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256 kB ARM Microcontrollers - MCU

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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.	Series	Mounting Style	Package/Case	Core	Program Memory Size	Data Bus Width	ADC Resolution	Maximum Clock Frequency	Number of I/Os	Data RAM Size	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Qualification	Packaging
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, AES, 48 MHz CPU STM32U083RCT6 STMicroelectronics 1: £3.71 5,072In Stock 6,720Expected 12/11/2026	Mfr. Part No. STM32U083RCT6 Mouser Part No 511-STM32U083RCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, AES, 48 MHz CPU Learn More about STMicroelectronics stm stm32u0 low power mcus	Datasheet	5,072In Stock 6,720Expected 12/11/2026	£3.71 £2.69 £2.43 £2.09 View £1.97 £1.79 £1.78	Min.: 1 Mult.: 1 Max.: 960	STM32U0			ARM Cortex M0	256 kB			48 MHz								Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 256 Kbytes Flash STM32U535CCU6 STMicroelectronics 1: £5.12 1,981In Stock	Mfr. Part No. STM32U535CCU6 Mouser Part No 511-STM32U535CCU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 256 Kbytes Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	1,981In Stock	£5.12 £3.94 £3.46 £3.30 View £3.06 £2.64 £2.60	Min.: 1 Mult.: 1	STM32U5	SMD/SMT	UFQFPN-48	ARM Cortex M33	256 kB	32 bit	12 bit, 14 bit	160 MHz	37 I/O	574 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU 32-bit Arm® Cort ex®-M4F-based M TM4C123BH6NMRI Texas Instruments 1: £13.69 252In Stock	Mfr. Part No. TM4C123BH6NMRI Mouser Part No 595-TM4C123BH6NMRI	Texas Instruments	ARM Microcontrollers - MCU 32-bit Arm® Cort ex®-M4F-based M Learn More about Texas Instruments ti tiva C	Datasheet	252In Stock	£13.69 £10.40 £9.96 £8.77 View £8.35 £8.08 £7.81 Quote	Min.: 1 Mult.: 1	TM4C123BH6NMR	SMD/SMT	NFBGA-157	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	120 I/O	32 kB	3.15 V	3.63 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU BLIZZARD 157 BGA TM4C123BH6NMRIR Texas Instruments 1: £11.72 600In Stock	Mfr. Part No. TM4C123BH6NMRIR Mouser Part No 595-TM4C123BH6NMRIR	Texas Instruments	ARM Microcontrollers - MCU BLIZZARD 157 BGA Learn More about Texas Instruments ti tiva C	Datasheet	600In Stock	£11.72 £8.91 £8.55 £7.53 View £7.16 £6.92 £6.70 Quote	Min.: 1 Mult.: 1	TM4C123BH6NMR	SMD/SMT	NFBGA-157	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	120 I/O	32 kB			- 40 C	+ 85 C
ARM Microcontrollers - MCU BLIZZARD 157 BGA TM4C123GH6NMRI Texas Instruments 1: £11.07 260In Stock	Mfr. Part No. TM4C123GH6NMRI Mouser Part No 595-TM4C123GH6NMRI	Texas Instruments	ARM Microcontrollers - MCU BLIZZARD 157 BGA Learn More about Texas Instruments ti tiva C	Datasheet	260In Stock	£11.07 £8.72 £8.66 £8.43	Min.: 1 Mult.: 1		SMD/SMT	NFBGA-157	ARM Cortex M4	256 kB	32 bit	2 x 12 bit	80 MHz	120 I/O	32 kB	3.15 V	3.63 V	- 40 C	+ 85 C
ARM Microcontrollers - MCU BLIZZARD 157 BGA TM4C123GH6NMRI7 Texas Instruments 1: £15.64 260In Stock	Mfr. Part No. TM4C123GH6NMRI7 Mouser Part No 595-TM4C123GH6NMRI7	Texas Instruments	ARM Microcontrollers - MCU BLIZZARD 157 BGA Learn More about Texas Instruments ti tiva C	Datasheet	260In Stock	£15.64 £12.64 £12.12 £10.68 View £10.15 £9.69 £9.46 Quote	Min.: 1 Mult.: 1	TM4C123GH6NMR	SMD/SMT	NFBGA-157	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	120 I/O	32 kB	1.08 V	3.63 V	- 40 C	+ 85 C
ARM Microcontrollers - MCU BLIZZARD 157 BGA TM4C123GH6NMRIR Texas Instruments 1: £14.23 953In Stock	Mfr. Part No. TM4C123GH6NMRIR Mouser Part No 595-TM4C123GH6NMRIR	Texas Instruments	ARM Microcontrollers - MCU BLIZZARD 157 BGA Learn More about Texas Instruments ti tiva C	Datasheet	953In Stock	£14.23 £10.81 £10.36 £9.13 View £8.68 £8.39 £8.13 Quote	Min.: 1 Mult.: 1	TM4C123GH6NMR	SMD/SMT	NFBGA-157	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	120 I/O	32 kB	1.08 V	3.63 V	- 40 C	+ 85 C
ARM Microcontrollers - MCU BLIZZARD 157 BGA TM4C123GH6NMRT Texas Instruments 1: £11.58 170In Stock	Mfr. Part No. TM4C123GH6NMRT Mouser Part No 595-TM4C123GH6NMRT	Texas Instruments	ARM Microcontrollers - MCU BLIZZARD 157 BGA Learn More about Texas Instruments ti tiva C	Datasheet	170In Stock	£11.58 £9.14 £9.09 £8.86	Min.: 1 Mult.: 1	TM4C123GH6NMR	SMD/SMT	NFBGA-157	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	120 I/O	32 kB	1.08 V	3.63 V	- 40 C	+ 85 C
ARM Microcontrollers - MCU 32-bit Arm Cortex - M4F-based MCU with 8 TM4C123GH6NMRT7R Texas Instruments 1: £14.18 958In Stock	Mfr. Part No. TM4C123GH6NMRT7R Mouser Part No 595-TM4C123GH6NMRT7R	Texas Instruments	ARM Microcontrollers - MCU 32-bit Arm Cortex - M4F-based MCU with 8 Learn More about Texas Instruments ti tiva C	Datasheet	958In Stock	Cut Tape £14.18 £11.45 £10.97 £9.67 View Reel £8.56 £9.20 £8.77 £8.56 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	TM4C123GH6NMR	SMD/SMT	NFBGA-157	ARM Cortex M4F	256 kB	32 bit	12 bit	80 MHz	120 I/O	32 kB	3.15 V	3.63 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU PSOC4 - GENERAL CY8C4148AZSS568XQLA1 Infineon Technologies 1: £7.40 450In Stock	Mfr. Part No. CY8C4148AZSS568XQLA1 Mouser Part No 726-CY8C4148AZSS568X	Infineon Technologies	ARM Microcontrollers - MCU PSOC4 - GENERAL Learn More about Infineon Technologies infineon psoc 4100s max	Datasheet	450In Stock	£7.40 £5.73 £5.46 £4.74 View £4.53 £4.13 £3.90 £3.83 Quote	Min.: 1 Mult.: 1	PSOC 4100S Max	SMD/SMT	TQFP-100	ARM Cortex M0+	256 kB	32 bit	12 bit	48 MHz	84 I/O	32 kB	1.71 V	5.5 V	- 40 C	+ 105 C	AEC-Q100	Tray
ARM Microcontrollers - MCU TRAVEO-2 BODY HIGH-END CYT4BB7CEBQ1AEEGS Infineon Technologies 1: £19.76 270In Stock	Mfr. Part No. CYT4BB7CEBQ1AEEGS Mouser Part No 726-CYT4BB7CEBQ1AEEG	Infineon Technologies	ARM Microcontrollers - MCU TRAVEO-2 BODY HIGH-END Learn More about Infineon Technologies infineon cyt3bb cyt4bb auto mcus	Datasheet	270In Stock	£19.76 £15.85 £14.18 £13.71 View £12.98 £12.89 Quote	Min.: 1 Mult.: 1	CYT4BB	SMD/SMT	TEQFP-144	ARM Cortex M7	256 kB	32 bit	12 bit			768 kB	2.7 V	5.5 V	- 40 C	+ 125 C	AEC-Q100	Tray
ARM Microcontrollers - MCU EMBEDDED_POWER TLE98932QKW62SXUMA1 Infineon Technologies 1: £8.86 178In Stock 1,900On Order	Mfr. Part No. TLE98932QKW62SXUMA1 Mouser Part No 726-TLE98932QKW62SXU	Infineon Technologies	ARM Microcontrollers - MCU EMBEDDED_POWER Learn More about Infineon Technologies infineon motix tle989x microcontrollers	Datasheet	178In Stock 1,900On Order	Cut Tape £8.86 £6.89 £6.57 £5.71 View Reel £4.60 £5.45 £4.97 £4.70 £4.60 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,900	TLE989x	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	10 bit, 12 bit	60 MHz	25 I/O	32 kB	5.5 V	28 V	- 40 C	+ 175 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU LCD DIPSLAY CONTROLLER, MCU, GENERAL PURPOSE TMPM4MNFYAFG(DBB) Toshiba 1: £7.50 833In Stock	Mfr. Part No. TMPM4MNFYAFG(DBB) Mouser Part No 757-TMPM4MNFYAFGDBB	Toshiba	ARM Microcontrollers - MCU LCD DIPSLAY CONTROLLER, MCU, GENERAL PURPOSE Learn More about Toshiba tmpm4k mcus	Datasheet	833In Stock	£7.50 £6.21 £5.50 £5.26 View £4.82 Quote	Min.: 1 Mult.: 1		SMD/SMT	PQFP-100	ARM Cortex M4	256 kB	32 bit	12 bit	160 MHz	87 I/O	24 kB	2.7 V	5.5 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU MCX A15 Essential MCUs with Arm Cortex -M33, Low Power and Intelligent Peripherals, 100 QFP MCXA154VLL NXP Semiconductors 1: £3.06 722In Stock	Mfr. Part No. MCXA154VLL Mouser Part No 771-MCXA154VLL	NXP Semiconductors	ARM Microcontrollers - MCU MCX A15 Essential MCUs with Arm Cortex -M33, Low Power and Intelligent Peripherals, 100 QFP Learn More about NXP Semiconductors nxp mcx a mcus	Datasheet	722In Stock	£3.06 £2.31 £1.94 £1.93 View £1.87 £1.75 £1.73 £1.69	Min.: 1 Mult.: 1	MCX A	SMD/SMT	LQFP-100	ARM Cortex M33	256 kB		16 bit	96 MHz	81 I/O	64 kB			- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU MCX C24 MCUs with Arm Cortex -M0+, Entry level MCUs with USB, Segment LCD and Classical Peripherals, 48 QFN MCXC244VFT NXP Semiconductors 1: £2.47 1,280In Stock	Mfr. Part No. MCXC244VFT Mouser Part No 771-MCXC244VFT	NXP Semiconductors	ARM Microcontrollers - MCU MCX C24 MCUs with Arm Cortex -M0+, Entry level MCUs with USB, Segment LCD and Classical Peripherals, 48 QFN Learn More about NXP Semiconductors nxp mcx c microcontrollers	Datasheet	1,280In Stock	£2.47 £1.85 £1.70 £1.53 View £1.45 £1.41 £1.35 £1.29 £1.27	Min.: 1 Mult.: 1	MCX C	SMD/SMT	QFN-48	ARM Cortex M0+	256 kB	32 bit	16 bit	48 MHz	36 I/O	32 kB	1.71 V	3.6 V	- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB EFM32LG232F256G-F-QFP64 Silicon Labs 1: £8.07 1,600In Stock NRND	Mfr. Part No. EFM32LG232F256G-F-QFP64 Mouser Part No 634-32LG232F256GFQFP NRND	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	1,600In Stock	£8.07 £6.20 £5.88 £5.44 View £5.17 £5.06 £4.90 Quote	Min.: 1 Mult.: 1	EFM32LG	SMD/SMT	TQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	48 MHz	53 I/O	32 kB	1.98 V	3.8 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB EFM32LG332F256G-F-QFP64 Silicon Labs 1: £8.93 1,059In Stock NRND	Mfr. Part No. EFM32LG332F256G-F-QFP64 Mouser Part No 634-32LG332F256GFQFP NRND	Silicon Labs	ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB Learn More about Silicon Labs energymicro efm32leopard	Datasheet	1,059In Stock	£8.93 £7.00 £6.51 £5.98 View £5.93 £5.57 £5.45 Quote	Min.: 1 Mult.: 1	EFM32LG	SMD/SMT	TQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	48 MHz	50 I/O	32 kB	1.98 V	3.8 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C STM32F091CCT6 STMicroelectronics 1: £5.17 4,184In Stock 10,500On Order	Mfr. Part No. STM32F091CCT6 Mouser Part No 511-STM32F091CCT6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 256 Kbytes of Flash 48 MHz CPU, CAN & C Learn More about STMicroelectronics stm32f0	Datasheet	4,184In Stock 10,500On Order On Order Ship Dates Mfr. No: STM32F091CCT6 Stock: 4,184 Can Dispatch Immediately On Order: 6,000 Expected 26/04/2027 4,500 TBD Factory Lead Time: 40 Weeks	£5.17 £3.96 £3.47 £3.33 View £3.17 £3.08 £2.92	Min.: 1 Mult.: 1	STM32F091CC	SMD/SMT	LQFP-48	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	38 I/O	32 kB	2 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU ARM 32Bit Value Line 64-Pin 32kB Flash STM32F100RCT6BTR STMicroelectronics 1: £6.08 5,901In Stock	Mfr. Part No. STM32F100RCT6BTR Mouser Part No 511-STM32F100RCT6BTR	STMicroelectronics	ARM Microcontrollers - MCU ARM 32Bit Value Line 64-Pin 32kB Flash Learn More about STMicroelectronics stm32f1	Datasheet	5,901In Stock	Cut Tape £6.08 £4.67 £4.20 £3.94 View Reel £3.51 £3.84 £3.63 £3.51 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F100RC	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	24 MHz	51 I/O	24 kB	2 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 256 to 512 USB/CAN STM32F103RCT6 STMicroelectronics 1: £7.16 16,746In Stock	Mfr. Part No. STM32F103RCT6 Mouser Part No 511-STM32F103RCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 256 to 512 USB/CAN Learn More about STMicroelectronics stm32f1	Datasheet	16,746In Stock	£7.16 £5.75 £5.09 £4.64 View £4.54 £4.49 £4.43 Quote	Min.: 1 Mult.: 1	STM32F103RC	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	51 I/O	48 kB	2 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 M3 72MHz 64pins STM32F103RCT6TR STMicroelectronics 1: £7.38 11,341In Stock	Mfr. Part No. STM32F103RCT6TR Mouser Part No 511-STM32F103RCT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 M3 72MHz 64pins Learn More about STMicroelectronics stm32f1	Datasheet	11,341In Stock	Cut Tape £7.38 £5.80 £5.25 £4.91 £4.80 Reel £4.80 MouseReel Available	Min.: 1 Mult.: 1 Max.: 480 : 1,000	STM32F103RC	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	51 I/O	48 kB	2 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 H/D Perf Line USB CAN STM32F103RCT7 STMicroelectronics 1: £8.08 2,805In Stock	Mfr. Part No. STM32F103RCT7 Mouser Part No 511-STM32F103RCT7	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D Perf Line USB CAN Learn More about STMicroelectronics stm32f1	Datasheet	2,805In Stock	£8.08 £6.29 £5.57 £5.22 View £5.14 £4.82 £4.75	Min.: 1 Mult.: 1	STM32F103RC	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	51 I/O	48 kB	2 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Performance Line STM32F103RCY6TR STMicroelectronics 1: £7.83 3,957In Stock	Mfr. Part No. STM32F103RCY6TR Mouser Part No 511-STM32F103RCY6TR	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Performance Line Learn More about STMicroelectronics stm32f1	Datasheet	3,957In Stock	Cut Tape £7.83 £6.05 £5.77 £5.01 View Reel £4.41 £4.96 £4.61 £4.41 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	STM32F103RC	SMD/SMT	WLCSP-64	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	51 I/O	48 kB	2 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Performance Line STM32F103VCT6TR STMicroelectronics 1: £8.06 29,076In Stock	Mfr. Part No. STM32F103VCT6TR Mouser Part No 511-STM32F103VCT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Performance Line Learn More about STMicroelectronics stm32f1	Datasheet	29,076In Stock	Cut Tape £8.06 £6.41 £5.76 £5.45 View Reel £5.12 £5.33 £5.12 £5.12 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F103VC	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	80 I/O	48 kB	2 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 STM32F107RCT6 STMicroelectronics 1: £8.49 3,123In Stock	Mfr. Part No. STM32F107RCT6 Mouser Part No 511-STM32F107RCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 Learn More about STMicroelectronics STM32F107	Datasheet	3,123In Stock	£8.49 £6.63 £5.88 £5.50 View £5.20 £5.12	Min.: 1 Mult.: 1	STM32F107RC	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	51 I/O	64 kB	2 V	3.6 V	- 40 C	+ 85 C		Tray