8-bit Microcontrollers - MCU – Mouser Hong Kong

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picoPower® Microcontrollers

Microchip picoPower® 8- and 32-bit low, high-performance Microcontrollers (MCUs) meet the tough requirements for portable and battery-operated applications. Microchip picoPower technology is found in the tinyAVR®, megaAVR®, AVR®, XMEGA™, and AVR UC3 MCUs. Microchip picoPower technology enables AVR MCUs to operate at the industry's lowest power consumption with 650 nA with an RTC running and 100 nA in Power Down sleep.

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Part #

8-bit Microcontrollers - MCU AVR,16KB FLASH,20MHZ IND TEMP,8V

ATMEGA164PA-AUR
Microchip Technology
1: HK$37.89
7,665In Stock

Mfr. Part No.
ATMEGA164PA-AUR

Mouser Part No
556-ATMEGA164PA-AUR

Microchip Technology

8-bit Microcontrollers - MCU AVR,16KB FLASH,20MHZ IND TEMP,8V

Learn More

Datasheet

7,665In Stock

Cut Tape

HK$37.89

HK$36.91

HK$33.78

HK$32.47

View

Reel

HK$32.06

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

AVR

16 kB

1 kB

TQFP-44

20 MHz

10 bit

32 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

ATmega164

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU AVR,128KB FLASH,1.8V 4KB EE 16KB SRAM

ATMEGA1284P-MUR
Microchip Technology
1: HK$58.77
3,778In Stock

Mfr. Part No.
ATMEGA1284P-MUR

Mouser Part No
556-ATMEGA1284P-MUR

Microchip Technology

8-bit Microcontrollers - MCU AVR,128KB FLASH,1.8V 4KB EE 16KB SRAM

Learn More

Datasheet

3,778In Stock

Cut Tape

HK$58.77

HK$57.29

HK$54.83

Reel

HK$48.66

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

AVR

128 kB

16 kB

VQFN-44

20 MHz

10 bit

32 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

ATmega1284

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU AVR 32K FLSH 2K SRAM 1KB EE-20 MHZ MLF 5

ATMEGA329P-20MU
Microchip Technology
1: HK$54.50
238In Stock

Mfr. Part No.
ATMEGA329P-20MU

Mouser Part No
556-ATMEGA329P-20MU

Microchip Technology

8-bit Microcontrollers - MCU AVR 32K FLSH 2K SRAM 1KB EE-20 MHZ MLF 5

Datasheet

238In Stock

HK$54.50

HK$49.90

HK$49.81

HK$49.57

Quote

Min.: 1
Mult.: 1

AVR

32 kB

2 kB

MLF-64

20 MHz

10 bit

54 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

ATmega329P

Tray

8-bit Microcontrollers - MCU 1KB FLASH 64B EE 64B SRAM 20MHz

ATTINY13A-SN
Microchip Technology
1: HK$8.63
2,844In Stock

Mfr. Part No.
ATTINY13A-SN

Mouser Part No
556-ATTINY13A-SN

Microchip Technology

8-bit Microcontrollers - MCU 1KB FLASH 64B EE 64B SRAM 20MHz

Datasheet

2,844In Stock

HK$8.63

HK$7.89

HK$7.15

Min.: 1
Mult.: 1

AVR

1 kB

64 B

SOIC-8

20 MHz

10 bit

6 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 125 C

ATtiny13A

Tube

8-bit Microcontrollers - MCU AVR 32K FLSH 2K SRAM 1KB EE - 20 MHZ 5V

ATMEGA3250P-20AU
Microchip Technology
1: HK$51.87
324In Stock

Mfr. Part No.
ATMEGA3250P-20AU

Mouser Part No
556-ATMEGA3250P-20AU

Microchip Technology

8-bit Microcontrollers - MCU AVR 32K FLSH 2K SRAM 1KB EE - 20 MHZ 5V

Datasheet

324In Stock

HK$51.87

HK$47.59

HK$43.07

Min.: 1
Mult.: 1

AVR

32 kB

2 kB

TQFP-100

20 MHz

10 bit

69 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

ATmega3250P

Tray

8-bit Microcontrollers - MCU AVR 8KB, 64B EE 12MHz 512B SRAM, 5V

ATTINY88-MMH
Microchip Technology
1: HK$9.29
2,925In Stock

Mfr. Part No.
ATTINY88-MMH

Mouser Part No
556-ATTINY88-MMH

Microchip Technology

8-bit Microcontrollers - MCU AVR 8KB, 64B EE 12MHz 512B SRAM, 5V

Learn More

Datasheet

2,925In Stock

HK$9.29

HK$8.96

HK$8.63

HK$8.47

HK$7.81

Min.: 1
Mult.: 1

AVR

8 kB

512 B

VQFN-28

12 MHz

10 bit

24 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

ATtiny88

Tray

8-bit Microcontrollers - MCU 1KB In-system Flash 20MHz 1.8V-5.5V

ATTINY13A-MU
Microchip Technology
1: HK$6.74
1,225In Stock

Mfr. Part No.
ATTINY13A-MU

Mouser Part No
556-ATTINY13A-MU

Microchip Technology

8-bit Microcontrollers - MCU 1KB In-system Flash 20MHz 1.8V-5.5V

Datasheet

1,225In Stock

HK$6.74

HK$6.44

HK$6.30

HK$6.26

Min.: 1
Mult.: 1

AVR

1 kB

64 B

MLF-20

20 MHz

10 bit

6 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 125 C

ATtiny13A

Tray

8-bit Microcontrollers - MCU AVR 4KB, 64B EE 12MHz 256B SRAM, 5V

ATTINY48-MMH
Microchip Technology
1: HK$9.29
3,871In Stock

Mfr. Part No.
ATTINY48-MMH

Mouser Part No
556-ATTINY48-MMH

Microchip Technology

8-bit Microcontrollers - MCU AVR 4KB, 64B EE 12MHz 256B SRAM, 5V

Datasheet

3,871In Stock

HK$9.29

HK$7.89

Min.: 1
Mult.: 1

AVR

4 kB

256 B

VQFN-28

12 MHz

10 bit

24 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

ATtiny48

Tray

8-bit Microcontrollers - MCU AVR 32K FLSH 2K SRAM 1KB EE - 20 MHZ 5V

ATMEGA3290P-20AU
Microchip Technology
1: HK$61.98
120In Stock

Mfr. Part No.
ATMEGA3290P-20AU

Mouser Part No
556-ATMEGA3290P-20AU

Microchip Technology

8-bit Microcontrollers - MCU AVR 32K FLSH 2K SRAM 1KB EE - 20 MHZ 5V

Datasheet

120In Stock

HK$61.98

HK$56.72

HK$56.64

HK$51.46

Min.: 1
Mult.: 1

AVR

32 kB

2 kB

TQFP-100

20 MHz

10 bit

69 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

ATmega3290P

Tray

8-bit Microcontrollers - MCU 2K Flash;125B EEPROM 128B SRAM;16 IO Pins

ATTINY261A-XU
Microchip Technology
1: HK$12.82
766In Stock

Mfr. Part No.
ATTINY261A-XU

Mouser Part No
556-ATTINY261A-XU

Microchip Technology

8-bit Microcontrollers - MCU 2K Flash;125B EEPROM 128B SRAM;16 IO Pins

Learn More

Datasheet

766In Stock

HK$12.82

HK$11.67

HK$10.60

Min.: 1
Mult.: 1

AVR

2 kB

128 B

TSSOP-20

20 MHz

10 bit

16 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

ATtinyx61A

Tube

8-bit Microcontrollers - MCU AVR 32K FLSH 2K SRAM 1KB EE - 20 MHZ 5V

ATMEGA329P-20AU
Microchip Technology
1: HK$54.50
134In Stock

Mfr. Part No.
ATMEGA329P-20AU

Mouser Part No
556-ATMEGA329P-20AU

Microchip Technology

8-bit Microcontrollers - MCU AVR 32K FLSH 2K SRAM 1KB EE - 20 MHZ 5V

Datasheet

134In Stock

HK$54.50

HK$50.06

HK$49.81

HK$45.29

Min.: 1
Mult.: 1

AVR

32 kB

2 kB

TQFP-64

20 MHz

10 bit

54 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

ATmega329P

Tray

8-bit Microcontrollers - MCU AVR 32K FLSH 2K SRAM 1KB EE - 20 MHZ 5V

ATMEGA325P-20AU
Microchip Technology
1: HK$50.06
2,183In Stock

Mfr. Part No.
ATMEGA325P-20AU

Mouser Part No
556-ATMEGA325P-20AU

Microchip Technology

8-bit Microcontrollers - MCU AVR 32K FLSH 2K SRAM 1KB EE - 20 MHZ 5V

Datasheet

2,183In Stock

HK$50.06

HK$45.54

Min.: 1
Mult.: 1

AVR

32 kB

2 kB

TQFP-64

20 MHz

10 bit

54 I/O

2.7 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

ATmega325P

Tray

8-bit Microcontrollers - MCU AVR 32KB 1KB EE 20MHz 2KB SRAM 5V

ATMEGA324PA-MCH
Microchip Technology
1: HK$42.17
287In Stock
19On Order
NRND

Mfr. Part No.
ATMEGA324PA-MCH

Mouser Part No
556-ATMEGA324PA-MCH

NRND

Microchip Technology

8-bit Microcontrollers - MCU AVR 32KB 1KB EE 20MHz 2KB SRAM 5V

Learn More

Datasheet

287In Stock

19On Order

HK$42.17

HK$37.40

HK$37.32

HK$37.24

Min.: 1
Mult.: 1

AVR

32 kB

2 kB

QFN-44

20 MHz

10 bit

32 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

ATmega324

Tray

8-bit Microcontrollers - MCU AVR 32KB 1KB EE 20MHz 2KB SRAM 5V

ATMEGA324PA-AU
Microchip Technology
1: HK$41.43
3,337In Stock
NRND

Mfr. Part No.
ATMEGA324PA-AU

Mouser Part No
556-ATMEGA324PA-AU

NRND

Microchip Technology

8-bit Microcontrollers - MCU AVR 32KB 1KB EE 20MHz 2KB SRAM 5V

Learn More

Datasheet

3,337In Stock

HK$41.43

Min.: 1
Mult.: 1

AVR

32 kB

2 kB

TQFP-44

20 MHz

10 bit

32 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

ATmega324

Tray

8-bit Microcontrollers - MCU 2K Flash;125B EEPROM 128B SRAM;16 IO Pins

ATTINY261A-SU
Microchip Technology
1: HK$11.67
20,590In Stock

Mfr. Part No.
ATTINY261A-SU

Mouser Part No
556-ATTINY261A-SU

Microchip Technology

8-bit Microcontrollers - MCU 2K Flash;125B EEPROM 128B SRAM;16 IO Pins

Learn More

Datasheet

20,590In Stock

HK$11.67

Min.: 1
Mult.: 1

AVR

2 kB

128 B

SOIC-20

20 MHz

10 bit

16 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

ATtinyx61A

Tube

8-bit Microcontrollers - MCU AVR 16KB 512B EE 20MHz 1KB SRAM 125c

ATMEGA164PA-AU
Microchip Technology
1: HK$36.66
2,267In Stock
NRND

Mfr. Part No.
ATMEGA164PA-AU

Mouser Part No
556-ATMEGA164PA-AU

NRND

Microchip Technology

8-bit Microcontrollers - MCU AVR 16KB 512B EE 20MHz 1KB SRAM 125c

Learn More

Datasheet

2,267In Stock

HK$36.66

Min.: 1
Mult.: 1

AVR

16 kB

1 kB

TQFP-44

20 MHz

10 bit

32 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

ATmega164

Tray

8-bit Microcontrollers - MCU 32KB In-system Flash 20MHz 1.8V-5.5V

ATMEGA328P-AU
Microchip Technology
1: HK$21.87
10,899In Stock
NRND

Mfr. Part No.
ATMEGA328P-AU

Mouser Part No
556-ATMEGA328P-AU

NRND

Microchip Technology

8-bit Microcontrollers - MCU 32KB In-system Flash 20MHz 1.8V-5.5V

Learn More

Datasheet

10,899In Stock

HK$21.87

Min.: 1
Mult.: 1

AVR

32 kB

2 kB

TQFP-32

20 MHz

10 bit

23 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

ATmega328P

Tray

8-bit Microcontrollers - MCU 32KB In-system Flash 20MHz 1.8V-5.5V

ATMEGA328P-PU
Microchip Technology
1: HK$23.76
10,472In Stock
NRND

Mfr. Part No.
ATMEGA328P-PU

Mouser Part No
556-ATMEGA328P-PU

NRND

Microchip Technology

8-bit Microcontrollers - MCU 32KB In-system Flash 20MHz 1.8V-5.5V

Learn More

Datasheet

Product Comments

10,472In Stock

HK$23.76

Min.: 1
Mult.: 1

AVR

32 kB

2 kB

PDIP-28

20 MHz

10 bit

23 I/O

1.8 V

5.5 V

Through Hole

8 bit

- 40 C

+ 85 C

ATmega328P

Tube

8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V

ATMEGA1284P-AU
Microchip Technology
1: HK$57.46
11,563In Stock

Mfr. Part No.
ATMEGA1284P-AU

Mouser Part No
556-ATMEGA1284P-AU

Microchip Technology

8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V

Learn More

Datasheet

11,563In Stock

HK$57.46

Min.: 1
Mult.: 1

AVR

128 kB

16 kB

TQFP-44

20 MHz

10 bit

32 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

ATmega1284

Tray

8-bit Microcontrollers - MCU 16KB FLASH 512B EE 1KB SRAM - 20 MHz

ATMEGA168PA-AU
Microchip Technology
1: HK$18.33
2,114In Stock
NRND

Mfr. Part No.
ATMEGA168PA-AU

Mouser Part No
556-ATMEGA168PA-AU

NRND

Microchip Technology

8-bit Microcontrollers - MCU 16KB FLASH 512B EE 1KB SRAM - 20 MHz

Learn More

Datasheet

2,114In Stock

HK$18.33

Min.: 1
Mult.: 1

AVR

16 kB

1 kB

TQFP-32

20 MHz

10 bit

23 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

ATmega168PA

Tray

8-bit Microcontrollers - MCU AVR,128KB FLASH,1.8V 4KB EE 16KB SRAM

ATMEGA1284P-AUR
Microchip Technology
1: HK$58.77
1,689In Stock
2,000Expected 20/8/2026

Mfr. Part No.
ATMEGA1284P-AUR

Mouser Part No
556-ATMEGA1284P-AUR

Microchip Technology

8-bit Microcontrollers - MCU AVR,128KB FLASH,1.8V 4KB EE 16KB SRAM

Learn More

Datasheet

1,689In Stock

2,000Expected 20/8/2026

Cut Tape

HK$58.77

Reel

HK$58.77

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

AVR

128 kB

16 kB

TQFP-44

20 MHz

10 bit

32 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

ATmega1284

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V

ATMEGA1284P-MU
Microchip Technology
1: HK$57.46
441In Stock

Mfr. Part No.
ATMEGA1284P-MU

Mouser Part No
556-ATMEGA1284P-MU

Microchip Technology

8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V

Learn More

Datasheet

441In Stock

HK$57.46

Min.: 1
Mult.: 1

AVR

128 kB

16 kB

VQFN-44

20 MHz

10 bit

32 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

ATmega1284

Tray

8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V

ATMEGA1284P-PU
Microchip Technology
1: HK$61.07
1,081In Stock

Mfr. Part No.
ATMEGA1284P-PU

Mouser Part No
556-ATMEGA1284P-PU

Microchip Technology

8-bit Microcontrollers - MCU 128KB Flash 20MHz 1.8V-5.5V

Learn More

Datasheet

1,081In Stock

HK$61.07

Min.: 1
Mult.: 1

AVR

128 kB

16 kB

PDIP-40

20 MHz

10 bit

32 I/O

1.8 V

5.5 V

Through Hole

8 bit

- 40 C

+ 85 C

ATmega1284

Tube

8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins

ATMEGA644PA-AU
Microchip Technology
1: HK$52.94
696In Stock

Mfr. Part No.
ATMEGA644PA-AU

Mouser Part No
556-ATMEGA644PA-AU

Microchip Technology

8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins

Learn More

Datasheet

696In Stock

HK$52.94

Min.: 1
Mult.: 1

AVR

64 kB

4 kB

TQFP-44

20 MHz

10 bit

32 I/O

1.8 V

5.5 V

SMD/SMT

8 bit

- 40 C

+ 85 C

ATmega644

Tray

8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins

ATMEGA644PA-PU
Microchip Technology
1: HK$56.39
667In Stock

Mfr. Part No.
ATMEGA644PA-PU

Mouser Part No
556-ATMEGA644PA-PU

Microchip Technology

8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins

Learn More

Datasheet

667In Stock

HK$56.39

Min.: 1
Mult.: 1

AVR

64 kB

4 kB

PDIP-40

20 MHz

10 bit

32 I/O

1.8 V

5.5 V

Through Hole

8 bit

- 40 C

+ 85 C

ATmega644

Tube

picoPower® Microcontrollers

Customer Service Office

Company

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Support

MLF-10
MLF-20
MLF-28
MLF-32
MLF-64
PDIP-14
PDIP-20
PDIP-28
PDIP-40
PDIP-8
QFN-20
QFN-28
QFN-32
QFN-44
SOIC-14
SOIC-20
SOIC-8
TQFP-100
TQFP-32
TQFP-44