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128 kB 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.	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 High-performance & DSP DP-FPU, Arm Cortex-M7 MCU 128Kbytes of Flash 1MB RAM, 480 STM32H750IBT6 STMicroelectronics 1: $15.89 583In Stock 3,200On Order	Mfr. Part # STM32H750IBT6 Mouser Part # 511-STM32H750IBT6	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	583In Stock 3,200On Order	$15.89 $15.72 $11.25 $10.66 View $10.56 $9.97 $9.94	Min.: 1 Mult.: 1	SMD/SMT	LQFP-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-M0+ MCU 128-Kbytes of Flash , 32 MHz CPU STM32L071CBT6TR STMicroelectronics 1: $4.95 1,003In Stock 4,800On Order	Mfr. Part # STM32L071CBT6TR Mouser Part # 511-STM32L071CBT6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 128-Kbytes of Flash , 32 MHz CPU Learn More about STMicroelectronics stm32l0	Datasheet	1,003In Stock 4,800On Order On Order Ship Dates Mfr. #: STM32L071CBT6TR Stock: 1,003 Can Ship Immediately On Order: 2,400 Expected 2/25/2027 2,400 TBD Factory Lead-Time: 40 Weeks	Cut Tape $4.95 $3.84 $3.47 $3.16 View Reel $2.56 $3.07 $2.71 $2.56 $2.56 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	SMD/SMT	LQFP-48	ARM Cortex M0+	128 kB	32 bit	12 bit	32 MHz	40 I/O	20 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 128-Kbytes of Flash , 32 MHz CPU, USB STM32L072CBT6 STMicroelectronics 1: $5.09 4,510In Stock	Mfr. Part # STM32L072CBT6 Mouser Part # 511-STM32L072CBT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 128-Kbytes of Flash , 32 MHz CPU, USB Learn More about STMicroelectronics stm32l0	Datasheet	4,510In Stock	$5.09 $3.87 $3.38 $3.22 View $2.96 $2.92 $2.88 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M0+	128 kB	32 bit	12 bit	32 MHz	40 I/O	20 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 128-Kbytes of Flash , 32 MHz CPU, USB STM32L072KBU6 STMicroelectronics 1: $5.20 626In Stock 2,940Expected 2/22/2027	Mfr. Part # STM32L072KBU6 Mouser Part # 511-STM32L072KBU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 128-Kbytes of Flash , 32 MHz CPU, USB Learn More about STMicroelectronics stm32l0	Datasheet	626In Stock 2,940Expected 2/22/2027	$5.20 $3.95 $3.44 $3.29 View $3.25 $2.85 $2.79 Quote	Min.: 1 Mult.: 1	SMD/SMT	UFQFPN-32	ARM Cortex M0+	128 kB	32 bit	12 bit	32 MHz	25 I/O	20 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power ARM Cortex-M0+ MCU 128-Kbytes Flash, 32 MHz CPU, AES STM32L081CBT6 STMicroelectronics 1: $4.85 1,660In Stock	Mfr. Part # STM32L081CBT6 Mouser Part # 511-STM32L081CBT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power ARM Cortex-M0+ MCU 128-Kbytes Flash, 32 MHz CPU, AES Learn More about STMicroelectronics stm32l0	Datasheet	1,660In Stock	$4.85 $3.68 $3.21 $3.06 View $2.81 $2.80	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M0+	128 kB	32 bit	12 bit	32 MHz	40 I/O	20 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 128-Kbytes of Flash , 32 MHz CPU, USB, AES STM32L082KBU6 STMicroelectronics 1: $5.09 1,078In Stock	Mfr. Part # STM32L082KBU6 Mouser Part # 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	1,078In Stock	$5.09 $3.87 $3.38 $3.22 View $2.96 $2.93 Quote	Min.: 1 Mult.: 1	SMD/SMT	UFQFPN-32	ARM Cortex M0+	128 kB	32 bit	12 bit	32 MHz	25 I/O	20 kB	1.8 V	3.6 V	- 40 C	+ 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: $7.31 831In Stock	Mfr. Part # STM32L100RBT6A Mouser Part # 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	$7.31 $5.62 $4.94 $4.61 View $4.60 $4.33 $4.29 Quote	Min.: 1 Mult.: 1	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	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: $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	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 1,010In 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	1,010In Stock	$6.96 $5.18 $4.76 $4.40 View $4.22 $4.07 $4.02 $3.96 Quote	Min.: 1 Mult.: 1	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	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 5,688In 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	5,688In 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	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	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	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	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 926In 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	926In Stock 1,920Expected 2/22/2027	$6.33 $4.47 $4.17 $3.67	Min.: 1 Mult.: 1 Max.: 150	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 5,356In 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	5,356In Stock	$5.03 $3.82 $3.33 $3.18 $2.93	Min.: 1 Mult.: 1 Max.: 500	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	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	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
8-bit Microcontrollers - MCU Performance Line, 24 MHz STM8S 8-bit MCU STM8S207CBT6 STMicroelectronics 1: $5.06 5,962In Stock	Mfr. Part # STM8S207CBT6 Mouser Part # 511-STM8S207CBT6	STMicroelectronics	8-bit Microcontrollers - MCU Performance Line, 24 MHz STM8S 8-bit MCU Learn More about STMicroelectronics stm8smcus	Datasheet	5,962In Stock	$5.06 $3.64 $3.28 $3.00 View $2.85 $2.65 $2.34 $2.29 $2.26	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	STM8	128 kB	8 bit	10 bit	24 MHz	38 I/O	6 kB	2.95 V	5.5 V	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU PERF LINE 24 MHZ STM 8-BIT MCU 128 KB STM8S208MBT6B STMicroelectronics 1: $6.73 983In Stock	Mfr. Part # STM8S208MBT6B Mouser Part # 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	$6.73 $5.16 $4.36 $4.20 View $3.99 $3.91 $3.75 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-80	STM8	128 kB	8 bit	10 bit	24 MHz	68 I/O	6 kB	2.95 V	5.5 V	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU AVRC11N AVR UC 128K FLASH AT90CAN128-16MU Microchip Technology 1: $9.66 630In Stock	Mfr. Part # AT90CAN128-16MU Mouser Part # 556-A90CAN128-16MU	Microchip Technology	8-bit Microcontrollers - MCU AVRC11N AVR UC 128K FLASH Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	630In Stock	$9.66 $8.84 $8.01	Min.: 1 Mult.: 1	SMD/SMT	QFN-64	AVR	128 kB	8 bit	10 bit	16 MHz	53 I/O	4 kB	2.7 V	5.5 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU 128KB, 144LQFP 85deg. Green AT32UC3A0128-ALUR Microchip Technology 1: $11.32 894In Stock	Mfr. Part # AT32UC3A0128-ALUR Mouser Part # 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 $11.32 $10.93 Reel $9.31 MouseReel Available	Min.: 1 Mult.: 1 : 800	SMD/SMT	LQFP-144	AVR	128 kB	32 bit	10 bit	66 MHz	109 I/O	32 kB	1.65 V	1.95 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU AVRC11 128K Flash Green AT90CAN128-16AUR Microchip Technology 1: $9.84 348In Stock 4,000On Order	Mfr. Part # AT90CAN128-16AUR Mouser Part # 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. #: AT90CAN128-16AUR Stock: 348 Can Ship Immediately On Order: 2,000 Expected 11/9/2026 2,000 Expected 1/8/2027 Factory Lead-Time: 21 Weeks	Cut Tape $9.84 $9.60 Reel $8.16 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	TQFP-64	AVR	128 kB	8 bit	10 bit	16 MHz	53 I/O	4 kB	2.7 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU USB 128K FLASH 16 MHz AT90USB1286-AU Microchip Technology 1: $10.38 721In Stock	Mfr. Part # AT90USB1286-AU Mouser Part # 556-AT90USB1286-AU	Microchip Technology	8-bit Microcontrollers - MCU USB 128K FLASH 16 MHz	Datasheet	721In Stock	$10.38 $9.52 $8.62	Min.: 1 Mult.: 1	SMD/SMT	TQFP-64	AVR	128 kB	8 bit	10 bit	16 MHz	48 I/O	8 kB	2.7 V	5.5 V	- 40 C	+ 85 C	Tray
8-bit Microcontrollers - MCU AVR USB 128K FLASH 16MHz Ind Temp AT90USB1286-MU Microchip Technology 1: $10.33 278In Stock	Mfr. Part # AT90USB1286-MU Mouser Part # 556-AT90USB1286-MU	Microchip Technology	8-bit Microcontrollers - MCU AVR USB 128K FLASH 16MHz Ind Temp	Datasheet	278In Stock	$10.33 $9.48 $8.57	Min.: 1 Mult.: 1	SMD/SMT	QFN-64	AVR	128 kB	8 bit	10 bit	16 MHz	48 I/O	8 kB	2.7 V	5.5 V	- 40 C	+ 85 C	Tray