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128 kB ARM Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) 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 Mainstream Arm Cortex-M0+ MCU 128 Kbytes of Flash, 36 Kbytes RAM, 64 MHz CPU STM32G081KBU6 STMicroelectronics 1: HK$38.63 13,469Expected 8/3/2027	Mfr. Part No. STM32G081KBU6 Mouser Part No 511-STM32G081KBU6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 128 Kbytes of Flash, 36 Kbytes RAM, 64 MHz CPU Learn More about STMicroelectronics stm stm32g0 microcontrollers	Datasheet	13,469Expected 8/3/2027	HK$38.63 HK$25.56 HK$23.34 HK$19.81 View HK$18.82 HK$16.93 HK$16.85	Min.: 1 Mult.: 1 Max.: 2,940	STM32G0	SMD/SMT	UFQFPN-32	ARM Cortex M0+	128 kB	32 bit	12 bit	64 MHz	30 I/O	36 kB	1.7 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz with 128 Kbytes of Flash memory STM32G431CBT6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32G431CBT6 Mouser Part No 511-STM32G431CBT6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz with 128 Kbytes of Flash memory Learn More about STMicroelectronics stm stm32g4 mcus Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32G4	SMD/SMT	LQFP-48	ARM Cortex M4	128 kB	32 bit	2 x 12 bit	170 MHz	38 I/O	32 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes of Flash Math Accel, Medium Anal STM32G431CBU3 STMicroelectronics Restricted Availability	Mfr. Part No. STM32G431CBU3 Mouser Part No 511-STM32G431CBU3	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes of Flash Math Accel, Medium Anal Learn More about STMicroelectronics stm stm32g4 mcus Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32G4	SMD/SMT	UFQFPN-48	ARM Cortex M4	128 kB	32 bit	12 bit	170 MHz	38 I/O	32 kB	1.7 V	3.6 V	- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes of Flash Math Accel, Medium Anal STM32G431CBU6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32G431CBU6 Mouser Part No 511-STM32G431CBU6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes of Flash Math Accel, Medium Anal Learn More about STMicroelectronics stm stm32g4 mcus Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32G4	SMD/SMT	UFQFPN-48	ARM Cortex M4	128 kB	32 bit	2 x 12 bit	170 MHz	42 I/O	32 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes of Flash Math Accel, Medium Anal STM32G431KBU3 STMicroelectronics Restricted Availability	Mfr. Part No. STM32G431KBU3 Mouser Part No 511-STM32G431KBU3	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes of Flash Math Accel, Medium Anal Learn More about STMicroelectronics stm stm32g4 mcus Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32G4	SMD/SMT	UFQFPN-32	ARM Cortex M4	128 kB	32 bit	2 x 12 bit	170 MHz	26 I/O	32 kB	1.7 V	3.6 V	- 40 C	+ 125 C		Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes of Flash Math Accel, Medium Anal STM32G431KBU6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32G431KBU6 Mouser Part No 511-STM32G431KBU6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes of Flash Math Accel, Medium Anal Learn More about STMicroelectronics stm stm32g4 mcus Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32G4	SMD/SMT	UFQFPN-32	ARM Cortex M4	128 kB	32 bit	16 bit	170 MHz	26 I/O	32 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes of Flash Math Accel, HR Timer, H STM32G474CBU6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32G474CBU6 Mouser Part No 511-STM32G474CBU6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes of Flash Math Accel, HR Timer, H Learn More about STMicroelectronics stm stm32g4 mcus Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32G4	SMD/SMT	UFQFPN-48	ARM Cortex M4	128 kB	32 bit	12 bit	170 MHz	42 I/O	128 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Tray
ARM Microcontrollers - MCU Arm Cortex-M33 32-bit 250MHz, 128 Kbytes of Flash, 32 Kbytes of RAM, I3C STM32H503EBY6TR STMicroelectronics Restricted Availability	Mfr. Part No. STM32H503EBY6TR Mouser Part No 511-STM32H503EBY6TR	STMicroelectronics	ARM Microcontrollers - MCU Arm Cortex-M33 32-bit 250MHz, 128 Kbytes of Flash, 32 Kbytes of RAM, I3C Learn More about STMicroelectronics stm stm32h5 mcus Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32H5	SMD/SMT	WLCSP-25	ARM Cortex M33	128 kB	32 bit	12 bit	250 MHz	19 I/O	32 kB	1.71 V	3.6 V	- 40 C	+ 85 C		Reel, Cut Tape
ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 128-Kbyte Flash 32-Kbyte RAM 250 MHz CPU STM32H503KBU7 STMicroelectronics Restricted Availability	Mfr. Part No. STM32H503KBU7 Mouser Part No 511-STM32H503KBU7	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 128-Kbyte Flash 32-Kbyte RAM 250 MHz CPU Learn More about STMicroelectronics stm stm32h5 mcus Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32H5	SMD/SMT	UFQFPN-32	ARM Cortex M33	128 kB	32 bit	12 bit	250 MHz	24 I/O	32 kB	1.71 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU High-performance & DSP DP-FPU, Arm Cortex-M7 MCU 128Kbytes of Flash 1MB RAM, 480 STM32H750IBK6 STMicroelectronics 1: HK$116.23 2,016On Order	Mfr. Part No. STM32H750IBK6 Mouser Part No 511-STM32H750IBK6	STMicroelectronics	ARM Microcontrollers - MCU High-performance & DSP DP-FPU, Arm Cortex-M7 MCU 128Kbytes of Flash 1MB RAM, 480 Learn More about STMicroelectronics stm stm32h7 mcus	Datasheet	2,016On Order	HK$116.23 HK$91.08 HK$82.86 HK$78.34 HK$74.97	Min.: 1 Mult.: 1	STM32H7	SMD/SMT	UFBGA-176	ARM Cortex M7	128 kB	32 bit	3 x 16 bit	480 MHz	140 I/O	1 MB	1.62 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 Restricted Availability	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 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	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 FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash STM32L431CBT6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32L431CBT6 Mouser Part No 511-STM32L431CBT6	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 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32L431CB	SMD/SMT	LQFP-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 Flash memory STM32L431CBT6TR STMicroelectronics Restricted Availability	Mfr. Part No. STM32L431CBT6TR Mouser Part No 511-STM32L431CBT6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes Flash memory Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability		SMD/SMT	LQFP-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		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash STM32L431KBU3 STMicroelectronics Restricted Availability	Mfr. Part No. STM32L431KBU3 Mouser Part No 511-STM32L431KBU3	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 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32L431KB	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	+ 125 C		Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash STM32L431KBU6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32L431KBU6 Mouser Part No 511-STM32L431KBU6	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 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32L431KB	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 Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1754FBD80,518 NXP Semiconductors Restricted Availability	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 Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	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 Kinetis 128K Flex MK20DX128VMC7 NXP Semiconductors Restricted Availability	Mfr. Part No. MK20DX128VMC7 Mouser Part No 841-MK20DX128VMC7	NXP Semiconductors	ARM Microcontrollers - MCU Kinetis 128K Flex Learn More about NXP Semiconductors nxp kinetis k2x mcu Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	K20_50	SMD/SMT	MAPBGA-121	ARM Cortex M4	128 kB	32 bit	2 x 16 bit	72 MHz	70 I/O	32 kB	1.71 V	3.6 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU 48TQFP,85C TEMP, GREEN, 5V, 48MHZ, T&R ATSAMC21G17A-AUT Microchip Technology Restricted Availability	Mfr. Part No. ATSAMC21G17A-AUT Mouser Part No 556-ATSAMC21G17A-AUT	Microchip Technology	ARM Microcontrollers - MCU 48TQFP,85C TEMP, GREEN, 5V, 48MHZ, T&R Learn More about Microchip Technology atmel smart samc mcu Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	ATSAMC21	SMD/SMT	TQFP-48	ARM Cortex M0+	128 kB	32 bit	2 x 12 bit	48 MHz	38 I/O	16 kB	2.7 V	5.5 V	- 40 C	+ 85 C	AEC-Q100	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU CM0,QFN64, 128kFlash,T&R,USB, I Temp ATSAMD21J17D-MUT Microchip Technology Restricted Availability	Mfr. Part No. ATSAMD21J17D-MUT Mouser Part No 556-ATSAMD21J17D-MUT	Microchip Technology	ARM Microcontrollers - MCU CM0,QFN64, 128kFlash,T&R,USB, I Temp Learn More about Microchip Technology sam d21 mcus Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	SAMD21	SMD/SMT	VQFN-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	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 128 kB AES MCU EFM32PG23B200F128IM40-CR Silicon Labs 1: HK$27.87 2,497Expected 4/12/2026	Mfr. Part No. EFM32PG23B200F128IM40-CR Mouser Part No 634-PG2320F128IM40CR	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 80 MHz 128 kB AES MCU Learn More about Silicon Labs efm32pg23 microcontrollers	Datasheet	2,497Expected 4/12/2026	Cut Tape HK$27.87 HK$20.80 HK$18.99 HK$17.02 View Reel HK$13.32 HK$16.11 HK$15.78 HK$13.32 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PG23	SMD/SMT	QFN-40	ARM Cortex M33	128 kB	32 bit	12 bit/16 bit/20 bit	80 MHz	29 I/O	64 kB	1.71 V	3.8 V	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU HMI-LEGACY PSOC4 CY8C4127AXI-S443 Infineon Technologies Restricted Availability	Mfr. Part No. CY8C4127AXI-S443 Mouser Part No 727-CY8C4127AXI-S443	Infineon Technologies	ARM Microcontrollers - MCU HMI-LEGACY PSOC4 Learn More about Infineon Technologies cypress semiconductor psoc4100s plus Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	PSOC 4100S Plus	SMD/SMT	TQFP-44	ARM Cortex M0+	128 kB	32 bit	10 bit, 12 bit	24 MHz	36 I/O	16 kB	1.71 V	5.5 V	- 40 C	+ 105 C		Tray
ARM Microcontrollers - MCU Mainstream Valueline ARM Cortex-M3 MCU STM32F100VBT7B STMicroelectronics 1: HK$68.97 248In 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	248In Stock	HK$68.97 HK$49.40 HK$45.21 HK$42.25 View HK$39.70 HK$39.37 Quote	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 32-Bit Arm Cortex M3 128kb LCD Ultralow STM32L152RBT6 STMicroelectronics Restricted Availability 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 Mouser does not sell this product in your region.	Datasheet			Restricted Availability	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 Mainstream Arm Cortex-M0+ MCU 128 Kbytes Flash 24 Kbytes RAM 48 MHz CPU 2x USART STM32C071CBT6 STMicroelectronics Restricted Availability	Mfr. Part No. STM32C071CBT6 Mouser Part No 511-STM32C071CBT6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 128 Kbytes Flash 24 Kbytes RAM 48 MHz CPU 2x USART Learn More about STMicroelectronics stm stm32c0x mcus Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32C0			ARM Cortex M0	128 kB			48 MHz		24 kB						Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 128 Kbytes Flash 24 Kbytes RAM 48 MHz CPU 2x USART STM32C071GBU6N STMicroelectronics Restricted Availability	Mfr. Part No. STM32C071GBU6N Mouser Part No 511-STM32C071GBU6N	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 128 Kbytes Flash 24 Kbytes RAM 48 MHz CPU 2x USART Learn More about STMicroelectronics stm stm32c0x mcus Mouser does not sell this product in your region.	Datasheet	More Info Available		Restricted Availability	STM32C0			ARM Cortex M0	128 kB			48 MHz		24 kB						Tray