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12 bit 256 kB 8-bit Microcontrollers - MCU

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ADC Resolution = 12 bit Program Memory Size = 256 kB

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Part #

8-bit Microcontrollers - MCU 8/16 bit 1.6V-3.6V 256K+8K; Batt Backup

ATXMEGA256A3B-MH
Microchip Technology
1: $15.72
1,719In Stock

Mfr. Part No.
ATXMEGA256A3B-MH

Mouser Part No
556-ATXMEGA256A3B-MH

Microchip Technology

8-bit Microcontrollers - MCU 8/16 bit 1.6V-3.6V 256K+8K; Batt Backup

Learn More

Datasheet

1,719In Stock

$15.72

$15.04

$14.27

Min.: 1
Mult.: 1

AVR

256 kB

16 kB

QFN-64

32 MHz

12 bit

49 I/O

1.6 V

3.6 V

SMD/SMT

8 bit/16 bit

- 40 C

+ 85 C

XMEGA A3B

Tray

8-bit Microcontrollers - MCU 64 TQFP, 105C TEMP, GREEN, 1.6-3.6V

ATXMEGA256A3U-AN
Microchip Technology
1: $12.69
3,678In Stock

Mfr. Part No.
ATXMEGA256A3U-AN

Mouser Part No
556-ATXMEGA256A3U-AN

Microchip Technology

8-bit Microcontrollers - MCU 64 TQFP, 105C TEMP, GREEN, 1.6-3.6V

Datasheet

3,678In Stock

$12.69

$11.64

$10.54

Min.: 1
Mult.: 1

AVR

256 kB

16 kB

TQFP-64

32 MHz

12 bit

50 I/O

1.6 V

3.6 V

SMD/SMT

8 bit/16 bit

- 40 C

+ 105 C

XMEGA A3U

Tray

8-bit Microcontrollers - MCU 64 IND TEMP, GREEN, 1.6-3.6V T&R

ATXMEGA256A3U-AUR
Microchip Technology
1: $12.73
3,258In Stock

Mfr. Part No.
ATXMEGA256A3U-AUR

Mouser Part No
556-ATXMEGA256A3UAUR

Microchip Technology

8-bit Microcontrollers - MCU 64 IND TEMP, GREEN, 1.6-3.6V T&R

Datasheet

3,258In Stock

Cut Tape

$12.73

$11.37

$11.33

$11.27

View

Reel

$10.74

Min.: 1
Mult.: 1

: 1,000

AVR

256 kB

16 kB

TQFP-64

32 MHz

12 bit

50 I/O

1.6 V

3.6 V

SMD/SMT

8 bit/16 bit

- 40 C

+ 85 C

XMEGA A3U

Reel, Cut Tape

8-bit Microcontrollers - MCU 256KB FL 4KB EE 16K SRAM IND 1.6-3.6V

ATXMEGA256A3-AUR
Microchip Technology
1: $16.31
1,346In Stock

Mfr. Part No.
ATXMEGA256A3-AUR

Mouser Part No
556-ATXMEGA256A3-AUR

Microchip Technology

8-bit Microcontrollers - MCU 256KB FL 4KB EE 16K SRAM IND 1.6-3.6V

Datasheet

1,346In Stock

Cut Tape

$16.31

$15.88

$15.35

$15.20

Reel

$13.55

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

AVR

256 kB

16 kB

TQFP-64

32 MHz

12 bit

50 I/O

1.6 V

3.6 V

SMD/SMT

8 bit/16 bit

- 40 C

+ 85 C

XMEGA A3

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 256KB FL 4KB EE 16K SRAM IND 1.6-3.6V

ATXMEGA256D3-MHR
Microchip Technology
1: $10.21
3,020In Stock

Mfr. Part No.
ATXMEGA256D3-MHR

Mouser Part No
556-ATXMEGA256D3-MHR

Microchip Technology

8-bit Microcontrollers - MCU 256KB FL 4KB EE 16K SRAM IND 1.6-3.6V

Datasheet

3,020In Stock

Cut Tape

$10.21

$9.97

$9.63

$9.52

Reel

$8.50

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

AVR

256 kB

16 kB

VQFN-64

32 MHz

12 bit

50 I/O

1.6 V

3.6 V

SMD/SMT

8 bit/16 bit

- 40 C

+ 85 C

XMEGA D3

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 64TQF IND TEMP GREEN 1.6-3.6V

ATXMEGA256C3-AUR
Microchip Technology
1: $10.38
988In Stock

Mfr. Part No.
ATXMEGA256C3-AUR

Mouser Part No
556-ATXMEGA256C3-AUR

Microchip Technology

8-bit Microcontrollers - MCU 64TQF IND TEMP GREEN 1.6-3.6V

Datasheet

988In Stock

Cut Tape

$10.38

Reel

$10.38

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

AVR

256 kB

16 kB

TQFP-64

32 MHz

12 bit

50 I/O

1.6 V

3.6 V

SMD/SMT

8 bit/16 bit

- 40 C

+ 85 C

XMEGA C3

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8/16-bit AVR 256K Flash

ATXMEGA256C3-AU
Microchip Technology
1: $10.20
150In Stock

Mfr. Part No.
ATXMEGA256C3-AU

Mouser Part No
556-ATXMEGA256C3-AU

Microchip Technology

8-bit Microcontrollers - MCU 8/16-bit AVR 256K Flash

Datasheet

150In Stock

$10.20

$9.34

$8.49

Quote

Min.: 1
Mult.: 1

AVR

256 kB

16 kB

TQFP-64

32 MHz

12 bit

50 I/O

1.6 V

3.6 V

SMD/SMT

8 bit/16 bit

- 40 C

+ 105 C

XMEGA C3

Tray

8-bit Microcontrollers - MCU 256KB FL 4KB EE 16K SRAM IND 1.6-3.6V

ATXMEGA256D3-AUR
Microchip Technology
1: $10.39
732In Stock

Mfr. Part No.
ATXMEGA256D3-AUR

Mouser Part No
556-ATXMEGA256D3-AUR

Microchip Technology

8-bit Microcontrollers - MCU 256KB FL 4KB EE 16K SRAM IND 1.6-3.6V

Datasheet

732In Stock

Cut Tape

$10.39

Reel

$10.39

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

AVR

256 kB

16 kB

TQFP-64

32 MHz

12 bit

50 I/O

1.6 V

3.6 V

SMD/SMT

8 bit/16 bit

- 40 C

+ 85 C

XMEGA D3

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8/16-bit AVR 256K Flash

ATXMEGA256C3-MH
Microchip Technology
1: $10.04
1,096In Stock

Mfr. Part No.
ATXMEGA256C3-MH

Mouser Part No
556-ATXMEGA256C3-MH

Microchip Technology

8-bit Microcontrollers - MCU 8/16-bit AVR 256K Flash

Datasheet

1,096In Stock

$10.04

Min.: 1
Mult.: 1

AVR

256 kB

16 kB

VQFN-64

32 MHz

12 bit

50 I/O

1.6 V

3.6 V

SMD/SMT

8 bit/16 bit

- 40 C

+ 105 C

XMEGA C3

Tray

8-bit Microcontrollers - MCU 8/16 bit 1.6V-3.6V 256KB + 8KB

ATXMEGA256A3-AU
Microchip Technology
1: $16.06
489In Stock

Mfr. Part No.
ATXMEGA256A3-AU

Mouser Part No
556-ATXMEGA256A3-AU

Microchip Technology

8-bit Microcontrollers - MCU 8/16 bit 1.6V-3.6V 256KB + 8KB

Learn More

Datasheet

489In Stock

$16.06

Min.: 1
Mult.: 1

AVR

256 kB

16 kB

TQFP-64

32 MHz

12 bit

50 I/O

1.6 V

3.6 V

SMD/SMT

8 bit/16 bit

- 40 C

+ 85 C

XMEGA A3

Tray

8-bit Microcontrollers - MCU AVR8 256KB FLSH 16KB

ATXMEGA256A3BU-AU
Microchip Technology
1: $12.57
317In Stock

Mfr. Part No.
ATXMEGA256A3BU-AU

Mouser Part No
556-ATXMEGA256A3BUAU

Microchip Technology

8-bit Microcontrollers - MCU AVR8 256KB FLSH 16KB

Datasheet

317In Stock

$12.57

Min.: 1
Mult.: 1

AVR

256 kB

16 kB

TQFP-64

32 MHz

12 bit

47 I/O

1.6 V

3.6 V

SMD/SMT

8 bit/16 bit

- 40 C

+ 85 C

XMEGA A3BU

Tray

8-bit Microcontrollers - MCU AVR8 256KB FLSH 16KB

ATXMEGA256A3BU-MH
Microchip Technology
1: $12.13
191In Stock

Mfr. Part No.
ATXMEGA256A3BU-MH

Mouser Part No
556-ATXMEGA256A3BUMH

Microchip Technology

8-bit Microcontrollers - MCU AVR8 256KB FLSH 16KB

Datasheet

191In Stock

$12.13

$11.10

$10.06

Min.: 1
Mult.: 1

AVR

256 kB

16 kB

QFN-64

32 MHz

12 bit

47 I/O

1.6 V

3.6 V

SMD/SMT

8 bit/16 bit

- 40 C

+ 85 C

XMEGA A3BU

Tray

8-bit Microcontrollers - MCU AVR8 256KB FLSH 16KB

ATXMEGA256A3U-AU
Microchip Technology
1: $12.57
571In Stock

Mfr. Part No.
ATXMEGA256A3U-AU

Mouser Part No
556-ATXMEGA256A3U-AU

Microchip Technology

8-bit Microcontrollers - MCU AVR8 256KB FLSH 16KB

Datasheet

571In Stock

$12.57

Min.: 1
Mult.: 1

AVR

256 kB

16 kB

TQFP-64

32 MHz

12 bit

50 I/O

1.6 V

3.6 V

SMD/SMT

8 bit/16 bit

- 40 C

+ 85 C

XMEGA A3U

Tray

8-bit Microcontrollers - MCU 8/16 bit 1.6V-3.6V 256KB + 8KB

ATXMEGA256A3-MH
Microchip Technology
1: $16.06
42In Stock

Mfr. Part No.
ATXMEGA256A3-MH

Mouser Part No
556-ATXMEGA256A3-MH

Microchip Technology

8-bit Microcontrollers - MCU 8/16 bit 1.6V-3.6V 256KB + 8KB

Learn More

Datasheet

42In Stock

$16.06

$14.73

$13.31

Min.: 1
Mult.: 1

AVR

256 kB

16 kB

QFN-64

32 MHz

12 bit

50 I/O

1.6 V

3.6 V

SMD/SMT

8 bit/16 bit

- 40 C

+ 85 C

XMEGA A3

Tray

8-bit Microcontrollers - MCU 256K FLASH;4K EE;16K SRAM;1.6-3.6V;32MHz

ATXMEGA256D3-MH
Microchip Technology
1: $10.04
5In Stock

Mfr. Part No.
ATXMEGA256D3-MH

Mouser Part No
556-ATXMEGA256D3-MH

Microchip Technology

8-bit Microcontrollers - MCU 256K FLASH;4K EE;16K SRAM;1.6-3.6V;32MHz

Datasheet

5In Stock

$10.04

Min.: 1
Mult.: 1

AVR

256 kB

16 kB

QFN-64

32 MHz

12 bit

50 I/O

1.6 V

3.6 V

SMD/SMT

8 bit/16 bit

- 40 C

+ 85 C

XMEGA D3

Tray

8-bit Microcontrollers - MCU AVR8 256KB FLSH 16KB

ATXMEGA256A3U-MH
Microchip Technology
1: $12.13
28In Stock
3,120Expected 26/10/2026

Mfr. Part No.
ATXMEGA256A3U-MH

Mouser Part No
556-ATXMEGA256A3U-MH

Microchip Technology

8-bit Microcontrollers - MCU AVR8 256KB FLSH 16KB

Datasheet

28In Stock

3,120Expected 26/10/2026

$12.13

$10.06

Min.: 1
Mult.: 1

AVR

256 kB

16 kB

QFN-64

32 MHz

12 bit

50 I/O

1.6 V

3.6 V

SMD/SMT

8 bit/16 bit

- 40 C

+ 85 C

XMEGA A3U

Tray

8-bit Microcontrollers - MCU AVR XMEGA 256KB FLSH 4KB EE 16K-64QFN

ATXMEGA256A3BU-MHR
Microchip Technology
1: $12.29
684In Stock

Mfr. Part No.
ATXMEGA256A3BU-MHR

Mouser Part No
556-XMEGA256A3BU-MHR

Microchip Technology

8-bit Microcontrollers - MCU AVR XMEGA 256KB FLSH 4KB EE 16K-64QFN

Datasheet

684In Stock

Cut Tape

$12.29

Reel

$12.29

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

AVR

256 kB

16 kB

VQFN-64

32 MHz

12 bit

47 I/O

1.6 V

3.6 V

SMD/SMT

8 bit/16 bit

- 40 C

+ 85 C

XMEGA A3BU

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 256KB FL 4KB EE 16K SRAM IND 1.6-3.6V

ATXMEGA256A3-MHR
Microchip Technology
4,000: $16.31
Non-Stocked Lead-Time 11 Weeks

Mfr. Part No.
ATXMEGA256A3-MHR

Mouser Part No
556-ATXMEGA256A3-MHR

Microchip Technology

8-bit Microcontrollers - MCU 256KB FL 4KB EE 16K SRAM IND 1.6-3.6V

Datasheet

Non-Stocked Lead-Time 11 Weeks

Reel

$16.31

Min.: 4,000
Mult.: 4,000

: 4,000

AVR

256 kB

16 kB

QFN-64

32 MHz

12 bit

50 I/O

1.6 V

3.6 V

SMD/SMT

8 bit/16 bit

- 40 C

+ 85 C

XMEGA A3

Reel

8-bit Microcontrollers - MCU 64QFN IND TEMP GREEN 1.6-3.6V

ATXMEGA256C3-MHR
Microchip Technology
4,000: $9.37
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
ATXMEGA256C3-MHR

Mouser Part No
556-ATXMEGA256C3-MHR

Microchip Technology

8-bit Microcontrollers - MCU 64QFN IND TEMP GREEN 1.6-3.6V

Datasheet

Non-Stocked Lead-Time 9 Weeks

Reel

$9.37

Min.: 4,000
Mult.: 4,000

: 4,000

AVR

256 kB

16 kB

QFN-64

32 MHz

12 bit

50 I/O

1.6 V

3.6 V

SMD/SMT

8 bit

- 40 C

+ 85 C

XMEGA C3

Reel

12 bit 256 kB 8-bit Microcontrollers - MCU

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