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128 kB Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Core	Data Bus Width	Maximum Clock Frequency	Program Memory Size	Data RAM Size	ADC Resolution	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Maximum Operating Temperature	Packaging
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 128-Kbytes of Flash , 32 MHz CPU, USB, AES STM32L082KBU6 STMicroelectronics 1: 4,38 € 1.028In Stock	Mfr. Part No. STM32L082KBU6 Mouser Part No 511-STM32L082KBU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 128-Kbytes of Flash , 32 MHz CPU, USB, AES Learn More about STMicroelectronics stm32l0	Datasheet	1.028In Stock	4,38 € 3,33 € 2,91 € 2,77 € View 2,55 € 2,52 € Quote	Min.: 1 Mult.: 1	SMD/SMT	UFQFPN-32	ARM Cortex M0+	32 bit	32 MHz	128 kB	20 kB	12 bit	25 I/O	1.8 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 128 Kbytes of Flash 32 MHz C STM32L100RBT6A STMicroelectronics 1: 6,29 € 831In Stock	Mfr. Part No. STM32L100RBT6A Mouser Part No 511-STM32L100RBT6A	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	831In Stock	6,29 € 4,83 € 4,25 € 3,96 € View 3,72 € 3,69 € 3,66 € Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M3	32 bit	32 MHz	128 kB	10 kB	12 bit	51 I/O	1.8 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 128 Kbytes of Flash 32 MHz C STM32L100RBT6ATR STMicroelectronics 1: 5,90 € 542In Stock	Mfr. Part No. STM32L100RBT6ATR Mouser Part No 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 5,90 € 4,54 € 3,99 € 3,82 € Reel 3,53 € View 3,67 € 3,39 € Quote MouseReel Available	Min.: 1 Mult.: 1 : 1.000	SMD/SMT	LQFP-64	ARM Cortex M3	32 bit	32 MHz	128 kB	10 kB	12 bit	51 I/O	1.8 V	3.6 V	+ 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: 5,99 € 929In Stock	Mfr. Part No. STM32L151CBT6A Mouser Part No 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	929In Stock	5,99 € 4,45 € 4,09 € 3,78 € View 3,63 € 3,50 € 3,46 € 3,41 € Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M3	32 bit	32 MHz	128 kB	16 kB	12 bit	37 I/O	1.8 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 128 Kbytes of Flash , 32 MHz CPU, USB STM32L151CBU6A STMicroelectronics 1: 6,49 € 2.232In Stock	Mfr. Part No. STM32L151CBU6A Mouser Part No 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	6,49 € 4,88 € 4,39 € 4,08 € View 3,88 € 3,73 € 3,68 € 3,66 €	Min.: 1 Mult.: 1	SMD/SMT	UFQPFN-48	ARM Cortex M3	32 bit	32 MHz	128 kB	16 kB	12 bit	37 I/O	1.8 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB STM32L412CBU6 STMicroelectronics 1: 3,72 € 4.439In Stock 7.800Expected 2/22/2027	Mfr. Part No. STM32L412CBU6 Mouser Part No 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	4.439In Stock 7.800Expected 2/22/2027	3,72 € 2,80 € 2,44 € 2,33 € View 2,20 € 2,13 € 2,12 €	Min.: 1 Mult.: 1 Max.: 1.000	SMD/SMT		ARM Cortex M4	32 bit	80 MHz	128 kB	40 kB	2 x 12 bit	38 I/O	1.71 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB STM32L412KBU6 STMicroelectronics 1: 4,28 € 1.676In Stock 11.760On Order	Mfr. Part No. STM32L412KBU6 Mouser Part No 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	1.676In Stock 11.760On Order On Order Ship Dates Mfr. No: STM32L412KBU6 Stock: 1.676 Can Dispatch Immediately On Order: 5.880 Expected 2/22/2027 5.880 TBD Factory Lead Time: 52 Weeks	4,28 € 2,84 € 2,50 € 2,36 € View 2,16 € 2,10 €	Min.: 1 Mult.: 1 Max.: 2.940	SMD/SMT	UFQFPN-32	ARM Cortex M4	32 bit	80 MHz	128 kB	40 kB	2 x 12 bit	26 I/O	1.71 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB STM32L412RBT6 STMicroelectronics 1: 4,70 € 2.329In Stock	Mfr. Part No. STM32L412RBT6 Mouser Part No 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	2.329In Stock	4,70 € 3,41 € 3,11 € 2,80 € View 2,73 € 2,52 €	Min.: 1 Mult.: 1 Max.: 750	SMD/SMT		ARM Cortex M4	32 bit	80 MHz	128 kB	40 kB	2 x 12 bit	52 I/O	1.71 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB STM32L412RBT6P STMicroelectronics 1: 4,43 € 995In Stock	Mfr. Part No. STM32L412RBT6P Mouser Part No 511-STM32L412RBT6P	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash , USB	Datasheet	995In Stock	4,43 € 3,36 € 2,93 € 2,80 €	Min.: 1 Mult.: 1 Max.: 250	SMD/SMT	LQFP-64	ARM Cortex M4	32 bit	80 MHz	128 kB	40 kB	2 x 12 bit	52 I/O	1.71 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash STM32L431CBU6 STMicroelectronics 1: 4,22 € 842In Stock 9.360On Order	Mfr. Part No. STM32L431CBU6 Mouser Part No 511-STM32L431CBU6	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	842In Stock 9.360On Order On Order Ship Dates Mfr. No: STM32L431CBU6 Stock: 842 Can Dispatch Immediately On Order: 3.120 Expected 2/22/2027 6.240 TBD Factory Lead Time: 52 Weeks	4,22 € 3,18 € 2,81 € 2,64 € View 2,49 € 2,22 € 2,20 €	Min.: 1 Mult.: 1 Max.: 1.560	SMD/SMT	UFQFPN-48	ARM Cortex M4	32 bit	80 MHz	128 kB	64 kB	12 bit	38 I/O	1.71 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash STM32L431RBT6 STMicroelectronics 1: 5,44 € 670In Stock 1.920Expected 2/22/2027	Mfr. Part No. STM32L431RBT6 Mouser Part No 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	5,44 € 3,84 € 3,59 € 3,16 €	Min.: 1 Mult.: 1 Max.: 150	SMD/SMT	LQFP-64	ARM Cortex M4	32 bit	80 MHz	128 kB	64 kB	12 bit	52 I/O	1.71 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU ARM Cortex-M4MCU 80 MHz, 128Kbytes Flash STM32L432KBU6 STMicroelectronics 1: 4,33 € 5.316In Stock	Mfr. Part No. STM32L432KBU6 Mouser Part No 511-STM32L432KBU6	STMicroelectronics	ARM Microcontrollers - MCU ARM Cortex-M4MCU 80 MHz, 128Kbytes Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	5.316In Stock	4,33 € 3,29 € 2,86 € 2,73 € 2,52 €	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	UFQFPN-32	ARM Cortex M4	32 bit	80 MHz	128 kB	64 kB	12 bit	26 I/O	1.71 V	3.6 V	+ 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: 4,48 € 1.961In Stock 3.120On Order	Mfr. Part No. STM32L433CBU6 Mouser Part No 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	1.961In Stock 3.120On Order	4,48 € 3,41 € 2,98 € 2,84 € View 2,61 € 2,58 €	Min.: 1 Mult.: 1 Max.: 1.560	SMD/SMT	UFQFPN-48	ARM Cortex M4	32 bit	80 MHz	128 kB	64 kB	12 bit	38 I/O	1.71 V	3.6 V	+ 85 C	Tray
8-bit Microcontrollers - MCU Performance Line, 24 MHz STM8S 8-bit MCU STM8S207CBT6 STMicroelectronics 1: 4,35 € 5.962In Stock	Mfr. Part No. STM8S207CBT6 Mouser Part No 511-STM8S207CBT6	STMicroelectronics	8-bit Microcontrollers - MCU Performance Line, 24 MHz STM8S 8-bit MCU Learn More about STMicroelectronics stm8smcus	Datasheet	5.962In Stock	4,35 € 3,24 € 2,83 € 2,70 € View 2,56 € 2,48 €	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	STM8	8 bit	24 MHz	128 kB	6 kB	10 bit	38 I/O	2.95 V	5.5 V	+ 85 C	Tray
8-bit Microcontrollers - MCU PERF LINE 24 MHZ STM 8-BIT MCU 128 KB STM8S208MBT6B STMicroelectronics 1: 5,79 € 983In Stock	Mfr. Part No. STM8S208MBT6B Mouser Part No 511-STM8S208MBT6B	STMicroelectronics	8-bit Microcontrollers - MCU PERF LINE 24 MHZ STM 8-BIT MCU 128 KB Learn More about STMicroelectronics stm8smcus	Datasheet	983In Stock	5,79 € 4,44 € 3,75 € 3,61 € View 3,43 € 3,36 € 3,23 € Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-80	STM8	8 bit	24 MHz	128 kB	6 kB	10 bit	68 I/O	2.95 V	5.5 V	+ 85 C	Tray
8-bit Microcontrollers - MCU AVRC11N AVR UC 128K FLASH AT90CAN128-16MU Microchip Technology 1: 8,31 € 600In Stock	Mfr. Part No. AT90CAN128-16MU Mouser Part No 556-A90CAN128-16MU	Microchip Technology	8-bit Microcontrollers - MCU AVRC11N AVR UC 128K FLASH Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	600In Stock	8,31 € 7,60 € 6,89 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-64	AVR	8 bit	16 MHz	128 kB	4 kB	10 bit	53 I/O	2.7 V	5.5 V	+ 85 C	Tray
32-bit Microcontrollers - MCU 128KB, 144LQFP 85deg. Green AT32UC3A0128-ALUR Microchip Technology 1: 9,74 € 894In Stock	Mfr. Part No. AT32UC3A0128-ALUR Mouser Part No 556-AT32UC3A0128ALUR	Microchip Technology	32-bit Microcontrollers - MCU 128KB, 144LQFP 85deg. Green Learn More about Microchip Technology microchip a0 a1 series mcus	Datasheet	894In Stock	Cut Tape 9,74 € 9,40 € Reel 8,01 € MouseReel Available	Min.: 1 Mult.: 1 : 800	SMD/SMT	LQFP-144	AVR	32 bit	66 MHz	128 kB	32 kB	10 bit	109 I/O	1.65 V	1.95 V	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU AVRC11 128K Flash Green AT90CAN128-16AUR Microchip Technology 1: 8,46 € 348In Stock 4.000On Order	Mfr. Part No. AT90CAN128-16AUR Mouser Part No 556-AT90CAN128-16AUR	Microchip Technology	8-bit Microcontrollers - MCU AVRC11 128K Flash Green Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	348In Stock 4.000On Order On Order Ship Dates Mfr. No: AT90CAN128-16AUR Stock: 348 Can Dispatch Immediately On Order: 2.000 Expected 11/9/2026 2.000 Expected 1/8/2027 Factory Lead Time: 21 Weeks	Cut Tape 8,46 € 8,26 € Reel 7,02 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	SMD/SMT	TQFP-64	AVR	8 bit	16 MHz	128 kB	4 kB	10 bit	53 I/O	2.7 V	5.5 V	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU USB 128K FLASH 16 MHz AT90USB1286-AU Microchip Technology 1: 8,93 € 721In Stock	Mfr. Part No. AT90USB1286-AU Mouser Part No 556-AT90USB1286-AU	Microchip Technology	8-bit Microcontrollers - MCU USB 128K FLASH 16 MHz	Datasheet	721In Stock	8,93 € 8,19 € 7,41 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-64	AVR	8 bit	16 MHz	128 kB	8 kB	10 bit	48 I/O	2.7 V	5.5 V	+ 85 C	Tray
8-bit Microcontrollers - MCU AVR USB 128K FLASH 16MHz Ind Temp AT90USB1286-MU Microchip Technology 1: 8,88 € 278In Stock	Mfr. Part No. AT90USB1286-MU Mouser Part No 556-AT90USB1286-MU	Microchip Technology	8-bit Microcontrollers - MCU AVR USB 128K FLASH 16MHz Ind Temp	Datasheet	278In Stock	8,88 € 8,15 € 7,37 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-64	AVR	8 bit	16 MHz	128 kB	8 kB	10 bit	48 I/O	2.7 V	5.5 V	+ 85 C	Tray
8-bit Microcontrollers - MCU USB 128K FLASH 16 MHz AT90USB1287-AUR Microchip Technology 1: 9,85 € 727In Stock	Mfr. Part No. AT90USB1287-AUR Mouser Part No 556-AT90USB1287-AUR	Microchip Technology	8-bit Microcontrollers - MCU USB 128K FLASH 16 MHz	Datasheet	727In Stock	Cut Tape 9,85 € 9,61 € Reel 8,18 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	SMD/SMT	TQFP-64	AVR	8 bit	16 MHz	128 kB	8 kB	10 bit	48 I/O	2.7 V	5.5 V	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU AVR USB 128K FLASH AT90USB1287-MU Microchip Technology 1: 9,70 € 363In Stock 3.120On Order	Mfr. Part No. AT90USB1287-MU Mouser Part No 556-AT90USB1287-MU	Microchip Technology	8-bit Microcontrollers - MCU AVR USB 128K FLASH	Datasheet	363In Stock 3.120On Order On Order Ship Dates Mfr. No: AT90USB1287-MU Stock: 363 Can Dispatch Immediately On Order: 780 Expected 12/21/2026 2.340 Expected 1/7/2027 Factory Lead Time: 20 Weeks	9,70 € 8,88 € 8,03 €	Min.: 1 Mult.: 1	SMD/SMT	QFN-64	AVR	8 bit	16 MHz	128 kB	8 kB	10 bit	48 I/O	2.7 V	5.5 V	+ 85 C	Tray
8-bit Microcontrollers - MCU 128kB Flash 4kB EEPROM 54 I/O Pins ATMEGA1281V-8AU Microchip Technology 1: 9,82 € 818In Stock 1.170Expected 1/19/2027	Mfr. Part No. ATMEGA1281V-8AU Mouser Part No 556-ATMEGA1281V8AU	Microchip Technology	8-bit Microcontrollers - MCU 128kB Flash 4kB EEPROM 54 I/O Pins	Datasheet	818In Stock 1.170Expected 1/19/2027	9,82 € 9,02 € 8,17 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-64	AVR	8 bit	8 MHz	128 kB	8 kB	10 bit	54 I/O	1.8 V	5.5 V	+ 85 C	Tray
8-bit Microcontrollers - MCU AVR 128K Flash 16MHz 105 degree C Green ATMEGA128A-AN Microchip Technology 1: 6,49 € 561In Stock	Mfr. Part No. ATMEGA128A-AN Mouser Part No 556-ATMEGA128A-AN	Microchip Technology	8-bit Microcontrollers - MCU AVR 128K Flash 16MHz 105 degree C Green	Datasheet	561In Stock	6,49 € 6,41 € 5,97 € 5,44 €	Min.: 1 Mult.: 1	SMD/SMT	TQFP-64	AVR	8 bit	16 MHz	128 kB	4 kB	10 bit	53 I/O	2.7 V	5.5 V	+ 85 C	Tray
8-bit Microcontrollers - MCU AVR 128K Flash 16MHz 105 degree C Green ATMEGA128A-ANR Microchip Technology 1: 6,60 € 1.331In Stock 2.000Expected 4/8/2027	Mfr. Part No. ATMEGA128A-ANR Mouser Part No 556-ATMEGA128A-ANR	Microchip Technology	8-bit Microcontrollers - MCU AVR 128K Flash 16MHz 105 degree C Green	Datasheet	1.331In Stock 2.000Expected 4/8/2027	Cut Tape 6,60 € 6,45 € Reel 5,48 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	SMD/SMT	TQFP-64	AVR	8 bit	16 MHz	128 kB	4 kB	10 bit	53 I/O	2.7 V	5.5 V	+ 105 C	Reel, Cut Tape, MouseReel