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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 32-bit 128KB Flash AT32UC3B0128-A2UT Microchip Technology 1: $10.39 175In Stock	Mfr. Part # AT32UC3B0128-A2UT Mouser Part # 556-AT32UC3B0128A2UT	Microchip Technology	32-bit Microcontrollers - MCU 32-bit 128KB Flash Learn More about Microchip Technology microchip b series mcus	Datasheet	175In Stock	$10.39 $9.45 $8.55	Min.: 1 Mult.: 1	AT32UC3B0	SMD/SMT	TQFP-64	AVR	128 kB	32 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 256K FLASH 64K SRAM AT32UC3C0256C-ALUT Microchip Technology 1: $18.36 6In Stock	Mfr. Part # AT32UC3C0256C-ALUT Mouser Part # 556-AT32UC3C0256CALT	Microchip Technology	32-bit Microcontrollers - MCU UC3C 256K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	6In Stock	$18.36 $16.69 $15.13	Min.: 1 Mult.: 1	AT32UC3C0	SMD/SMT	LQFP-144	AVR	256 kB	64 kB	32 bit	12 bit	66 MHz	123 I/O	3 V	5.5 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM AT32UC3C0512C-ALUT Microchip Technology 1: $21.67 10In Stock 480On Order	Mfr. Part # AT32UC3C0512C-ALUT Mouser Part # 556-AT32UC3C0512CALT	Microchip Technology	32-bit Microcontrollers - MCU UC3C 512K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	10In Stock 480On Order On Order Ship Dates Mfr. #: AT32UC3C0512C-ALUT Stock: 10 Can Ship Immediately On Order: 300 Pending 180 Expected 11/9/2026 Factory Lead-Time: 32 Weeks	$21.67 $19.71 $17.85	Min.: 1 Mult.: 1	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	Tray
32-bit Microcontrollers - MCU UC3C 128K FLASH 32K SRAM AT32UC3C1128C-AUR Microchip Technology 1: $14.21 306In Stock	Mfr. Part # AT32UC3C1128C-AUR Mouser Part # 556-AT32UC3C1128CAUR	Microchip Technology	32-bit Microcontrollers - MCU UC3C 128K FLASH 32K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	306In Stock	Cut Tape $14.21 $13.73 Reel $11.71 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	AT32UC3C1	SMD/SMT	TQFP-100	AVR	128 kB	32 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 256K FLASH 64K SRAM AT32UC3C1256C-AUR Microchip Technology 1: $17.39 12In Stock 1,000Expected 1/4/2027	Mfr. Part # AT32UC3C1256C-AUR Mouser Part # 556-AT32UC3C1256CAUR	Microchip Technology	32-bit Microcontrollers - MCU UC3C 256K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	12In Stock 1,000Expected 1/4/2027	Cut Tape $17.39 $16.80 Reel $14.31 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	AT32UC3C1	SMD/SMT	TQFP-100	AVR	256 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 256K FLASH 64K SRAM AT32UC3C1256C-AUT Microchip Technology 1: $17.15 10In Stock	Mfr. Part # AT32UC3C1256C-AUT Mouser Part # 556-AT32UC3C1256CAUT	Microchip Technology	32-bit Microcontrollers - MCU UC3C 256K FLASH 64K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	10In Stock	$17.15 $15.59 $14.13	Min.: 1 Mult.: 1	AT32UC3C1	SMD/SMT	TQFP-100	AVR	256 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 64K FLASH 16K SRAM AT32UC3C164C-AUT Microchip Technology 1: $12.81 21In Stock	Mfr. Part # AT32UC3C164C-AUT Mouser Part # 556-AT32UC3C164C-AUT	Microchip Technology	32-bit Microcontrollers - MCU UC3C 64K FLASH 16K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	21In Stock	$12.81 $11.66 $10.56	Min.: 1 Mult.: 1	AT32UC3C1	SMD/SMT	TQFP-100	AVR	64 kB	16 kB	32 bit	12 bit	66 MHz	81 I/O	3 V	5.5 V	- 40 C	+ 85 C	Tray
32-bit Microcontrollers - MCU 512k flash, 64 QFN, 85C AT32UC3C2512C-Z2UT Microchip Technology 1: $15.82 49In Stock 260Expected 12/17/2026	Mfr. Part # AT32UC3C2512C-Z2UT Mouser Part # 556-AT32UC3C2512CZ2U	Microchip Technology	32-bit Microcontrollers - MCU 512k flash, 64 QFN, 85C Learn More about Microchip Technology microchip c series mcus	Datasheet	49In Stock 260Expected 12/17/2026	$15.82 $14.39 $13.04	Min.: 1 Mult.: 1	AT32UC3C2	SMD/SMT	QFN-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 UC3L-256KB Flash 64QFP 85C green TRAY ATUC256L3U-AUT Microchip Technology 1: $13.61 33In Stock	Mfr. Part # ATUC256L3U-AUT Mouser Part # 556-ATUC256L3U-AUT	Microchip Technology	32-bit Microcontrollers - MCU UC3L-256KB Flash 64QFP 85C green TRAY Learn More about Microchip Technology microchip l series mcus	Datasheet	33In Stock	$13.61 $12.35 $11.21	Min.: 1 Mult.: 1	UC3 L	SMD/SMT	TQFP-64	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 UC3L-256KB Flash 64QFN 85C green T&R ATUC256L3U-Z3UR Microchip Technology 1: $13.85 10In Stock	Mfr. Part # ATUC256L3U-Z3UR Mouser Part # 556-ATUC256L3U-Z3UR	Microchip Technology	32-bit Microcontrollers - MCU UC3L-256KB Flash 64QFN 85C green T&R Learn More about Microchip Technology microchip l series mcus	Datasheet	10In Stock	Cut Tape $13.85 $13.38 Reel $11.40 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	UC3 L	SMD/SMT	QFN-64	AVR	256 kB	32 kB	32 bit	12 bit	50 MHz	51 I/O	1.8 V	1.8 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
32-bit Microcontrollers - MCU UC3C 128K FLASH 32K SRAM AT32UC3C2128C-A2UT Microchip Technology 1: $12.97 2In Stock	Mfr. Part # AT32UC3C2128C-A2UT Mouser Part # 556-AT32UC3C2128CA2T	Microchip Technology	32-bit Microcontrollers - MCU UC3C 128K FLASH 32K SRAM Learn More about Microchip Technology microchip c series mcus	Datasheet	2In Stock	$12.97 $11.77 $10.66	Min.: 1 Mult.: 1	AT32UC3C2	SMD/SMT	TQFP-64	AVR	128 kB	32 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 85C AT32UC3L0256-D3HT Microchip Technology 1: $12.86 39In Stock	Mfr. Part # AT32UC3L0256-D3HT Mouser Part # 556-AT32UC3L0256D3HT	Microchip Technology	32-bit Microcontrollers - MCU UC3L-256KB FL 85C Learn More about Microchip Technology microchip l series mcus	Datasheet	39In Stock	$12.86 $11.69 $10.61	Min.: 1 Mult.: 1	AT32UC3L0	SMD/SMT	TLLGA-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	Tray
32-bit Microcontrollers - MCU 32-bit 256KB Flash AT32UC3B0256-Z2UT Microchip Technology 1: $11.83 384On Order	Mfr. Part # AT32UC3B0256-Z2UT Mouser Part # 556-AT32UC3B0256Z2UT	Microchip Technology	32-bit Microcontrollers - MCU 32-bit 256KB Flash Learn More about Microchip Technology microchip b series mcus	Datasheet	384On Order On Order Ship Dates Mfr. #: AT32UC3B0256-Z2UT Stock: 0 On Order: 124 Expected 10/26/2026 260 Expected 4/22/2027 Factory Lead-Time: 25 Weeks	$11.83 $10.75 $9.76	Min.: 1 Mult.: 1	AT32UC3B0	SMD/SMT	QFN-64	AVR	256 kB	32 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 128KB, 100LQFP 85deg. Green AT32UC3A1128-AUR Microchip Technology 1,000: $10.89 Non-Stocked Lead-Time 11 Weeks	Mfr. Part # AT32UC3A1128-AUR Mouser Part # 556-AT32UC3A1128-AUR	Microchip Technology	32-bit Microcontrollers - MCU 128KB, 100LQFP 85deg. Green Learn More about Microchip Technology microchip a0 a1 series mcus	Datasheet	Non-Stocked Lead-Time 11 Weeks	Reel $10.89	Min.: 1,000 Mult.: 1,000 : 1,000	AT32UC3A1	SMD/SMT	TQFP-100	AVR	128 kB	32 kB	32 bit	10 bit	66 MHz	69 I/O	1.65 V	1.95 V	- 40 C	+ 85 C	Reel
32-bit Microcontrollers - MCU 256KB, 100LQFP 85deg. Green AT32UC3A1256-AUR Microchip Technology 1: $16.17 Non-Stocked Lead-Time 11 Weeks	Mfr. Part # AT32UC3A1256-AUR Mouser Part # 556-AT32UC3A1256-AUR	Microchip Technology	32-bit Microcontrollers - MCU 256KB, 100LQFP 85deg. Green Learn More about Microchip Technology microchip a0 a1 series mcus	Datasheet	Non-Stocked Lead-Time 11 Weeks	Cut Tape $16.17 $15.63 Reel $13.33 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	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	Reel, Cut Tape, MouseReel
32-bit Microcontrollers - MCU 128KB, 144LQFP Ind AT32UC3A3128-ALUR Microchip Technology 800: $14.91 Non-Stocked Lead-Time 11 Weeks	Mfr. Part # AT32UC3A3128-ALUR Mouser Part # 556-AT32UC3A3128ALUR	Microchip Technology	32-bit Microcontrollers - MCU 128KB, 144LQFP Ind	Datasheet	Non-Stocked Lead-Time 11 Weeks	Reel $14.91	Min.: 800 Mult.: 800 : 800	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	Reel
32-bit Microcontrollers - MCU 128KB, 144LQFP Ind AT32UC3A3128-ALUT Microchip Technology 60: $16.46 Non-Stocked Lead-Time 11 Weeks	Mfr. Part # AT32UC3A3128-ALUT Mouser Part # 556-AT32UC3A3128ALUT	Microchip Technology	32-bit Microcontrollers - MCU 128KB, 144LQFP Ind Learn More about Microchip Technology microchip a3 a4 series mcus	Datasheet	Non-Stocked Lead-Time 11 Weeks	$16.46 $14.91	Min.: 60 Mult.: 60	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 128KB, 144FBGA Ind, w/AES Mod. AT32UC3A3128-CTUR Microchip Technology 2,000: $14.16 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # AT32UC3A3128-CTUR Mouser Part # 556-AT32UC3A3128CTUR	Microchip Technology	32-bit Microcontrollers - MCU 128KB, 144FBGA Ind, w/AES Mod. Learn More about Microchip Technology microchip a3 a4 series mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $14.16	Min.: 2,000 Mult.: 2,000 : 2,000	AT32UC3A3	SMD/SMT	TBGA-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	Reel
32-bit Microcontrollers - MCU 256KB, 144LQFP Ind w/ AES Mod. AT32UC3A3256S-ALUR Microchip Technology 800: $18.36 Non-Stocked Lead-Time 11 Weeks	Mfr. Part # AT32UC3A3256S-ALUR Mouser Part # 556-AT32UC3A3256SALR	Microchip Technology	32-bit Microcontrollers - MCU 256KB, 144LQFP Ind w/ AES Mod. Learn More about Microchip Technology microchip a3 a4 series mcus	Datasheet	Non-Stocked Lead-Time 11 Weeks	Reel $18.36	Min.: 800 Mult.: 800 : 800	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	Reel
32-bit Microcontrollers - MCU 64KB, 144LQFP Ind AT32UC3A364-ALUR Microchip Technology 800: $12.44 Non-Stocked Lead-Time 11 Weeks	Mfr. Part # AT32UC3A364-ALUR Mouser Part # 556-AT32UC3A364-ALUR	Microchip Technology	32-bit Microcontrollers - MCU 64KB, 144LQFP Ind Learn More about Microchip Technology microchip a3 a4 series mcus	Datasheet	Non-Stocked Lead-Time 11 Weeks	Reel $12.44	Min.: 800 Mult.: 800 : 800	AT32UC3A3	SMD/SMT	LQFP-144	AVR	64 kB	64 kB	32 bit	10 bit	66 MHz	110 I/O	1.65 V	1.95 V	- 40 C	+ 85 C	Reel
32-bit Microcontrollers - MCU 128k flash Ind AT32UC3A4128S-C1UT Microchip Technology 260: $11.09 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # AT32UC3A4128S-C1UT Mouser Part # 556-AT32UC3A4128SC1T	Microchip Technology	32-bit Microcontrollers - MCU 128k flash Ind Learn More about Microchip Technology microchip a3 a4 series mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	$11.09	Min.: 260 Mult.: 260	AT32UC3A4		VFBGA-100	AVR			32 bit	10 bit		70 I/O	1.8 V	1.8 V			Tray
32-bit Microcontrollers - MCU 64k flash Ind AT32UC3A464-C1UT Microchip Technology 260: $12.05 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # AT32UC3A464-C1UT Mouser Part # 556-AT32UC3A464C1UT	Microchip Technology	32-bit Microcontrollers - MCU 64k flash Ind Learn More about Microchip Technology microchip a3 a4 series mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	$12.05	Min.: 260 Mult.: 260	AT32UC3A4		VFBGA-100	AVR			32 bit	10 bit		70 I/O	1.8 V	1.8 V			Tray
32-bit Microcontrollers - MCU 128KB Flash 64QFN AT32UC3C2128C-Z2UR Microchip Technology 4,000: $10.89 Non-Stocked Lead-Time 33 Weeks	Mfr. Part # AT32UC3C2128C-Z2UR Mouser Part # 556-A32UC3C2128CZ2UR	Microchip Technology	32-bit Microcontrollers - MCU 128KB Flash 64QFN Learn More about Microchip Technology microchip c series mcus	Datasheet	Non-Stocked Lead-Time 33 Weeks	Reel $10.89	Min.: 4,000 Mult.: 4,000 : 4,000	AT32UC3C2			AVR			32 bit								Reel
32-bit Microcontrollers - MCU 128KB Flash 64QFN AT32UC3C2128C-Z2UT Microchip Technology 1: $12.97 Non-Stocked Lead-Time 34 Weeks	Mfr. Part # AT32UC3C2128C-Z2UT Mouser Part # 556-A32UC3C2128CZ2UT	Microchip Technology	32-bit Microcontrollers - MCU 128KB Flash 64QFN Learn More about Microchip Technology microchip c series mcus	Datasheet	Non-Stocked Lead-Time 34 Weeks	$12.97 $11.79 $10.67	Min.: 1 Mult.: 1	AT32UC3C2			AVR			32 bit								Tray
32-bit Microcontrollers - MCU 256KB Flash 64QFN (-40oC to 85oC) T&R AT32UC3C2256C-Z2UR Microchip Technology 4,000: $13.33 Non-Stocked Lead-Time 33 Weeks	Mfr. Part # AT32UC3C2256C-Z2UR Mouser Part # 556-A32UC3C2256CZ2UR	Microchip Technology	32-bit Microcontrollers - MCU 256KB Flash 64QFN (-40oC to 85oC) T&R Learn More about Microchip Technology microchip c series mcus	Datasheet	Non-Stocked Lead-Time 33 Weeks	Reel $13.33	Min.: 4,000 Mult.: 4,000 : 4,000	AT32UC3C2			AVR			32 bit								Reel

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