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ARM Cortex M3 Core ARM Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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	Packaging
ARM Microcontrollers - MCU ARM 32Bit Value Line 48-Pin 64kB Flash STM32F100C8T6BTR STMicroelectronics 1: $5.90 12,000Expected 2027/09/13	Mfr. Part No. STM32F100C8T6BTR Mouser Part No 511-STM32F100C8T6BTR	STMicroelectronics	ARM Microcontrollers - MCU ARM 32Bit Value Line 48-Pin 64kB Flash Learn More about STMicroelectronics stm32f1	Datasheet	12,000Expected 2027/09/13	Cut Tape $5.90 $4.16 $3.91 $3.47 View Reel $2.99 $3.43 $3.15 $2.99 $2.99 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	STM32F100C8	SMD/SMT	LQFP-48	ARM Cortex M3	64 kB	32 bit	12 bit	24 MHz	37 I/O	8 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 USB 7 TIMERS 2 ADCS CAN STM32F103C8T6TR STMicroelectronics 1: $7.75 18,538On Order	Mfr. Part No. STM32F103C8T6TR Mouser Part No 511-STM32F103C8T6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 USB 7 TIMERS 2 ADCS CAN Learn More about STMicroelectronics stm32f1	Datasheet	18,538On Order On Order Ship Dates Mfr. No: STM32F103C8T6TR Stock: 0 On Order: 4,138 Expected 2027/01/21 14,400 Expected 2027/08/23 Factory Lead Time: 40 Weeks	Cut Tape $7.75 $5.95 $5.23 $4.57 View Reel $4.15 $4.45 $4.15 $4.15 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	STM32F103C8	SMD/SMT	LQFP-48	ARM Cortex M3	64 kB	32 bit	12 bit	72 MHz	37 I/O	20 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 128 Kbytes of Flash 72 MHz CPU, m STM32F103CBU6TR STMicroelectronics 1: $8.57 4,991Expected 2026/11/02	Mfr. Part No. STM32F103CBU6TR Mouser Part No 511-STM32F103CBU6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 128 Kbytes of Flash 72 MHz CPU, m Learn More about STMicroelectronics stm32f1	Datasheet	4,991Expected 2026/11/02	Cut Tape $8.57 $6.54 $5.83 $5.47 View Reel $4.63 $5.33 $4.87 $4.83 $4.63 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	STM32F103CB	SMD/SMT	UFQFPN-48	ARM Cortex M3	128 kB	32 bit	12 bit	72 MHz	37 I/O	20 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 64KB 20KB RAM 2X12 ADC STM32F103R8T6 STMicroelectronics 1: $7.65 3,840On Order	Mfr. Part No. STM32F103R8T6 Mouser Part No 511-STM32F103R8T6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 64KB 20KB RAM 2X12 ADC Learn More about STMicroelectronics stm32f1	Datasheet	3,840On Order On Order Ship Dates Mfr. No: STM32F103R8T6 Stock: 0 On Order: 1,920 Expected 2026/12/22 1,920 Expected 2027/02/23 Factory Lead Time: 52 Weeks	$7.65 $6.14 $5.30 $4.95 $4.65	Min.: 1 Mult.: 1	STM32F103R8	SMD/SMT	LQFP-64	ARM Cortex M3	64 kB	32 bit	12 bit	72 MHz	64 I/O	20 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Perform ARM 32Bit 32kB Flash 64-Pin STM32F103RFT6TR STMicroelectronics 1: $13.84 2,000Expected 2027/07/12	Mfr. Part No. STM32F103RFT6TR Mouser Part No 511-STM32F103RFT6TR	STMicroelectronics	ARM Microcontrollers - MCU Perform ARM 32Bit 32kB Flash 64-Pin Learn More about STMicroelectronics stm32f1	Datasheet	2,000Expected 2027/07/12	Cut Tape $13.84 $10.87 $9.68 $9.32 View Reel $8.48 $9.14 $8.69 $8.48 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F103RF	SMD/SMT	LQFP-64	ARM Cortex M3	768 kB	32 bit	12 bit	72 MHz		96 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32-Bit ARM Cortex MED Density 128kb PL STM32F103TBU7 STMicroelectronics 1: $9.22 8,655Expected 2027/05/17	Mfr. Part No. STM32F103TBU7 Mouser Part No 511-STM32F103TBU7	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex MED Density 128kb PL Learn More about STMicroelectronics stm32f1	Datasheet	8,655Expected 2027/05/17	$9.22 $7.00 $6.47 $5.85 View $5.52 $5.30 $5.23	Min.: 1 Mult.: 1	STM32F103TB	SMD/SMT	VFQFPN-36	ARM Cortex M3	128 kB	32 bit	12 bit	72 MHz	26 I/O	20 kB	2 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex M3 384Kb Flash MCU STM32F103ZDH6 STMicroelectronics 1: $13.97 2,208Expected 2026/12/04	Mfr. Part No. STM32F103ZDH6 Mouser Part No 511-STM32F103ZDH6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 384Kb Flash MCU Learn More about STMicroelectronics stm32f1	Datasheet	2,208Expected 2026/12/04	$13.97 $10.94 $10.20 $9.47 $9.19	Min.: 1 Mult.: 1	STM32F103ZD	SMD/SMT	BGA-144	ARM Cortex M3	384 kB	32 bit	12 bit	72 MHz	112 I/O	64 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 STM32F105R8T6 STMicroelectronics 1: $9.05 9,486On Order	Mfr. Part No. STM32F105R8T6 Mouser Part No 511-STM32F105R8T6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 Learn More about STMicroelectronics stm32f105	Datasheet	9,486On Order On Order Ship Dates Mfr. No: STM32F105R8T6 Stock: 0 On Order: 2,766 Expected 2027/08/16 6,720 TBD Factory Lead Time: 52 Weeks	$9.05 $6.08 $5.36 $5.00 $4.71	Min.: 1 Mult.: 1	STM32F105R8	SMD/SMT	LQFP-64	ARM Cortex M3	64 kB	32 bit	12 bit	72 MHz	51 I/O	64 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 STM32F107RBT6 STMicroelectronics 1: $10.61 3,689On Order	Mfr. Part No. STM32F107RBT6 Mouser Part No 511-STM32F107RBT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex 64/25 CONNECTIVITY LINE M3 Learn More about STMicroelectronics STM32F107	Datasheet	3,689On Order On Order Ship Dates Mfr. No: STM32F107RBT6 Stock: 0 On Order: 809 Expected 2027/04/06 960 Expected 2027/08/16 1,920 TBD Factory Lead Time: 52 Weeks	$10.61 $8.22 $7.28 $6.82 View $6.64 $6.44	Min.: 1 Mult.: 1	STM32F107RB	SMD/SMT	LQFP-64	ARM Cortex M3	128 kB	32 bit	12 bit	72 MHz	51 I/O	64 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 64 Kbytes of Flash 32 MHz CP STM32L100R8T6A STMicroelectronics 1: $7.19 4,800Expected 2027/02/22	Mfr. Part No. STM32L100R8T6A Mouser Part No 511-STM32L100R8T6A	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 64 Kbytes of Flash 32 MHz CP Learn More about STMicroelectronics stm32l1	Datasheet	4,800Expected 2027/02/22	$7.19 $5.37 $4.88 $4.40 View $4.26 $3.84	Min.: 1 Mult.: 1	STM32L100R8-A	SMD/SMT	LQFP-64	ARM Cortex M3	64 kB	32 bit	12 bit	32 MHz	51 I/O	8 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, USB STM32L151CBT6ATR STMicroelectronics 1: $7.48 4,800Expected 2027/02/22	Mfr. Part No. STM32L151CBT6ATR Mouser Part No 511-STM32L151CBT6ATR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, USB Learn More about STMicroelectronics stm32l1	Datasheet	4,800Expected 2027/02/22	Cut Tape $7.48 $5.66 $5.05 $4.72 View Reel $4.00 $4.61 $4.21 $4.00 $4.00 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	STM32L151CB-A	SMD/SMT	LQFP-48	ARM Cortex M3	128 kB	32 bit	12 bit	32 MHz	37 I/O	16 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp STM32L151QEH6 STMicroelectronics 1: $14.99 9,984On Order	Mfr. Part No. STM32L151QEH6 Mouser Part No 511-STM32L151QEH6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp Learn More about STMicroelectronics stm32l1	Datasheet	9,984On Order	$14.99 $11.77 $10.72 $10.08 View $9.61 $9.33 $9.22	Min.: 1 Mult.: 1	STM32L151QE	SMD/SMT	BGA-132	ARM Cortex M3	512 kB	32 bit	12 bit	32 MHz	109 I/O	80 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, MCD, USB, 2xOp STM32L151VET6 STMicroelectronics 1: $12.70 2,921On Order	Mfr. Part No. STM32L151VET6 Mouser Part No 511-STM32L151VET6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, MCD, USB, 2xOp Learn More about STMicroelectronics stm32l1	Datasheet	2,921On Order	$12.70 $9.28 $8.54 $7.95	Min.: 1 Mult.: 1	STM32L151VE	SMD/SMT	LQFP-100	ARM Cortex M3	512 kB	32 bit	12 bit	32 MHz	83 I/O	80 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1754FBD80,518 NXP Semiconductors 1: $13.61 1,960Expected 2026/12/21	Mfr. Part No. LPC1754FBD80,518 Mouser Part No 771-LPC1754FBD80518	NXP Semiconductors	ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core	Datasheet	1,960Expected 2026/12/21	Cut Tape $13.61 $10.34 $9.92 $8.75 $8.35 Reel $7.09 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	LPC1700	SMD/SMT	LQFP-80	ARM Cortex M3	128 kB	32 bit	12 bit	100 MHz	52 I/O	32 kB	3.3 V	3.3 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1778FET208K NXP Semiconductors 1: $22.76 1,260Expected 2027/01/04	Mfr. Part No. LPC1778FET208K Mouser Part No 771-LPC1778FET208K	NXP Semiconductors	ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core Learn More about NXP Semiconductors nxplpc1778lpc1788	Datasheet	1,260Expected 2027/01/04	$22.76 $18.39 $17.63 $15.54 View $14.77 $14.10 $13.55	Min.: 1 Mult.: 1	LPC1700	SMD/SMT		ARM Cortex M3	512 kB	32 bit	12 bit	120 MHz	165 I/O	96 kB	3.3 V	3.3 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU High Performance 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1837JET100E NXP Semiconductors 1: $23.68 3,331On Order	Mfr. Part No. LPC1837JET100E Mouser Part No 771-LPC1837JET100E	NXP Semiconductors	ARM Microcontrollers - MCU High Performance 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core Learn More about NXP Semiconductors nxp lpc1830 lpc1850 lpc1857 mcus	Datasheet	3,331On Order On Order Ship Dates Mfr. No: LPC1837JET100E Stock: 0 On Order: 471 Expected 2026/12/14 1,820 Expected 2027/01/04 1,040 Expected 2027/01/18 Factory Lead Time: 39 Weeks	$23.68 $18.54 $17.69 $16.08 View $15.54 $15.17 Quote	Min.: 1 Mult.: 1	LPC183x	SMD/SMT	TFBGA-100	ARM Cortex M3	1 MB	32 bit	2 x 10 bit	180 MHz	49 I/O	136 kB	2.4 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU Tiny Gecko MCU IC EFM32TG110F32-D-QFN24R Silicon Labs 1: $5.06 756Expected 2026/12/04	Mfr. Part No. EFM32TG110F32-D-QFN24R Mouser Part No 634-EFM32TG110F32-DR	Silicon Labs	ARM Microcontrollers - MCU Tiny Gecko MCU IC Learn More about Silicon Labs energymicroefm32tg	Datasheet	756Expected 2026/12/04	Cut Tape $5.06 $3.85 $3.55 $3.22 View Reel $2.90 $3.06 $2.97 $2.93 $2.90 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	EFM32TG	SMD/SMT	QFN-24	ARM Cortex M3	32 kB	32 bit	12 bit	32 MHz	17 I/O	4 kB	1.98 V	3.8 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU MM-LEGACY PSOC135 CY8C5468AXI-LP042 Infineon Technologies 1: $16.04 899Expected 2027/01/28	Mfr. Part No. CY8C5468AXI-LP042 Mouser Part No 727-CY8C5468AXILP042	Infineon Technologies	ARM Microcontrollers - MCU MM-LEGACY PSOC135 Learn More about Infineon Technologies cypress psoc 5lp socs	Datasheet	899Expected 2027/01/28	$16.04 $12.32 $11.68 $10.32 View $9.90 $9.80 $9.79 Quote	Min.: 1 Mult.: 1		SMD/SMT	TQFP-100	ARM Cortex M3	64 kB	32 bit	12 bit	67 MHz	62 I/O	16 kB	1.71 V	1.89 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 128K Flash 32K SRAM PSoC 5LP CY8C5867LTI-LP025 Infineon Technologies 1: $24.93 512Expected 2027/10/07	Mfr. Part No. CY8C5867LTI-LP025 Mouser Part No 727-CY8C5867LTILP025	Infineon Technologies	ARM Microcontrollers - MCU 128K Flash 32K SRAM PSoC 5LP Learn More about Infineon Technologies cypress psoc5lp	Datasheet	512Expected 2027/10/07	$24.93 $19.91 $18.01 $17.31 View $16.68 $15.92 Quote	Min.: 1 Mult.: 1	CY8C58LPxxx	SMD/SMT	QFN-68	ARM Cortex M3	128 kB	32 bit	12 bit	67 MHz	46 I/O	32 kB	1.71 V	1.89 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU PSoC5LP CY8C5888LTQ-LP097 Infineon Technologies 1: $31.24 468Expected 2026/11/05	Mfr. Part No. CY8C5888LTQ-LP097 Mouser Part No 727-CY8C5888LTQLP097	Infineon Technologies	ARM Microcontrollers - MCU PSoC5LP Learn More about Infineon Technologies cypress psoc 5lp socs	Datasheet	468Expected 2026/11/05	$31.24 $24.43 $23.32 $21.21 $19.61	Min.: 1 Mult.: 1		SMD/SMT	QFN-68	ARM Cortex M3	256 kB	32 bit	12 bit	80 MHz	38 I/O	64 kB	1.71 V	1.89 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream Valueline ARM Cortex-M3 MCU STM32F100VBT7B STMicroelectronics 1: $8.13 258In Stock	Mfr. Part No. STM32F100VBT7B Mouser Part No 511-STM32F100VBT7B	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Valueline ARM Cortex-M3 MCU Learn More about STMicroelectronics stm32f1	Datasheet	258In Stock	$8.13 $5.83 $5.33 $5.18 View $4.77 $4.70 $4.64	Min.: 1 Mult.: 1	STM32F100VB	SMD/SMT		ARM Cortex M3	128 kB	32 bit	12 bit	24 MHz	80 I/O	8 kB	2 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 1 Mbyte of Flash , 120 MHz CPU, ART Accel STM32F205RGT6W STMicroelectronics 1: $20.26 44In Stock NRND	Mfr. Part No. STM32F205RGT6W Mouser Part No 511-STM32F205RGT6W NRND	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 1 Mbyte of Flash , 120 MHz CPU, ART Accel Learn More about STMicroelectronics stm32f2	Datasheet	44In Stock	$20.26 $16.07 $14.84 $13.75 View $13.49 $12.96 $12.94 Quote	Min.: 1 Mult.: 1	STM32F205RG	SMD/SMT	LQFP-64	ARM Cortex M3	1 MB	32 bit	12 bit	120 MHz	51 I/O	128 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb LCD Ultralow STM32L152RBT6 STMicroelectronics 1: $9.82 5In Stock NRND	Mfr. Part No. STM32L152RBT6 Mouser Part No 511-STM32L152RBT6 NRND	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb LCD Ultralow Learn More about STMicroelectronics stm32l1	Datasheet	5In Stock	$9.82 $7.61 $6.73 $6.30 $5.50	Min.: 1 Mult.: 1	STM32L152RB	SMD/SMT	LQFP-64	ARM Cortex M3	128 kB	32 bit	12 bit	32 MHz	51 I/O	16 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT CORTEX M3 48PINS 16KB STM32F100C4T6B STMicroelectronics 1: $5.28 3,000Expected 2027/01/18	Mfr. Part No. STM32F100C4T6B Mouser Part No 511-STM32F100C4T6B	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 48PINS 16KB Learn More about STMicroelectronics stm32f1	Datasheet	3,000Expected 2027/01/18	$5.28 $3.88 $3.54 $3.26 View $2.99 $2.91 $2.85 $2.76	Min.: 1 Mult.: 1	STM32F100C4	SMD/SMT	LQFP-48	ARM Cortex M3	16 kB	32 bit	12 bit	24 MHz	37 I/O	4 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32BIT CORTEX M3 64K Flash 8KB RAM STM32F100R8H6B STMicroelectronics 1: $7.23 3,836Expected 2027/04/26	Mfr. Part No. STM32F100R8H6B Mouser Part No 511-STM32F100R8H6B	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 64K Flash 8KB RAM Learn More about STMicroelectronics stm32f1	Datasheet	3,836Expected 2027/04/26	$7.23 $5.33 $4.95 $4.36 View $4.13 $3.71 $3.55 $3.45	Min.: 1 Mult.: 1	STM32F100R8	SMD/SMT		ARM Cortex M3	128 kB	32 bit	12 bit	24 MHz	51 I/O	8 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray