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256 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 Mainstream Arm Cortex-M4+ MCU 170MHz with 256Kbytes of Flash memory STM32G491CCU6 STMicroelectronics 1: $7.79 40In Stock 14,040On Order	Mfr. Part # STM32G491CCU6 Mouser Part # 511-STM32G491CCU6	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M4+ MCU 170MHz with 256Kbytes of Flash memory Learn More about STMicroelectronics stm stm32g4 mcus	Datasheet	40In Stock 14,040On Order On Order Ship Dates Mfr. #: STM32G491CCU6 Stock: 40 Can Ship Immediately On Order: 1,560 Expected 2/22/2027 12,480 TBD Factory Lead-Time: 52 Weeks	$7.79 $5.45 $5.19 $4.48 View $4.27 $4.11	Min.: 1 Mult.: 1 Max.: 750	SMD/SMT	UFQFPN-48	ARM Cortex M4	256 kB	32 bit	4 x 12 bit	170 MHz	42 I/O	112 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz C STM32L100RCT6TR STMicroelectronics 1: $8.67 47In Stock 1,000Expected 3/8/2027	Mfr. Part # STM32L100RCT6TR Mouser Part # 511-STM32L100RCT6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz C Learn More about STMicroelectronics stm32l1	Datasheet	47In Stock 1,000Expected 3/8/2027	Cut Tape $8.67 $6.58 $5.90 $5.45 Reel $4.81 View $5.20 $4.94 $4.66 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	32 MHz	51 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 256 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp STM32L151CCT6TR STMicroelectronics 1: $8.91 169In Stock 4,800On Order	Mfr. Part # STM32L151CCT6TR Mouser Part # 511-STM32L151CCT6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp Learn More about STMicroelectronics stm32l1	Datasheet	169In Stock 4,800On Order	Cut Tape $8.91 $6.83 $6.23 $5.65 View Reel $4.85 $5.51 $5.06 $4.85 $4.85 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	SMD/SMT	LQFP-48	ARM Cortex M3	256 kB	32 bit	12 bit	32 MHz	37 I/O	32 kB	1.65 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 256 Kbytes of Flash STM32L431CCU6 STMicroelectronics 1: $6.40 54In Stock 14,040On Order	Mfr. Part # STM32L431CCU6 Mouser Part # 511-STM32L431CCU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	54In Stock 14,040On Order	$6.40 $4.53 $4.22 $3.30 View $3.22 $2.95 $2.85	Min.: 1 Mult.: 1 Max.: 2,000	SMD/SMT	UFQFPN-48	ARM Cortex M4	256 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 256 Kbytes of Flash STM32L431CCU6TR STMicroelectronics 1: $5.93 54In Stock 47,500On Order	Mfr. Part # STM32L431CCU6TR Mouser Part # 511-STM32L431CCU6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	54In Stock 47,500On Order	Cut Tape $5.93 $4.65 $4.00 $3.66 View Reel $3.05 $3.54 $3.30 $3.23 $3.05 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,500 : 2,500	SMD/SMT	UFQFPN-48	ARM Cortex M4	256 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 256 Kbytes of Flash STM32L431CCY6TR STMicroelectronics 1: $5.56 55In Stock 5,000Expected 12/21/2026	Mfr. Part # STM32L431CCY6TR Mouser Part # 511-STM32L431CCY6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	55In Stock 5,000Expected 12/21/2026	Cut Tape $5.56 $4.22 $3.69 $3.52 Reel $3.52 MouseReel Available	Min.: 1 Mult.: 1 Max.: 200 : 5,000	SMD/SMT	WLCSP-48	ARM Cortex M4	256 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 256 Kbytes of Flash STM32L431VCI6 STMicroelectronics 1: $7.57 18In Stock 2,496On Order	Mfr. Part # STM32L431VCI6 Mouser Part # 511-STM32L431VCI6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	18In Stock 2,496On Order	$7.57 $5.66 $5.14 $4.69 View $4.57 $4.03	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	UFBGA-100	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	83 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 256 Kbytes of Flash , USB STM32L432KCU3 STMicroelectronics 1: $6.66 43In Stock 11,760On Order	Mfr. Part # STM32L432KCU3 Mouser Part # 511-STM32L432KCU3	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , USB Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	43In Stock 11,760On Order	$6.66 $5.10 $4.47 $4.19 $3.87	Min.: 1 Mult.: 1 Max.: 2,940	SMD/SMT	UFQFPN-32	ARM Cortex M4	256 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 256 Kbytes of Flash , LCD, USB STM32L433CCU6 STMicroelectronics 1: $6.49 414In Stock 6,240On Order	Mfr. Part # STM32L433CCU6 Mouser Part # 511-STM32L433CCU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	414In Stock 6,240On Order On Order Ship Dates Mfr. #: STM32L433CCU6 Stock: 414 Can Ship Immediately On Order: 3,120 Expected 2/22/2027 3,120 TBD Factory Lead-Time: 52 Weeks	$6.49 $4.84 $4.40 $4.00 View $3.89 $3.53	Min.: 1 Mult.: 1 Max.: 750	SMD/SMT	UFQFPN-48	ARM Cortex M4	256 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 256 Kbytes of Flash , LCD, USB STM32L433RCT3 STMicroelectronics 1: $7.46 37In Stock 6,720On Order	Mfr. Part # STM32L433RCT3 Mouser Part # 511-STM32L433RCT3	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	37In Stock 6,720On Order On Order Ship Dates Mfr. #: STM32L433RCT3 Stock: 37 Can Ship Immediately On Order: 960 Expected 2/22/2027 5,760 TBD Factory Lead-Time: 52 Weeks	$7.46 $5.74 $5.05 $4.84	Min.: 1 Mult.: 1 Max.: 100	SMD/SMT	LQFP-64	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	52 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 256 Kbytes of Flash , LCD, USB STM32L433RCT6P STMicroelectronics 1: $7.79 2In Stock 1,920Expected 2/22/2027	Mfr. Part # STM32L433RCT6P Mouser Part # 511-STM32L433RCT6P	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	2In Stock 1,920Expected 2/22/2027	$7.79 $5.65 $5.12 $4.74 $4.60	Min.: 1 Mult.: 1 Max.: 300	SMD/SMT	LQFP-64	ARM Cortex M4	256 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 Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB STM32L433RCT6TR STMicroelectronics 1: $7.17 7In Stock 1,000Expected 2/22/2027	Mfr. Part # STM32L433RCT6TR Mouser Part # 511-STM32L433RCT6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	7In Stock 1,000Expected 2/22/2027	Cut Tape $7.17 $5.55 $5.23 $4.71 Reel $4.71 MouseReel Available	Min.: 1 Mult.: 1 Max.: 100 : 1,000	SMD/SMT	LQFP-64	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	52 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 256 Kbytes of Flash , LCD, USB STM32L433VCT6 STMicroelectronics 1: $7.90 33In Stock 4,320On Order	Mfr. Part # STM32L433VCT6 Mouser Part # 511-STM32L433VCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	33In Stock 4,320On Order	$7.90 $5.64 $5.19 $4.90 $4.70	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	83 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 256 Kbytes of Flash , LCD, USB STM32L433VCT6TR STMicroelectronics 1: $8.25 147In Stock 1,000Expected 2/24/2027	Mfr. Part # STM32L433VCT6TR Mouser Part # 511-STM32L433VCT6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	147In Stock 1,000Expected 2/24/2027	Cut Tape $8.25 $6.10 $5.53 $5.14 $4.89 Reel $4.89 MouseReel Available	Min.: 1 Mult.: 1 Max.: 250 : 1,000	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	83 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 256 Kbytes of Flash LCD, USB, AES-2 STM32L443VCT6 STMicroelectronics 1: $8.86 36In Stock 1,080On Order	Mfr. Part # STM32L443VCT6 Mouser Part # 511-STM32L443VCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB, AES-2 Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	36In Stock 1,080On Order	$8.86 $6.19 $5.90 $5.02 $4.80	Min.: 1 Mult.: 1 Max.: 250	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	83 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 256 kbytes of Flash USB Device, DFS STM32L452RCT6 STMicroelectronics 1: $7.86 40In Stock 960On Order	Mfr. Part # STM32L452RCT6 Mouser Part # 511-STM32L452RCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash USB Device, DFS Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	40In Stock 960On Order	$7.86 $5.98 $5.27 $4.79	Min.: 1 Mult.: 1 Max.: 150	SMD/SMT	LQFP-64	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	52 I/O	160 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 256 kbytes of Flash USB Device, DFS STM32L452VCI6 STMicroelectronics 1: $8.52 36In Stock 2,496On Order	Mfr. Part # STM32L452VCI6 Mouser Part # 511-STM32L452VCI6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 kbytes of Flash USB Device, DFS Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	36In Stock 2,496On Order	$8.52 $6.29 $5.72 $5.19 View $5.06 $4.64	Min.: 1 Mult.: 1 Max.: 500	SMD/SMT	UFBGA-100	ARM Cortex M4	256 kB	32 bit	12 bit	80 MHz	83 I/O	160 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 256 Kbytes of Flash USB OTG, DFSDM STM32L475RCT3 STMicroelectronics 1: $9.20 31In Stock 3,840On Order	Mfr. Part # STM32L475RCT3 Mouser Part # 511-STM32L475RCT3	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash USB OTG, DFSDM Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	31In Stock 3,840On Order	$9.20 $6.99 $6.45 $5.84 $5.69	Min.: 1 Mult.: 1 Max.: 300	SMD/SMT	LQFP-64	ARM Cortex M4	256 kB	32 bit	3 x 12 bit	80 MHz	51 I/O	128 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 256 Kbytes of Flash LCD, USB OTG, D STM32L476RCT6 STMicroelectronics 1: $9.24 34In Stock 3,840On Order	Mfr. Part # STM32L476RCT6 Mouser Part # 511-STM32L476RCT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash LCD, USB OTG, D Learn More about STMicroelectronics stm stm32l4 mcu fpu	Datasheet	34In Stock 3,840On Order On Order Ship Dates Mfr. #: STM32L476RCT6 Stock: 34 Can Ship Immediately On Order: 960 Expected 2/22/2027 2,880 TBD Factory Lead-Time: 52 Weeks	$9.24 $6.46 $6.16 $5.28 $5.24	Min.: 1 Mult.: 1 Max.: 300	SMD/SMT	LQFP-64	ARM Cortex M4	256 kB	32 bit	3 x 12 bit	80 MHz	51 I/O	128 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 256 Kbytes Flash STM32U535VCI6Q STMicroelectronics 1: $8.88 4In Stock	Mfr. Part # STM32U535VCI6Q Mouser Part # 511-STM32U535VCI6Q	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 256 Kbytes Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	4In Stock	$8.88 $6.74 $6.21 $5.77 $5.35	Min.: 1 Mult.: 1	SMD/SMT	UFBGA-100	ARM Cortex M33	256 kB	32 bit	12 bit	160 MHz		274 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ a.64 MHz 256 Kb Flash 32 Kb SRAM STM32WL33CCV6A STMicroelectronics 1: $6.18 37In Stock	Mfr. Part # STM32WL33CCV6A Mouser Part # 511-STM32WL33CCV6A	STMicroelectronics	ARM Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ a.64 MHz 256 Kb Flash 32 Kb SRAM Learn More about STMicroelectronics stm32wl3x mcus	Datasheet	37In Stock	$6.18 $5.10 $4.87 $4.37 View $4.27 $4.25 Quote	Min.: 1 Mult.: 1	SMD/SMT	VQFN-48	ARM Cortex M0+	256 kB	32 bit	12 bit	64 MHz	32 I/O	32 kB	1.7 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 256 Kb Flash 32 Kb SRAM STM32WL33CCV7 STMicroelectronics 1: $6.72 21In Stock	Mfr. Part # STM32WL33CCV7 Mouser Part # 511-STM32WL33CCV7	STMicroelectronics	ARM Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 256 Kb Flash 32 Kb SRAM Learn More about STMicroelectronics stm32wl33x mcus	Datasheet	21In Stock	$6.72 $5.81 $5.39 $4.97 View $4.72 $4.54	Min.: 1 Mult.: 1	SMD/SMT	VFQFPN-48	ARM Cortex M0+	256 kB	32 bit	12 bit	64 MHz	32 I/O	32 KB	1.7 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU Sub-GHz Wireless Microcontrollers. Arm Cortex-M4 a.48 MHz 256 Kbytes of Flash 64 STM32WLE5CCU7 STMicroelectronics 1: $9.29 26In Stock 14,040On Order	Mfr. Part # STM32WLE5CCU7 Mouser Part # 511-STM32WLE5CCU7	STMicroelectronics	ARM Microcontrollers - MCU Sub-GHz Wireless Microcontrollers. Arm Cortex-M4 a.48 MHz 256 Kbytes of Flash 64 Learn More about STMicroelectronics stm stm32wle4xx stm32wle5xx mcus	Datasheet	26In Stock 14,040On Order On Order Ship Dates Mfr. #: STM32WLE5CCU7 Stock: 26 Can Ship Immediately On Order: 6,240 Expected 11/12/2026 7,800 Expected 12/12/2026 Factory Lead-Time: 52 Weeks	$9.29 $8.06 $7.64 $7.05 View $6.70 $6.42 $6.28 Quote	Min.: 1 Mult.: 1	SMD/SMT	UFQFPN-48	ARM Cortex M4	256 kB	32 bit	12 bit	48 MHz	43 I/O	64 kB	1.8 V	3.6 V	- 40 C	+ 105 C	Tray
32-bit Microcontrollers - MCU 256KB, 144FFBGA Ind AT32UC3A3256-CTUT Microchip Technology 1: $16.20 6In Stock	Mfr. Part # AT32UC3A3256-CTUT Mouser Part # 556-AT32UC3A3256CTUT	Microchip Technology	32-bit Microcontrollers - MCU 256KB, 144FFBGA Ind Learn More about Microchip Technology microchip a3 a4 series mcus	Datasheet	6In Stock	$16.20 $14.74 $13.36	Min.: 1 Mult.: 1	SMD/SMT	FFBGA-144	AVR	256 kB	32 bit	10 bit	66 MHz	110 I/O	64 kB	1.65 V	1.95 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU 256KB, 144FFBGA w/ AES Mod. AT32UC3A3256S-CTUR Microchip Technology 1: $17.35 183In Stock	Mfr. Part # AT32UC3A3256S-CTUR Mouser Part # 556-AT32UC3A3256SCTR	Microchip Technology	32-bit Microcontrollers - MCU 256KB, 144FFBGA w/ AES Mod. Learn More about Microchip Technology microchip a3 a4 series mcus	Datasheet	183In Stock	Cut Tape $17.35 $16.76 Reel $14.28 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SMD/SMT	TBGA-144	AVR	256 kB	32 bit	10 bit	66 MHz	110 I/O	64 kB	1.65 V	1.95 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel