B-Series AT32UC3 AVR 32-Bit MCUs

Microchip Technology B-Series AT32UC3 AVR 32-Bit MCUs are designed for high data throughput and outstanding computing performance in space-constrained applications. It is especially well-suited for applications like USB Human Interface devices, USB stick gateway, biometrics, bridging, industrial control, and low-power portable applications. The series features high connectivity with a USB device and host. This feature, combined with a fast flash and large internal SRAM, makes it a perfect fit for data-intensive applications.

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Packaging
Microchip Technology 32-bit Microcontrollers - MCU 32-bit 256KB Flash
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Datasheet
AT32UC3B0 SMD/SMT TQFP-64 AVR 64 kB 32 kB 32 bit 10 bit 60 MHz 44 I/O 1.65 V 1.95 V - 40 C + 85 C Tray
Microchip Technology 32-bit Microcontrollers - MCU 512KB Flash
Mouser does not sell this product in your region.
Datasheet
AT32UC3B1 SMD/SMT QFN-48 AVR 512 kB 96 kB 32 bit 10 bit 60 MHz 28 I/O 1.65 V 1.95 V - 40 C + 85 C Tray

Microchip Technology 32-bit Microcontrollers - MCU 32-bit 64KB Flash
Mouser does not sell this product in your region.
Datasheet
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
Microchip Technology 32-bit Microcontrollers - MCU 32-bit 256KB Flash
Mouser does not sell this product in your region.
Datasheet
AT32UC3B1 SMD/SMT QFN-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
Microchip Technology 32-bit Microcontrollers - MCU 256KB, 64QFP 85deg. Green
Mouser does not sell this product in your region.
Datasheet
AT32UC3B0 SMD/SMT TQFP-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 Reel, Cut Tape, MouseReel
Microchip Technology 32-bit Microcontrollers - MCU 32-bit 128KB Flash
Mouser does not sell this product in your region.
Datasheet
AT32UC3B1 SMD/SMT QFN-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
Microchip Technology 32-bit Microcontrollers - MCU 32-bit 64KB Flash
Mouser does not sell this product in your region.
Datasheet
AT32UC3B1 SMD/SMT TQFP-48 AVR 64 kB 16 kB 32 bit 10 bit 60 MHz 28 I/O 1.65 V 1.95 V - 40 C + 85 C Tray
Microchip Technology 32-bit Microcontrollers - MCU 512KB Flash
Mouser does not sell this product in your region.
Datasheet
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
Microchip Technology 32-bit Microcontrollers - MCU 32-bit 128KB Flash
Mouser does not sell this product in your region.
Datasheet
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
Microchip Technology 32-bit Microcontrollers - MCU 512KB Flash
Mouser does not sell this product in your region.
Datasheet
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

Microchip Technology 32-bit Microcontrollers - MCU 512KB Flash
Mouser does not sell this product in your region.
Datasheet
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
Microchip Technology 32-bit Microcontrollers - MCU 32-bit
Mouser does not sell this product in your region.
Datasheet
More Info Available
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
Microchip Technology 32-bit Microcontrollers - MCU 32-bit 128KB Flash
Mouser does not sell this product in your region.
Datasheet
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

Microchip Technology 32-bit Microcontrollers - MCU 32-bit 256KB Flash
Mouser does not sell this product in your region.
Datasheet
More Info Available
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
Microchip Technology 32-bit Microcontrollers - MCU 128KB, 64QFN 85deg. Green
Mouser does not sell this product in your region.
Datasheet
AT32UC3B0 SMD/SMT TQFP-64 AVR 128 kB 32 kB 32 bit 60 MHz 44 I/O 1.65 V 1.95 V - 40 C + 85 C Reel

Microchip Technology 32-bit Microcontrollers - MCU 128KB, 64QFN 85deg. Green
Mouser does not sell this product in your region.
Datasheet
AT32UC3B0 SMD/SMT QFN-64 AVR 128 kB 32 kB 32 bit 60 MHz 44 I/O 1.65 V 1.95 V - 40 C + 85 C Reel

Microchip Technology 32-bit Microcontrollers - MCU 32-bit 128KB Flash
Mouser does not sell this product in your region.
Datasheet
AT32UC3B0 SMD/SMT QFN-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

Microchip Technology 32-bit Microcontrollers - MCU 256KB, 64QFN 85deg. Green
Mouser does not sell this product in your region.
Datasheet
AT32UC3B0 SMD/SMT QFN-64 AVR 256 kB 32 kB 32 bit 60 MHz 44 I/O 1.65 V 1.95 V - 40 C + 85 C Reel

Microchip Technology 32-bit Microcontrollers - MCU 512KB Flash
Mouser does not sell this product in your region.
Datasheet
AT32UC3B0 SMD/SMT QFN-64 AVR 512 kB 96 kB 32 bit 60 MHz 44 I/O 1.65 V 1.95 V - 40 C + 85 C Reel
Microchip Technology 32-bit Microcontrollers - MCU 64KB, 64QFP 85deg. Green
Mouser does not sell this product in your region.
Datasheet
AT32UC3B0 SMD/SMT TQFP-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 Reel
Microchip Technology 32-bit Microcontrollers - MCU 32-bit 64KB Flash
Mouser does not sell this product in your region.
Datasheet
AT32UC3B0 SMD/SMT TQFP-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

Microchip Technology 32-bit Microcontrollers - MCU 64KB, 64QFN 85deg. Green
Mouser does not sell this product in your region.
Datasheet
AT32UC3B0 SMD/SMT QFN-64 AVR 64 kB 16 kB 32 bit 60 MHz 44 I/O 1.65 V 1.95 V - 40 C + 85 C Reel
Microchip Technology 32-bit Microcontrollers - MCU 128KB, 48QFN 85deg. Green
Mouser does not sell this product in your region.
Datasheet
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 Reel
Microchip Technology 32-bit Microcontrollers - MCU 128KB, 48QFN 85deg. Green
Mouser does not sell this product in your region.
Datasheet
AT32UC3B1 SMD/SMT QFN-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 Reel
Microchip Technology 32-bit Microcontrollers - MCU 256KB, 48TQFP 85deg. Green
Mouser does not sell this product in your region.
Datasheet
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 Reel