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128 kB 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	Qualification	Packaging
ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 128 Kbytes of Flash 32 MHz C STM32L100RBT6ATR STMicroelectronics 1: $6.86 542In Stock	Mfr. Part # STM32L100RBT6ATR Mouser Part # 511-STM32L100RBT6ATR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 128 Kbytes of Flash 32 MHz C Learn More about STMicroelectronics stm32l1	Datasheet	542In Stock	Cut Tape $6.86 $5.28 $4.64 $4.44 Reel $4.10 View $4.27 $3.94 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32L100RB-A	SMD/SMT	LQFP-64	ARM Cortex M3	128 kB	32 bit	12 bit	32 MHz	51 I/O	10 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 128 Kbytes of Flash , 32 MHz CPU, USB STM32L151CBT6A STMicroelectronics 1: $6.96 1,046In Stock	Mfr. Part # STM32L151CBT6A Mouser Part # 511-STM32L151CBT6A	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	1,046In Stock	$6.96 $5.18 $4.76 $4.40 View $4.22 $4.07 $4.02 $3.96 Quote	Min.: 1 Mult.: 1	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		Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, USB STM32L151CBU6A STMicroelectronics 1: $7.99 2,232In Stock	Mfr. Part # STM32L151CBU6A Mouser Part # 511-STM32L151CBU6A	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	2,232In Stock	$7.99 $5.58 $5.32 $4.62 View $4.41 $4.21 $4.10 $3.99 Quote	Min.: 1 Mult.: 1	STM32L151CB-A	SMD/SMT	UFQPFN-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		Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB STM32L412CBU6 STMicroelectronics 1: $4.32 4,841In Stock 7,800Expected 2/22/2027	Mfr. Part # STM32L412CBU6 Mouser Part # 511-STM32L412CBU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	4,841In Stock 7,800Expected 2/22/2027	$4.32 $3.26 $2.84 $2.71 View $2.56 $2.48 $2.46	Min.: 1 Mult.: 1 Max.: 1,000	STM32L412CB	SMD/SMT		ARM Cortex M4	128 kB	32 bit	2 x 12 bit	80 MHz	38 I/O	40 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB STM32L412KBU6 STMicroelectronics 1: $4.98 2,176In Stock 11,760On Order	Mfr. Part # STM32L412KBU6 Mouser Part # 511-STM32L412KBU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	2,176In Stock 11,760On Order On Order Ship Dates Mfr. #: STM32L412KBU6 Stock: 2,176 Can Ship Immediately On Order: 5,880 Expected 2/22/2027 5,880 TBD Factory Lead-Time: 52 Weeks	$4.98 $3.30 $2.91 $2.74 View $2.51 $2.44	Min.: 1 Mult.: 1 Max.: 2,940	STM32L412KB	SMD/SMT	UFQFPN-32	ARM Cortex M4	128 kB	32 bit	2 x 12 bit	80 MHz	26 I/O	40 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB STM32L412RBT6 STMicroelectronics 1: $5.46 2,197In Stock	Mfr. Part # STM32L412RBT6 Mouser Part # 511-STM32L412RBT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	2,197In Stock	$5.46 $3.97 $3.62 $3.26 View $3.18 $2.93	Min.: 1 Mult.: 1 Max.: 750	STM32L412RB	SMD/SMT		ARM Cortex M4	128 kB	32 bit	2 x 12 bit	80 MHz	52 I/O	40 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB STM32L412RBT6P STMicroelectronics 1: $4.99 995In Stock	Mfr. Part # STM32L412RBT6P Mouser Part # 511-STM32L412RBT6P	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB	Datasheet	995In Stock	$4.99 $3.79 $3.30 $3.15	Min.: 1 Mult.: 1 Max.: 250	STM32L412RB	SMD/SMT	LQFP-64	ARM Cortex M4	128 kB	32 bit	2 x 12 bit	80 MHz	52 I/O	40 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash STM32L431RBT6 STMicroelectronics 1: $6.33 670In Stock 1,920Expected 2/22/2027	Mfr. Part # STM32L431RBT6 Mouser Part # 511-STM32L431RBT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	670In Stock 1,920Expected 2/22/2027	$6.33 $4.47 $4.17 $3.67	Min.: 1 Mult.: 1 Max.: 150	STM32L431RB	SMD/SMT	LQFP-64	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	52 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU ARM Cortex-M4MCU 80 MHz, 128Kbytes Flash STM32L432KBU6 STMicroelectronics 1: $5.03 4,967In Stock	Mfr. Part # STM32L432KBU6 Mouser Part # 511-STM32L432KBU6	STMicroelectronics	ARM Microcontrollers - MCU ARM Cortex-M4MCU 80 MHz, 128Kbytes Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	4,967In Stock	$5.03 $3.82 $3.33 $3.18 $2.93	Min.: 1 Mult.: 1 Max.: 500	STM32L432KB	SMD/SMT	UFQFPN-32	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	26 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB FS, LCD STM32L433CBU6 STMicroelectronics 1: $5.21 1,971In Stock 3,120On Order	Mfr. Part # STM32L433CBU6 Mouser Part # 511-STM32L433CBU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB FS, LCD Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	1,971In Stock 3,120On Order	$5.21 $3.96 $3.46 $3.30 View $3.04 $3.00	Min.: 1 Mult.: 1 Max.: 1,560	STM32L433CB	SMD/SMT	UFQFPN-48	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	38 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB FS, LCD STM32L433RBT6 STMicroelectronics 1: $5.87 614In Stock 2,880On Order	Mfr. Part # STM32L433RBT6 Mouser Part # 511-STM32L433RBT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB FS, LCD Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	614In Stock 2,880On Order On Order Ship Dates Mfr. #: STM32L433RBT6 Stock: 614 Can Ship Immediately On Order: 960 Expected 2/22/2027 1,920 TBD Factory Lead-Time: 52 Weeks	$5.87 $4.48 $3.92 $3.75 $3.46	Min.: 1 Mult.: 1 Max.: 500	STM32L433RB	SMD/SMT	LQFP-64	ARM Cortex M4	128 kB	32 bit	12 bit	80 MHz	52 I/O	64 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU GRNIND TEMPMRL A ATSAM4S2BA-AU Microchip Technology 1: $4.28 2,479In Stock	Mfr. Part # ATSAM4S2BA-AU Mouser Part # 556-ATSAM4S2BA-AU	Microchip Technology	ARM Microcontrollers - MCU GRNIND TEMPMRL A Learn More about Microchip Technology atmelsam4s	Datasheet	2,479In Stock	$4.28 $3.89 $3.53	Min.: 1 Mult.: 1	SAM4S	SMD/SMT	LQFP-64	ARM Cortex M4	128 kB	32 bit	12 bit	120 MHz	47 I/O	64 kB	1.08 V	1.32 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU 128KB 16KB32TQFP GRN1.6-3.6V48MHz ATSAMD21E17A-AU Microchip Technology 1: $2.80 751In Stock	Mfr. Part # ATSAMD21E17A-AU Mouser Part # 556-ATSAMD21E17A-AU	Microchip Technology	ARM Microcontrollers - MCU 128KB 16KB32TQFP GRN1.6-3.6V48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	751In Stock	$2.80 $2.55 $2.33 $2.32 $2.31	Min.: 1 Mult.: 1	SAMD21	SMD/SMT	TQFP-32	ARM Cortex M0+	128 kB	32 bit	12 bit	48 MHz	26 I/O	16 kB	1.62 V	3.63 V	- 40 C	+ 85 C	AEC-Q100	Tray
ARM Microcontrollers - MCU 128KB 16KB32TQFP GRN1.6-3.6V48MHz ATSAMD21E17A-AUT Microchip Technology 1: $2.99 1,440In Stock	Mfr. Part # ATSAMD21E17A-AUT Mouser Part # 556-ATSAMD21E17A-AUT	Microchip Technology	ARM Microcontrollers - MCU 128KB 16KB32TQFP GRN1.6-3.6V48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	1,440In Stock	Cut Tape $2.99 $2.90 Reel $2.47 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SAMD21	SMD/SMT	TQFP-32	ARM Cortex M0+	128 kB	32 bit	12 bit	48 MHz	26 I/O	16 kB	1.62 V	3.63 V	- 40 C	+ 85 C	AEC-Q100	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32QFN 125C, GREEN,1.6-3.6V,48MHz ATSAMD21E17A-MF Microchip Technology 1: $3.02 542In Stock	Mfr. Part # ATSAMD21E17A-MF Mouser Part # 556-ATSAMD21E17A-MF	Microchip Technology	ARM Microcontrollers - MCU 32QFN 125C, GREEN,1.6-3.6V,48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	542In Stock	$3.02 $2.76 $2.50	Min.: 1 Mult.: 1	SAMD21	SMD/SMT	QFN-32	ARM Cortex M0+	128 kB	32 bit	12 bit	48 MHz	26 I/O	16 kB	1.62 V	3.63 V	- 40 C	+ 125 C	AEC-Q100	Tray
ARM Microcontrollers - MCU 128KB 16KB32QFN GRN1.6-3.6V48MHz ATSAMD21E17A-MU Microchip Technology 1: $2.87 613In Stock	Mfr. Part # ATSAMD21E17A-MU Mouser Part # 556-ATSAMD21E17A-MU	Microchip Technology	ARM Microcontrollers - MCU 128KB 16KB32QFN GRN1.6-3.6V48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	613In Stock	$2.87 $2.60 $2.35	Min.: 1 Mult.: 1	SAMD21	SMD/SMT	QFN-32	ARM Cortex M0+	128 kB	32 bit	12 bit	48 MHz	26 I/O	16 kB	1.62 V	3.63 V	- 40 C	+ 85 C	AEC-Q100	Tray
ARM Microcontrollers - MCU 48QFN 125C, GREEN,1.6-3.6V,48MHz ATSAMD21G17A-MF Microchip Technology 1: $3.20 1,048In Stock	Mfr. Part # ATSAMD21G17A-MF Mouser Part # 556-ATSAMD21G17A-MF	Microchip Technology	ARM Microcontrollers - MCU 48QFN 125C, GREEN,1.6-3.6V,48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	1,048In Stock	$3.20 $2.90 $2.63	Min.: 1 Mult.: 1	SAMD21	SMD/SMT	QFN-48	ARM Cortex M0+	128 kB	32 bit	12 bit	48 MHz	38 I/O	16 kB	1.62 V	3.63 V	- 40 C	+ 125 C	AEC-Q100	Tray
ARM Microcontrollers - MCU 128KB 16KB 48QFN GRN1.6-3.6V48MHz ATSAMD21G17A-MUT Microchip Technology 1: $2.99 2,000In Stock 4,000Expected 11/16/2026	Mfr. Part # ATSAMD21G17A-MUT Mouser Part # 556-ATSAMD21G17A-MUT	Microchip Technology	ARM Microcontrollers - MCU 128KB 16KB 48QFN GRN1.6-3.6V48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	2,000In Stock 4,000Expected 11/16/2026	Cut Tape $2.99 $2.90 Reel $2.46 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	SAMD21	SMD/SMT	QFN-48	ARM Cortex M0+	128 kB	32 bit	12 bit	48 MHz	38 I/O	16 kB	1.62 V	3.63 V	- 40 C	+ 85 C	AEC-Q100	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 128KB 16KB 64TQFP GRN1.6-3.6V48MHz ATSAMD21J17A-AU Microchip Technology 1: $3.11 3,420In Stock	Mfr. Part # ATSAMD21J17A-AU Mouser Part # 556-ATSAMD21J17A-AU	Microchip Technology	ARM Microcontrollers - MCU 128KB 16KB 64TQFP GRN1.6-3.6V48MHz Learn More about Microchip Technology sam d21 mcus	Datasheet	3,420In Stock	$3.11 $2.81 $2.56	Min.: 1 Mult.: 1	SAMD21	SMD/SMT	TQFP-64	ARM Cortex M0+	128 kB	32 bit	12 bit	48 MHz	52 I/O	16 kB	1.62 V	3.63 V	- 40 C	+ 85 C	AEC-Q100	Tray
ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C123AE6PMI A A 595-TM4C123AE6PMI TM4C123AE6PMIR Texas Instruments 1: $12.94 322In Stock	Mfr. Part # TM4C123AE6PMIR Mouser Part # 595-TM4C123AE6PMIR	Texas Instruments	ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C123AE6PMI A A 595-TM4C123AE6PMI Learn More about Texas Instruments ti tiva C	Datasheet	322In Stock	Cut Tape $12.94 $10.16 $9.04 $8.70 View Reel $7.22 $8.43 $8.12 $7.22 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	TM4C123AE6PM	SMD/SMT	LQFP-64	ARM Cortex M4F	128 kB	32 bit	12 bit	80 MHz	49 I/O	32 kB	1.08 V	1.32 V	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU EFM32TG11B120F128GQ48-BR Silicon Labs 1: $5.60 860In Stock	Mfr. Part # EFM32TG11B120F128GQ48-BR Mouser Part # 634-EFM32TG128GQ48BR	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU Learn More about Silicon Labs energymicroefm32tg	Datasheet	860In Stock	Cut Tape $5.60 $4.26 $3.93 $3.56 Reel $3.24 View $3.39 $3.28 $3.20	Min.: 1 Mult.: 1 : 1,000	EFM32TG11	SMD/SMT	QFP-48	ARM Cortex M0+	128 kB	32 bit	12 bit	48 MHz	37 I/O	32 kB	1.8 V	3.8 V	- 40 C	+ 85 C		Reel, Cut Tape
ARM Microcontrollers - MCU PSOC BASED - HV FAMILY CY8C4147LCE-HV423 Infineon Technologies 1: $9.58 804In Stock	Mfr. Part # CY8C4147LCE-HV423 Mouser Part # 727-8C4147LCE-HV423	Infineon Technologies	ARM Microcontrollers - MCU PSOC BASED - HV FAMILY Learn More about Infineon Technologies infineon psoc 4 hv pa mcus	Datasheet	804In Stock	$9.58 $7.19 $6.85 $5.95 View $5.68 $5.20 $4.92 Quote	Min.: 1 Mult.: 1		SMD/SMT	QFN-32	ARM Cortex M0+	128 kB	32 bit		48 MHz	8 I/O	8 kB	1.71 V	5.5 V	- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU 5.50 V, PSoC 5 CapSense Plus CY8C5267AXI-LP051 Infineon Technologies 1: $14.72 572In Stock 900Expected 12/24/2026	Mfr. Part # CY8C5267AXI-LP051 Mouser Part # 727-CY8C5267AXILP051	Infineon Technologies	ARM Microcontrollers - MCU 5.50 V, PSoC 5 CapSense Plus Learn More about Infineon Technologies cypress psoc5lp	Datasheet	572In Stock 900Expected 12/24/2026	$14.72 $11.61 $10.02 $9.70 View $9.39 $9.04 Quote	Min.: 1 Mult.: 1	CY8C52LPxxx	SMD/SMT	TQFP-100	ARM Cortex M3	128 kB	32 bit	12 bit	67 MHz	72 I/O	32 kB	1.71 V	1.89 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU PSOC 5 LP, 67MHZ 2AB 256K FLASH CY8C5467LTI-LP003 Infineon Technologies 1: $13.92 928In Stock	Mfr. Part # CY8C5467LTI-LP003 Mouser Part # 727-CY8C5467LTILP003	Infineon Technologies	ARM Microcontrollers - MCU PSOC 5 LP, 67MHZ 2AB 256K FLASH Learn More about Infineon Technologies cypress psoc5lp	Datasheet	928In Stock	$13.92 $10.95 $9.77 $9.40 View $8.99 $8.94 $8.60 Quote	Min.: 1 Mult.: 1	CY8C54LPxxx	SMD/SMT	QFN-68	ARM Cortex M3	128 kB	32 bit	12 bit	67 MHz	48 I/O	32 kB	1.71 V	1.89 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU PSOC 5LP PERFO ANLOG 67MHZ,128K CY8C5867AXI-LP024 Infineon Technologies 1: $29.78 535In Stock	Mfr. Part # CY8C5867AXI-LP024 Mouser Part # 727-CY8C5867AXILP024	Infineon Technologies	ARM Microcontrollers - MCU PSOC 5LP PERFO ANLOG 67MHZ,128K Learn More about Infineon Technologies cypress psoc5lp	Datasheet	535In Stock	$29.78 $23.30 $22.25 $20.22 View $19.52 $19.07 Quote	Min.: 1 Mult.: 1	CY8C58LPxxx	SMD/SMT	TQFP-100	ARM Cortex M3	128 kB	32 bit	12 bit	67 MHz			1.71 V	1.89 V	- 40 C	+ 85 C		Tray