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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Dami RoHS ECAD Model Series
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Laki ng Data RAM
Lapad ng Data Bus
Resolusyon ng ADC
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Dami ng I/O
Supply Voltage - Min
Supply Voltage - Max
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Maximum na Operating Temperature
Packaging
Microchip Technology 32-bit Microcontrollers - MCU 512KB Flash
Datasheet
374May Stock
Min.: 1
Mult.: 1

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 256KB Flash
Datasheet
343May Stock
Min.: 1
Mult.: 1

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 32-bit 64KB Flash
Datasheet
227May Stock
Min.: 1
Mult.: 1

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 32-bit 128KB Flash
Datasheet
153May Stock
Min.: 1
Mult.: 1

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 256KB Flash
Datasheet
2,503May Stock
Min.: 1
Mult.: 1

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 32-bit 128KB Flash
Datasheet
210May Stock
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
Microchip Technology 32-bit Microcontrollers - MCU 256KB, 64QFP 85deg. Green
Datasheet
325May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
: 1,500

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 512KB Flash
Datasheet
685May Stock
Available ang MouseReel
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
Microchip Technology 32-bit Microcontrollers - MCU 512KB Flash
Datasheet
1,061May Stock
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

Microchip Technology 32-bit Microcontrollers - MCU 512KB Flash
Datasheet
814May Stock
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
Microchip Technology 32-bit Microcontrollers - MCU 32-bit
Datasheet
743May Stock
1,500Inaasahan 9/14/2026
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
Microchip Technology 32-bit Microcontrollers - MCU 32-bit 128KB Flash
Datasheet
15May Stock
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

Microchip Technology 32-bit Microcontrollers - MCU 32-bit 256KB Flash
Datasheet
38May Stock
520Inaasahan 10/8/2026
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

Microchip Technology 32-bit Microcontrollers - MCU 32-bit 64KB Flash
Datasheet
1,820Inaasahan 10/5/2026
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
Microchip Technology 32-bit Microcontrollers - MCU 128KB, 64QFN 85deg. Green
Datasheet
Lead-Time para sa Hindi Naka-stock 17 (na) Linggo
Min.: 1,500
Mult.: 1,500
: 1,500

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
Datasheet
Lead-Time para sa Hindi Naka-stock 25 (na) Linggo
Min.: 4,000
Mult.: 4,000
: 4,000

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
Datasheet
Lead-Time para sa Hindi Naka-stock 25 (na) Linggo
Min.: 260
Mult.: 260

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
Datasheet
Lead-Time para sa Hindi Naka-stock 25 (na) Linggo
Min.: 4,000
Mult.: 4,000
: 4,000

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
Datasheet
Lead-Time para sa Hindi Naka-stock 17 (na) Linggo
Min.: 4,000
Mult.: 4,000
: 4,000

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
Datasheet
Lead-Time para sa Hindi Naka-stock 17 (na) Linggo
Min.: 1,500
Mult.: 1,500
: 1,500

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
Datasheet
Lead-Time 17 (na) Linggo
Min.: 1
Mult.: 1

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
Datasheet
Lead-Time para sa Hindi Naka-stock 25 (na) Linggo
Min.: 4,000
Mult.: 4,000
: 4,000

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
Datasheet
Lead-Time para sa Hindi Naka-stock 16 (na) Linggo
Min.: 2,500
Mult.: 2,500
: 2,500

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
Datasheet
Lead-Time para sa Hindi Naka-stock 16 (na) Linggo
Min.: 4,000
Mult.: 4,000
: 4,000

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
Datasheet
Lead-Time para sa Hindi Naka-stock 16 (na) Linggo
Min.: 2,500
Mult.: 2,500
: 2,500

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