Microchip ATmega32U4 Series 8-bit Microcontrollers - MCU

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Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Core
Program Memory Size
Data RAM Size
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Maximum Clock Frequency
ADC Resolution
Number of I/Os
Supply Voltage - Min
Supply Voltage - Max
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Microchip Technology 8-bit Microcontrollers - MCU AVR USB 16K FL 16MHz Ind Temp Grn
Datasheet
3,899In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

AVR 32 kB 2.5 kB TQFP-44 16 MHz 10 bit 26 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega32U4 Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU AVR USB 16K FL 16MHz Ind Temp Grn
Datasheet
794In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

AVR 32 kB 2.5 kB QFN-44 16 MHz 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega32U4 Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU AVR USB 32K FLASH INDUSTRIAL
Datasheet
5,516In Stock
Min.: 1
Mult.: 1

AVR 32 kB 2.5 kB TQFP-44 16 MHz 10 bit 26 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega32U4 Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR USB 32K FLASH INDUSTRIAL
Datasheet
1,201In Stock
3,744Expected 9/2/2026
Min.: 1
Mult.: 1

AVR 32 kB 2.5 kB QFN-44 16 MHz 10 bit 26 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega32U4 Tray
Microchip Technology 8-bit Microcontrollers - MCU USB 32K FLASH 16 MHz
Datasheet
1,448In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

AVR 32 kB 2.5 kB QFN-44 16 MHz 10 bit 26 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega32U4 Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU AVR USB 32K FL 16MHz Ind Temp Grn
Datasheet
1,095In Stock
Min.: 1
Mult.: 1

AVR 32 kB 2.5 kB TQFP-44 16 MHz 10 bit 26 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega32U4 Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR USB 32K FL 16MHz Ind Temp Grn
Datasheet
408In Stock
Min.: 1
Mult.: 1

AVR 32 kB 2.5 kB QFN-44 16 MHz 10 bit 26 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega32U4 Tray
Microchip Technology 8-bit Microcontrollers - MCU USB 32K Flash 16 MHz
Datasheet
3,000Expected 9/28/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

AVR 32 kB 2.5 kB TQFP-44 16 MHz 10 bit 26 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega32U4 Reel, Cut Tape, MouseReel