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AVR Core 32-bit 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 RAM Size	Data Bus Width	ADC Resolution	Maximum Clock Frequency	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
32-bit Microcontrollers - MCU 512KB Flash AT32UC3B0512-A2UT Microchip Technology 1: $14.52 1,466In Stock	Mfr. Part # AT32UC3B0512-A2UT Mouser Part # 556-AT32UC3B0512A2UT	Microchip Technology	32-bit Microcontrollers - MCU 512KB Flash Learn More about Microchip Technology microchip b series mcus	Datasheet	1,466In Stock	$14.52 $13.18 $11.96	Min.: 1 Mult.: 1	AT32UC3B0	SMD/SMT	TQFP-64	AVR	512 kB	96 kB	32 bit	10 bit	60 MHz	44 I/O	1.65 V	1.95 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM AT32UC3C0512C-ALUR Microchip Technology 1: $21.92 2,755In Stock	Mfr. Part # AT32UC3C0512C-ALUR Mouser Part # 556-AT32UC3C0512CALR	Microchip Technology	32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	2,755In Stock	Cut Tape $21.92 $21.19 Reel $18.06 MouseReel Available	Min.: 1 Mult.: 1 : 800	AT32UC3C0	SMD/SMT	LQFP-144	AVR	512 kB	64 kB	32 bit	12 bit	66 MHz	123 I/O	3 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM AT32UC3C1512C-AUR Microchip Technology 1: $20.48 1,891In Stock	Mfr. Part # AT32UC3C1512C-AUR Mouser Part # 556-AT32UC3C1512CAUR	Microchip Technology	32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	1,891In Stock	Cut Tape $20.48 $19.80 Reel $16.87 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	AT32UC3C1	SMD/SMT	TQFP-100	AVR	512 kB	64 kB	32 bit	12 bit	66 MHz	81 I/O	3 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM AT32UC3C1512C-AUT Microchip Technology 1: $20.23 4,680In Stock	Mfr. Part # AT32UC3C1512C-AUT Mouser Part # 556-AT32UC3C1512CAUT	Microchip Technology	32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	4,680In Stock	$20.23 $18.40 $16.67	Min.: 1 Mult.: 1	AT32UC3C1	SMD/SMT	TQFP-100	AVR	512 kB	64 kB	32 bit	12 bit	66 MHz	81 I/O	3 V	5.5 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM AT32UC3C2512C-A2UT Microchip Technology 1: $18.79 1,689In Stock	Mfr. Part # AT32UC3C2512C-A2UT Mouser Part # 556-AT32UC3C2512CA2T	Microchip Technology	32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	1,689In Stock	$18.79 $17.10 $15.47	Min.: 1 Mult.: 1	AT32UC3C2	SMD/SMT	TQFP-64	AVR	512 kB	64 kB	32 bit	12 bit	66 MHz	45 I/O	3 V	5.5 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU 32-bit 256KB Flash AT32UC3A1256-AUT Microchip Technology 1: $15.91 765In Stock	Mfr. Part # AT32UC3A1256-AUT Mouser Part # 556-AT32UC3A1256-AUT	Microchip Technology	32-bit Microcontrollers - MCU 32-bit 256KB Flash Learn More about Microchip Technology microchip a0 a1 series mcus	Datasheet	765In Stock	$15.91 $14.46 $13.09	Min.: 1 Mult.: 1	AT32UC3A1	SMD/SMT	TQFP-100	AVR	256 kB	64 kB	32 bit	10 bit	66 MHz	69 I/O	1.65 V	1.95 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU 32-bit 128KB Flash AT32UC3B1128-AUT Microchip Technology 1: $9.85 210In Stock	Mfr. Part # AT32UC3B1128-AUT Mouser Part # 556-AT32UC3B1128-AUT	Microchip Technology	32-bit Microcontrollers - MCU 32-bit 128KB Flash Learn More about Microchip Technology microchip b series mcus	Datasheet	210In Stock	$9.85 $8.97 $8.13	Min.: 1 Mult.: 1	AT32UC3B1	SMD/SMT	TQFP-48	AVR	128 kB	32 kB	32 bit	10 bit	60 MHz	28 I/O	1.65 V	1.95 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU UC3L-256KB FL 85C AT32UC3L0256-AUR Microchip Technology 1: $12.79 1,537In Stock	Mfr. Part # AT32UC3L0256-AUR Mouser Part # 556-AT32UC3L0256-AUR	Microchip Technology	32-bit Microcontrollers - MCU UC3L-256KB FL 85C Learn More about Microchip Technology microchip l series mcus	Datasheet	1,537In Stock	Cut Tape $12.79 $12.40 Reel $10.54 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	AT32UC3L0	SMD/SMT	TQFP-48	AVR	256 kB	32 kB	32 bit	12 bit	50 MHz	36 I/O	1.8 V	1.8 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
32-bit Microcontrollers - MCU 128KB, 144LQFP 85deg. Green AT32UC3A0128-ALUR Microchip Technology 1: $14.72 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 $14.72 $14.21 Reel $12.10 MouseReel Available	Min.: 1 Mult.: 1 : 800	AT32UC3A0	SMD/SMT	LQFP-144	AVR	128 kB	32 kB	32 bit	10 bit	66 MHz	109 I/O	1.65 V	1.95 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
32-bit Microcontrollers - MCU 512KB, 144LQFP 85deg. Green AT32UC3A0512-ALUR Microchip Technology 1: $19.32 105In Stock 800Expected 12/28/2026	Mfr. Part # AT32UC3A0512-ALUR Mouser Part # 556-AT32UC3A0512ALUR	Microchip Technology	32-bit Microcontrollers - MCU 512KB, 144LQFP 85deg. Green Learn More about Microchip Technology microchip a0 a1 series mcus	Datasheet	105In Stock 800Expected 12/28/2026	Cut Tape $19.32 $18.67 Reel $15.89 MouseReel Available	Min.: 1 Mult.: 1 : 800	AT32UC3A0	SMD/SMT	LQFP-144	AVR	512 kB	64 kB	32 bit	10 bit	66 MHz	109 I/O	1.65 V	1.95 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
32-bit Microcontrollers - MCU 256KB, 144LQFP Ind AT32UC3A3256-ALUT Microchip Technology 1: $20.83 348In Stock 480On Order	Mfr. Part # AT32UC3A3256-ALUT Mouser Part # 556-AT32UC3A3256ALUT	Microchip Technology	32-bit Microcontrollers - MCU 256KB, 144LQFP Ind Learn More about Microchip Technology microchip a3 a4 series mcus	Datasheet	348In Stock 480On Order	$20.83 $18.93 $17.15	Min.: 1 Mult.: 1	AT32UC3A3	SMD/SMT	LQFP-144	AVR	256 kB	128 kB	32 bit	10 bit	84 MHz	110 I/O	3 V	3.6 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU 512KB Flash AT32UC3B0512-A2UR Microchip Technology 1: $14.73 685In Stock	Mfr. Part # AT32UC3B0512-A2UR Mouser Part # 556-AT32UC3B0512A2UR	Microchip Technology	32-bit Microcontrollers - MCU 512KB Flash Learn More about Microchip Technology microchip b series mcus	Datasheet	685In Stock	Cut Tape $14.73 $14.22 Reel $12.13 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	AT32UC3B0	SMD/SMT	TQFP-64	AVR	512 kB	96 kB	32 bit	10 bit	60 MHz	44 I/O	1.65 V	1.95 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
32-bit Microcontrollers - MCU 512KB Flash AT32UC3B0512-Z2UT Microchip Technology 1: $14.52 579In Stock	Mfr. Part # AT32UC3B0512-Z2UT Mouser Part # 556-AT32UC3B0512Z2UT	Microchip Technology	32-bit Microcontrollers - MCU 512KB Flash Learn More about Microchip Technology microchip b series mcus	Datasheet	579In Stock	$14.52 $13.18 $11.96	Min.: 1 Mult.: 1	AT32UC3B0	SMD/SMT	QFN-64	AVR	512 kB	96 kB	32 bit	10 bit	60 MHz	44 I/O	1.65 V	1.95 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU 32-bit 64KB Flash AT32UC3B064-Z2UT Microchip Technology 1: $8.79 820In Stock	Mfr. Part # AT32UC3B064-Z2UT Mouser Part # 556-AT32UC3B064-Z2UT	Microchip Technology	32-bit Microcontrollers - MCU 32-bit 64KB Flash Learn More about Microchip Technology microchip b series mcus	Datasheet	820In Stock	$8.79 $7.98 $7.20	Min.: 1 Mult.: 1	AT32UC3B0	SMD/SMT	QFN-64	AVR	64 kB	16 kB	32 bit	10 bit	60 MHz	44 I/O	1.65 V	1.95 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU 32-bit AT32UC3B1256-AUT Microchip Technology 1: $11.22 1,112In Stock	Mfr. Part # AT32UC3B1256-AUT Mouser Part # 556-AT32UC3B1256-AUT	Microchip Technology	32-bit Microcontrollers - MCU 32-bit Learn More about Microchip Technology microchip b series mcus	Datasheet	1,112In Stock	$11.22 $10.19 $9.24	Min.: 1 Mult.: 1	AT32UC3B1	SMD/SMT	TQFP-48	AVR	256 kB	32 kB	32 bit	10 bit	60 MHz	28 I/O	1.65 V	1.95 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU UC3C 256K FLASH 64K SRAM AT32UC3C2256C-A2UR Microchip Technology 1: $16.17 609In Stock	Mfr. Part # AT32UC3C2256C-A2UR Mouser Part # 556-AT32UC3C2256CA2R	Microchip Technology	32-bit Microcontrollers - MCU UC3C 256K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	609In Stock	Cut Tape $16.17 $15.63 Reel $13.33	Min.: 1 Mult.: 1 : 1,500	AT32UC3C2			AVR	256 kB	64 kB	32 bit		66 MHz	45 I/O	3 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape
32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM AT32UC3C2256C-A2UT Microchip Technology 1: $15.91 522In Stock 800Expected 12/10/2026	Mfr. Part # AT32UC3C2256C-A2UT Mouser Part # 556-AT32UC3C2256CA2T	Microchip Technology	32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	522In Stock 800Expected 12/10/2026	$15.91 $14.46 $13.09	Min.: 1 Mult.: 1	AT32UC3C2	SMD/SMT	TQFP-64	AVR	256 kB	64 kB	32 bit	12 bit	66 MHz	45 I/O	3 V	5.5 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM AT32UC3C2512C-A2UR Microchip Technology 1: $19.06 350In Stock	Mfr. Part # AT32UC3C2512C-A2UR Mouser Part # 556-AT32UC3C2512CA2R	Microchip Technology	32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	350In Stock	Cut Tape $19.06 $18.41 Reel $15.67	Min.: 1 Mult.: 1 : 1,500	AT32UC3C2			AVR	512 kB	64 kB	32 bit		66 MHz	45 I/O	3 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape
32-bit Microcontrollers - MCU UC3C 64K FLASH 16K SRAM AT32UC3C264C-A2UT Microchip Technology 1: $11.71 202In Stock	Mfr. Part # AT32UC3C264C-A2UT Mouser Part # 556-AT32UC3C264CA2UT	Microchip Technology	32-bit Microcontrollers - MCU UC3C 64K FLASH 16K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	202In Stock	$11.71 $10.63 $9.63	Min.: 1 Mult.: 1	AT32UC3C2	SMD/SMT		AVR	64 kB	16 kB	32 bit	12 bit	66 MHz	45 I/O	3 V	5.5 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU UC3L-256KB Fl 48QFP 85C Grn ATUC256L4U-AUT Microchip Technology 1: $13.05 221In Stock	Mfr. Part # ATUC256L4U-AUT Mouser Part # 556-ATUC256L4U-AUT	Microchip Technology	32-bit Microcontrollers - MCU UC3L-256KB Fl 48QFP 85C Grn Learn More about Microchip Technology microchip l series mcus	Datasheet	221In Stock	$13.05 $11.88 $10.75	Min.: 1 Mult.: 1	UC3 L	SMD/SMT		AVR	256 kB	32 kB	32 bit	12 bit	50 MHz	51 I/O	1.8 V	1.8 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU 128KB, 144LQFP Ind, w/AES Mod. AT32UC3A3128S-ALUT Microchip Technology 1: $17.95 120In Stock	Mfr. Part # AT32UC3A3128S-ALUT Mouser Part # 556-AT32UC3A3128SALT	Microchip Technology	32-bit Microcontrollers - MCU 128KB, 144LQFP Ind, w/AES Mod. Learn More about Microchip Technology microchip a3 a4 series mcus	Datasheet	120In Stock	$17.95 $16.32 $14.77	Min.: 1 Mult.: 1	AT32UC3A3	SMD/SMT	LQFP-144	AVR	128 kB	64 kB	32 bit	10 bit	66 MHz	110 I/O	1.65 V	1.95 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU 512KB, 144FFBGA Ind AT32UC3A0512-CTUT Microchip Technology 1: $20.57 50In Stock	Mfr. Part # AT32UC3A0512-CTUT Mouser Part # 556-AT32UC3A0512CTUT	Microchip Technology	32-bit Microcontrollers - MCU 512KB, 144FFBGA Ind Learn More about Microchip Technology microchip a0 a1 series mcus	Datasheet	50In Stock	$20.57 $18.71 $16.95	Min.: 1 Mult.: 1	AT32UC3A0	SMD/SMT	FFBGA-144	AVR	512 kB	64 kB	32 bit	10 bit	66 MHz	109 I/O	1.65 V	1.95 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU 256KB, 144FFBGA Ind AT32UC3A3256-CTUT Microchip Technology 1: $21.06 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	$21.06 $19.16 $17.37	Min.: 1 Mult.: 1	AT32UC3A3	SMD/SMT	FFBGA-144	AVR	256 kB	64 kB	32 bit	10 bit	66 MHz	110 I/O	1.65 V	1.95 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU 256KB, 144LQFP Ind w/ AES Mod. AT32UC3A3256S-ALUT Microchip Technology 1: $22.04 10In Stock	Mfr. Part # AT32UC3A3256S-ALUT Mouser Part # 556-AT32UC3A3256SALT	Microchip Technology	32-bit Microcontrollers - MCU 256KB, 144LQFP Ind w/ AES Mod. Learn More about Microchip Technology microchip a3 a4 series mcus	Datasheet	10In Stock	$22.04 $20.05 $18.14	Min.: 1 Mult.: 1	AT32UC3A3	SMD/SMT	LQFP-144	AVR	256 kB	64 kB	32 bit	10 bit	66 MHz	110 I/O	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: $22.56 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 $22.56 $21.79 Reel $18.56 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	AT32UC3A3	SMD/SMT	TBGA-144	AVR	256 kB	64 kB	32 bit	10 bit	66 MHz	110 I/O	1.65 V	1.95 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel

AVR Core 32-bit Microcontrollers - MCU

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