators). The STMicroelectronics STM8S family meets the demanding requirements of industrial and appliance applications while providing a host of other benefits, including excellent performance and code density, scalability in memory, and reduced system cost and external component needs.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	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	Packaging
8-bit Microcontrollers - MCU Access line, 16 MHz STM8S 8-bit 4 Kbyte STM8S103F2P6TR STMicroelectronics 1: £1.00 5,000On Order	Mfr. Part No. STM8S103F2P6TR Mouser Part No 511-STM8S103F2P6TR	STMicroelectronics	8-bit Microcontrollers - MCU Access line, 16 MHz STM8S 8-bit 4 Kbyte Learn More about STMicroelectronics stm8s mcus	Datasheet	5,000On Order	Cut Tape £1.00 £0.641 £0.539 £0.44 View Reel £0.303 £0.402 £0.356 £0.334 £0.303 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	STM8	4 kB	1 kB	TSSOP-20	16 MHz	10 bit	16 I/O	2.95 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	STM8S103F2	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU Access line MCU 8Kbyt 16 MHz STM8S103F3P6TR STMicroelectronics 1: £1.06 9,755On Order	Mfr. Part No. STM8S103F3P6TR Mouser Part No 511-STM8S103F3P6TR	STMicroelectronics	8-bit Microcontrollers - MCU Access line MCU 8Kbyt 16 MHz Learn More about STMicroelectronics stm8s mcus	Datasheet	9,755On Order	Cut Tape £1.06 £0.675 £0.567 £0.464 View Reel £0.32 £0.424 £0.375 £0.352 £0.32 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	STM8	8 kB	1 kB	TSSOP-20	16 MHz	10 bit	16 I/O	2.95 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	STM8S103F3	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU Access Line 16 MHz 8-bit MCU 32 Kbyt STM8S103K3T6C STMicroelectronics 1: £1.15 7,473On Order	Mfr. Part No. STM8S103K3T6C Mouser Part No 511-STM8S103K3T6C	STMicroelectronics	8-bit Microcontrollers - MCU Access Line 16 MHz 8-bit MCU 32 Kbyt Learn More about STMicroelectronics stm8s mcus	Datasheet	7,473On Order On Order Ship Dates Mfr. No: STM8S103K3T6C Stock: 0 On Order: 1,473 Expected 24/02/2027 6,000 TBD Factory Lead Time: 40 Weeks	£1.15 £0.841 £0.711 £0.671 View £0.629 £0.604 £0.603	Min.: 1 Mult.: 1	STM8	8 kB	1 kB	LQFP-32	16 MHz	10 bit	28 I/O	2.95 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	STM8S103K3	Tray
8-bit Microcontrollers - MCU 8-bit MCU Access 16 MHz 32kb Flash STM8S105K6U6A STMicroelectronics 1: £2.65 2,940On Order	Mfr. Part No. STM8S105K6U6A Mouser Part No 511-STM8S105K6U6A	STMicroelectronics	8-bit Microcontrollers - MCU 8-bit MCU Access 16 MHz 32kb Flash Learn More about STMicroelectronics stm8s mcus	Datasheet	2,940On Order	£2.65 £1.87 £1.68 £1.52 View £1.41 £1.28 £1.23	Min.: 1 Mult.: 1	STM8	32 kB	2 kB	UFQFPN-32	16 MHz	10 bit	25 I/O	2.95 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	STM8S105K6	Tray
8-bit Microcontrollers - MCU 8BIT Ultralow MCU 32KB Flash 2KB RAM STM8S207S6T6CTR STMicroelectronics 1: £4.00 843Expected 04/03/2027	Mfr. Part No. STM8S207S6T6CTR Mouser Part No 511-STM8S207S6T6CTR	STMicroelectronics	8-bit Microcontrollers - MCU 8BIT Ultralow MCU 32KB Flash 2KB RAM Learn More about STMicroelectronics stm8s mcus	Datasheet	843Expected 04/03/2027	Cut Tape £4.00 £2.65 £2.41 £2.04 View Reel £1.69 £1.95 £1.75 £1.69 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM8	32 kB	6 kB		24 MHz	10 bit	34 I/O	2.95 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	STM8S207S6	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU Performance LN 8-Bit 24 MHz STM8S MCU STM8S208C6T3 STMicroelectronics 1: £4.79 1,500Expected 22/02/2027	Mfr. Part No. STM8S208C6T3 Mouser Part No 511-STM8S208C6T3	STMicroelectronics	8-bit Microcontrollers - MCU Performance LN 8-Bit 24 MHz STM8S MCU Learn More about STMicroelectronics stm8s mcus	Datasheet	1,500Expected 22/02/2027	£4.79 £3.30 £3.07 £2.71 View £2.56 £2.30 £2.27	Min.: 1 Mult.: 1	STM8	32 kB	6 kB	LQFP-48	24 MHz	10 bit	38 I/O	2.95 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	STM8S208C6	Tray
8-bit Microcontrollers - MCU Access line MCU 32Kbyt 16 MHz STM8S208R8T6 STMicroelectronics 1: £4.84 956Expected 09/03/2027	Mfr. Part No. STM8S208R8T6 Mouser Part No 511-STM8S208R8T6	STMicroelectronics	8-bit Microcontrollers - MCU Access line MCU 32Kbyt 16 MHz Learn More about STMicroelectronics stm8s mcus	Datasheet	956Expected 09/03/2027	£4.84 £3.33 £3.10 £2.72 View £2.59 £2.23	Min.: 1 Mult.: 1	STM8	64 kB	6 kB	LQFP-64	24 MHz	10 bit	52 I/O	2.95 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	STM8S208R8	Tray
8-bit Microcontrollers - MCU Performance LN 8-Bit 24 MHz STM8S MCU STM8S208S6T3C STMicroelectronics 1: £4.24 960Expected 11/03/2027	Mfr. Part No. STM8S208S6T3C Mouser Part No 511-STM8S208S6T3C	STMicroelectronics	8-bit Microcontrollers - MCU Performance LN 8-Bit 24 MHz STM8S MCU Learn More about STMicroelectronics stm8s mcus	Datasheet	960Expected 11/03/2027	£4.24 £3.23 £2.82 £2.62 £2.45	Min.: 1 Mult.: 1	STM8	32 kB	6 kB	LQFP-44	24 MHz	10 bit	34 I/O	2.95 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	STM8S208S6	Tray
8-bit Microcontrollers - MCU App specific line 8-bit MCU 8Kb STM8S903F3P6TR STMicroelectronics 1: £1.68 1,961Expected 22/02/2027	Mfr. Part No. STM8S903F3P6TR Mouser Part No 511-STM8S903F3P6TR	STMicroelectronics	8-bit Microcontrollers - MCU App specific line 8-bit MCU 8Kb Learn More about STMicroelectronics stm8s mcus	Datasheet	1,961Expected 22/02/2027	Cut Tape £1.68 £1.23 £1.06 £0.995 View Reel £0.803 £0.856 £0.826 £0.803 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	STM8	8 kB	1 kB	TSSOP-20	16 MHz	10 bit	16 I/O	2.95 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	STM8S903F3	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU Mainstream Access line 8-bit MCU 32 Kbytes Flash, 16 MHz CPU, integrated EEPROM STM8S105C6T3 STMicroelectronics 1: £3.03 3In Stock	Mfr. Part No. STM8S105C6T3 Mouser Part No 511-STM8S105C6T3	STMicroelectronics	8-bit Microcontrollers - MCU Mainstream Access line 8-bit MCU 32 Kbytes Flash, 16 MHz CPU, integrated EEPROM Learn More about STMicroelectronics stm8s mcus	Datasheet	3In Stock	£3.03 £2.28 £1.98 £1.89 View £1.79 £1.68 £1.59 £1.56 £1.54	Min.: 1 Mult.: 1	STM8	32 kB	2 kB		16 MHz	10 bit	38 I/O	1.8 V	3.6 V	SMD/SMT	8 bit	- 40 C	+ 125 C	STM8S105C6	Tray
8-bit Microcontrollers - MCU Mainstream Performance line 8-bit MCU 64 Kbytes Flash, 24 MHz CPU, integrated EE STM8S208C8T6TR STMicroelectronics 1: £3.89 10In Stock	Mfr. Part No. STM8S208C8T6TR Mouser Part No 511-STM8S208C8T6TR	STMicroelectronics	8-bit Microcontrollers - MCU Mainstream Performance line 8-bit MCU 64 Kbytes Flash, 24 MHz CPU, integrated EE Learn More about STMicroelectronics stm8s mcus	Datasheet	10In Stock	Cut Tape £3.89 £2.96 £2.58 £2.46 Reel £2.07 View £2.44 £2.14 £2.11 £1.84 MouseReel Available	Min.: 1 Mult.: 1 : 2,400				LQFP-64						SMD/SMT				STM8S208C8	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 8-bit Performance LN 16 Mhz 8kb Flash STM8S903F3M6TR STMicroelectronics 1: £2.16 101In Stock	Mfr. Part No. STM8S903F3M6TR Mouser Part No 511-STM8S903F3M6TR	STMicroelectronics	8-bit Microcontrollers - MCU 8-bit Performance LN 16 Mhz 8kb Flash Learn More about STMicroelectronics stm8s mcus	Datasheet	101In Stock	Cut Tape £2.16 £1.58 £1.37 £1.25 Reel £0.934 View £1.08 £0.986 £0.908 £0.89 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM8	8 kB	1 kB	SOP-20	16 MHz	10 bit	16 I/O	2.95 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	STM8S903F3	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU DiSEqC slave MCU 8-Bit 16MHz LNB STM8SPLNB1P6 STMicroelectronics 1: £4.44 90In Stock	Mfr. Part No. STM8SPLNB1P6 Mouser Part No 511-STM8SPLNB1P6	STMicroelectronics	8-bit Microcontrollers - MCU DiSEqC slave MCU 8-Bit 16MHz LNB Learn More about STMicroelectronics stm8s mcus	Datasheet	90In Stock	£4.44 £2.93 £2.58 £2.25 View £2.13 £1.92 £1.82 £1.80 Quote	Min.: 1 Mult.: 1	STM8				16 MHz	No ADC		2.95 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	STM8SPLNB1	Tube
8-bit Microcontrollers - MCU Access line, 16 MHz STM8S 8-bit 8 Kbyte STM8S103F3U6TR STMicroelectronics 1: £1.35 2,995Expected 26/02/2027	Mfr. Part No. STM8S103F3U6TR Mouser Part No 511-STM8S103F3U6TR	STMicroelectronics	8-bit Microcontrollers - MCU Access line, 16 MHz STM8S 8-bit 8 Kbyte Learn More about STMicroelectronics stm8s mcus	Datasheet	2,995Expected 26/02/2027	Cut Tape £1.35 £0.826 £0.691 £0.525 View Reel £0.34 £0.454 £0.398 £0.358 £0.34 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	STM8	8 kB	1 kB	QFN-20	16 MHz	10 bit	16 I/O	2.95 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	STM8S103F3	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 24MHz, 8-Bit MCU 20MIPS@24MHz STM8S207RBT6 STMicroelectronics 1: £3.68 201On Order	Mfr. Part No. STM8S207RBT6 Mouser Part No 511-STM8S207RBT6	STMicroelectronics	8-bit Microcontrollers - MCU 24MHz, 8-Bit MCU 20MIPS@24MHz Learn More about STMicroelectronics stm8smcus	Datasheet	201On Order	£3.68 £2.79 £2.44 £2.26 £2.12	Min.: 1 Mult.: 1	STM8	128 kB	6 kB	LQFP-64	24 MHz	10 bit	52 I/O	2.95 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	STM8S207RB	Tray
8-bit Microcontrollers - MCU Performance line 24 MHz 8-bit MCU STM8S207RBT6C STMicroelectronics 1: £4.02 9Expected 20/11/2026	Mfr. Part No. STM8S207RBT6C Mouser Part No 511-STM8S207RBT6C	STMicroelectronics	8-bit Microcontrollers - MCU Performance line 24 MHz 8-bit MCU Learn More about STMicroelectronics stm8s mcus	Datasheet	9Expected 20/11/2026	£4.02 £2.83 £2.57 £2.37 View £2.36 £2.29 £2.27 Quote	Min.: 1 Mult.: 1	STM8	128 kB	6 kB	LQFP-64	24 MHz	10 bit	52 I/O	2.95 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	STM8S207RB	Tray
8-bit Microcontrollers - MCU Access line, 16 MHz STM8S 8-bit 4 Kbyte STM8S103F2P3 STMicroelectronics 1,480: £0.908 Non-Stocked Lead-Time 40 Weeks	Mfr. Part No. STM8S103F2P3 Mouser Part No 511-STM8S103F2P3	STMicroelectronics	8-bit Microcontrollers - MCU Access line, 16 MHz STM8S 8-bit 4 Kbyte Learn More about STMicroelectronics stm8s mcus	Datasheet	Non-Stocked Lead-Time 40 Weeks	£0.908	Min.: 1,480 Mult.: 1,480	STM8	4 kB	1 kB	TSSOP-20	16 MHz	10 bit	16 I/O	2.95 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	STM8S103F2	Tube
8-bit Microcontrollers - MCU Access line, 16 MHz STM8S 8-bit 8 Kbyte STM8S103F2U6TR STMicroelectronics 1: £1.28 Non-Stocked Lead-Time 40 Weeks	Mfr. Part No. STM8S103F2U6TR Mouser Part No 511-STM8S103F2U6TR	STMicroelectronics	8-bit Microcontrollers - MCU Access line, 16 MHz STM8S 8-bit 8 Kbyte Learn More about STMicroelectronics stm8s mcus	Datasheet	Non-Stocked Lead-Time 40 Weeks	Cut Tape £1.28 £0.78 £0.656 £0.497 View Reel £0.323 £0.43 £0.378 £0.34 £0.323 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	STM8	4 kB	1 kB	QFN-20	16 MHz	10 bit	16 I/O	2.95 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	STM8S103F2	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU Access line 8-bit MCU 8Kb STM8S103F3M6TR STMicroelectronics 1: £2.42 Non-Stocked Lead-Time 40 Weeks	Mfr. Part No. STM8S103F3M6TR Mouser Part No 511-STM8S103F3M6TR	STMicroelectronics	8-bit Microcontrollers - MCU Access line 8-bit MCU 8Kb Learn More about STMicroelectronics stm8s mcus	Datasheet	Non-Stocked Lead-Time 40 Weeks	Cut Tape £2.42 £1.58 £1.45 £1.25 View Reel £0.952 £1.16 £1.02 £0.952 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM8	8 kB	1 kB	SOP-20	16 MHz	10 bit	16 I/O	2.95 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	STM8S103F3	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU Mainstream Access line 8-bit MCU 8 Kbytes Flash, 16 MHz CPU, integrated EEPROM STM8S103F3U3TR STMicroelectronics 1: £2.23 Non-Stocked Lead-Time 40 Weeks	Mfr. Part No. STM8S103F3U3TR Mouser Part No 511-STM8S103F3U3TR	STMicroelectronics	8-bit Microcontrollers - MCU Mainstream Access line 8-bit MCU 8 Kbytes Flash, 16 MHz CPU, integrated EEPROM Learn More about STMicroelectronics stm8s mcus	Datasheet	Non-Stocked Lead-Time 40 Weeks	Cut Tape £2.23 £1.46 £1.34 £1.15 View Reel £0.849 £1.07 £0.943 £0.908 £0.849 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	STM8	8 kB	1 kB	QFN-20	16 MHz	10 bit	16 I/O	2.95 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	STM8S103F3	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU Access Line 16 MHz 8-BIT MCU STM8S103K3T3C STMicroelectronics 1: £2.71 Non-Stocked Lead-Time 40 Weeks	Mfr. Part No. STM8S103K3T3C Mouser Part No 511-STM8S103K3T3C	STMicroelectronics	8-bit Microcontrollers - MCU Access Line 16 MHz 8-BIT MCU Learn More about STMicroelectronics stm8s mcus	Datasheet	Non-Stocked Lead-Time 40 Weeks	£2.71 £1.83 £1.69 £1.48 View £1.39 £1.21 £1.16	Min.: 1 Mult.: 1	STM8	8 kB	1 kB	LQFP-32	16 MHz	10 bit	28 I/O	2.95 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	STM8S103K3	Tray
8-bit Microcontrollers - MCU Access line 8-bit MCU 8Kb STM8S103K3T3CTR STMicroelectronics 1: £2.71 Non-Stocked Lead-Time 40 Weeks	Mfr. Part No. STM8S103K3T3CTR Mouser Part No 511-STM8S103K3T3CTR	STMicroelectronics	8-bit Microcontrollers - MCU Access line 8-bit MCU 8Kb Learn More about STMicroelectronics stm8s mcus	Datasheet	Non-Stocked Lead-Time 40 Weeks	Cut Tape £2.71 £1.83 £1.69 £1.48 View Reel £1.13 £1.39 £1.21 £1.13 £1.13 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	STM8	8 kB	1 kB		16 MHz	10 bit	28 I/O	2.95 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	STM8S103K3	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU Mainstream Access line 8-bit MCU 16 Kbytes Flash, 16 MHz CPU, integrated EEPROM STM8S105C4T3TR STMicroelectronics 1: £3.32 Non-Stocked Lead-Time 40 Weeks	Mfr. Part No. STM8S105C4T3TR Mouser Part No 511-STM8S105C4T3TR	STMicroelectronics	8-bit Microcontrollers - MCU Mainstream Access line 8-bit MCU 16 Kbytes Flash, 16 MHz CPU, integrated EEPROM Learn More about STMicroelectronics stm8s mcus	Datasheet	Non-Stocked Lead-Time 40 Weeks	Cut Tape £3.32 £2.19 £2.00 £1.69 View Reel £1.41 £1.62 £1.46 £1.41 £1.41 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	STM8	16 kB	2 kB	LQFP-48	16 MHz	10 bit	38 I/O	2.95 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	STM8S105C4	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU Mainstream Access line 8-bit MCU 32 Kbytes Flash, 16 MHz CPU, integrated EEPROM STM8S105C6T3TR STMicroelectronics 2,400: £1.59 Non-Stocked Lead-Time 40 Weeks	Mfr. Part No. STM8S105C6T3TR Mouser Part No 511-STM8S105C6T3TR	STMicroelectronics	8-bit Microcontrollers - MCU Mainstream Access line 8-bit MCU 32 Kbytes Flash, 16 MHz CPU, integrated EEPROM Learn More about STMicroelectronics stm8s mcus	Datasheet	Non-Stocked Lead-Time 40 Weeks	Reel £1.59	Min.: 2,400 Mult.: 2,400 : 2,400														STM8S105C6	Reel
8-bit Microcontrollers - MCU 8BIT Ultralow MCU 16KB Flash 2KB RAM STM8S105K4T3CTR STMicroelectronics 1: £3.06 Non-Stocked Lead-Time 40 Weeks	Mfr. Part No. STM8S105K4T3CTR Mouser Part No 511-STM8S105K4T3CTR	STMicroelectronics	8-bit Microcontrollers - MCU 8BIT Ultralow MCU 16KB Flash 2KB RAM Learn More about STMicroelectronics stm8s mcus	Datasheet	Non-Stocked Lead-Time 40 Weeks	Cut Tape £3.06 £2.03 £1.85 £1.57 View Reel £1.31 £1.48 £1.34 £1.31 £1.31 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	STM8	16 kB	2 kB		16 MHz	10 bit	25 I/O	2.95 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 125 C	STM8S105K4	Reel, Cut Tape, MouseReel