8051 Core – Mouser Hong Kong

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Part #

8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V

AT89S8253-24JU
Microchip Technology
1: HK$38.72
343In Stock
2,781Expected 4/9/2026

Mfr. Part No.
AT89S8253-24JU

Mouser Part No
556-A89S8253-24JU

Microchip Technology

8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V

Datasheet

343In Stock

2,781Expected 4/9/2026

HK$38.72

HK$35.43

HK$34.20

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V

AT89S8253-24PU
Microchip Technology
1: HK$36.58
713In Stock

Mfr. Part No.
AT89S8253-24PU

Mouser Part No
556-A89S8253-24PU

Microchip Technology

8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V

Datasheet

713In Stock

HK$36.58

HK$33.62

HK$32.30

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU MCU 8-Bit HI Perform ROMless 3-5V

AT80C51RD2-SLRUM
Microchip Technology
1: HK$35.02
660In Stock

Mfr. Part No.
AT80C51RD2-SLRUM

Mouser Part No
556-AT80C51RD2-SLRUM

Microchip Technology

8-bit Microcontrollers - MCU MCU 8-Bit HI Perform ROMless 3-5V

Datasheet

660In Stock

Cut Tape

HK$35.02

Reel

HK$35.02

MouseReel Available

Min.: 1
Mult.: 1

: 500

8-bit Microcontrollers - MCU MCU 8-Bit HI Perform ROMless 3-5V

AT80C51RD2-SLSUM
Microchip Technology
1: HK$33.70
434In Stock

Mfr. Part No.
AT80C51RD2-SLSUM

Mouser Part No
556-AT80C51RD2-SLSUM

Microchip Technology

8-bit Microcontrollers - MCU MCU 8-Bit HI Perform ROMless 3-5V

Datasheet

434In Stock

HK$33.70

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU C51AC3 64kF ADC EEP TQFP44 ind 5V GREEN

AT89C51AC3T-RLTUM
Microchip Technology
1: HK$84.09
156In Stock
160Expected 26/10/2026

Mfr. Part No.
AT89C51AC3T-RLTUM

Mouser Part No
556-AT89C51AC3TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51AC3 64kF ADC EEP TQFP44 ind 5V GREEN

Learn More

Datasheet

156In Stock

160Expected 26/10/2026

HK$84.09

HK$77.02

HK$69.95

HK$69.87

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU CAN TQFP44 TRAY I. Bootloader UART GREEN

AT89C51CC01UAT-RLTUM
Microchip Technology
1: HK$74.56
1,142In Stock

Mfr. Part No.
AT89C51CC01UAT-RLTUM

Mouser Part No
556-AT89C51CC01UATUM

Microchip Technology

8-bit Microcontrollers - MCU CAN TQFP44 TRAY I. Bootloader UART GREEN

Learn More

Datasheet

1,142In Stock

HK$74.56

HK$68.31

HK$61.90

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU C51ED2 64kF TQFP44 3-5.5V Ind GREEN

AT89C51ED2T-RLTUM
Microchip Technology
1: HK$80.64
726In Stock

Mfr. Part No.
AT89C51ED2T-RLTUM

Mouser Part No
556-AT89C51ED2TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51ED2 64kF TQFP44 3-5.5V Ind GREEN

Learn More

Datasheet

726In Stock

HK$80.64

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU C51IC2 32Kf I2C 32KHz TQFP44 I. 5V GREEN

AT89C51IC2T-RLTUM
Microchip Technology
1: HK$68.80
191In Stock

Mfr. Part No.
AT89C51IC2T-RLTUM

Mouser Part No
556-AT89C51IC2TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51IC2 32Kf I2C 32KHz TQFP44 I. 5V GREEN

Learn More

Datasheet

191In Stock

HK$68.80

HK$63.05

HK$57.21

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 ind 3V GREEN

AT89C51RB2T-RLRUL
Microchip Technology
1: HK$63.87
1,000In Stock

Mfr. Part No.
AT89C51RB2T-RLRUL

Mouser Part No
556-AT89C51RB2TLRUL

Microchip Technology

8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 ind 3V GREEN

Learn More

Datasheet

1,000In Stock

Cut Tape

HK$63.87

HK$62.31

HK$60.83

HK$58.44

View

Reel

HK$58.03

Min.: 1
Mult.: 1

: 2,000

8-bit Microcontrollers - MCU C51RC2 FLASH 32k TQFP44 Com 5V GREEN

AT89C51RC2T-RLTUM
Microchip Technology
1: HK$67.32
859In Stock

Mfr. Part No.
AT89C51RC2T-RLTUM

Mouser Part No
556-AT89C51RC2TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51RC2 FLASH 32k TQFP44 Com 5V GREEN

Learn More

Datasheet

859In Stock

HK$67.32

HK$61.65

HK$55.81

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU C51RD2 64kF TQFP44 3-5.5V Ind. GREEN

AT89C51RD2T-RLTUM
Microchip Technology
1: HK$72.17
427In Stock

Mfr. Part No.
AT89C51RD2T-RLTUM

Mouser Part No
556-AT89C51RD2TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51RD2 64kF TQFP44 3-5.5V Ind. GREEN

Learn More

Datasheet

427In Stock

HK$72.17

HK$72.01

HK$71.93

HK$60.01

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 24MHZ, PLCC, IND TEMP, GREEN, 5V

AT89C55WD-24JU
Microchip Technology
1: HK$38.31
571In Stock

Mfr. Part No.
AT89C55WD-24JU

Mouser Part No
556-AT89C55WD-24JU

Microchip Technology

8-bit Microcontrollers - MCU 24MHZ, PLCC, IND TEMP, GREEN, 5V

Datasheet

571In Stock

HK$38.31

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 20K FLASH - 24MHZ IND TEMP 5V

AT89C55WD-24PU
Microchip Technology
1: HK$42.33
936In Stock

Mfr. Part No.
AT89C55WD-24PU

Mouser Part No
556-AT89C55WD-24PU

Microchip Technology

8-bit Microcontrollers - MCU 20K FLASH - 24MHZ IND TEMP 5V

Datasheet

936In Stock

HK$42.33

HK$38.88

HK$37.40

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU Single-Cycle 805124K ISP Flash,2.4-5.5V

AT89LP51RB2-20JU
Microchip Technology
1: HK$33.13
738In Stock

Mfr. Part No.
AT89LP51RB2-20JU

Mouser Part No
556-AT89LP51RB2-20JU

Microchip Technology

8-bit Microcontrollers - MCU Single-Cycle 805124K ISP Flash,2.4-5.5V

Learn More

Datasheet

738In Stock

HK$33.13

HK$30.41

HK$27.54

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU Single-Cycle 805132K ISP Flash,2.4-5.5V

AT89LP51RC2-20JU
Microchip Technology
1: HK$36.83
530In Stock

Mfr. Part No.
AT89LP51RC2-20JU

Mouser Part No
556-AT89LP51RC2-20JU

Microchip Technology

8-bit Microcontrollers - MCU Single-Cycle 805132K ISP Flash,2.4-5.5V

Learn More

Datasheet

530In Stock

HK$36.83

HK$33.70

HK$30.50

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU

AT89LP52-20AU
Microchip Technology
1: HK$14.14
3,089In Stock

Mfr. Part No.
AT89LP52-20AU

Mouser Part No
556-AT89LP52-20AU

Microchip Technology

8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU

Learn More

Datasheet

3,089In Stock

HK$14.14

HK$12.82

HK$11.67

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 24 MHZ, TQFP44, IND TEMP, GREEN

AT89S52-24AUR
Microchip Technology
1: HK$19.89
3,025In Stock

Mfr. Part No.
AT89S52-24AUR

Mouser Part No
556-AT89S52-24AUR

Microchip Technology

8-bit Microcontrollers - MCU 24 MHZ, TQFP44, IND TEMP, GREEN

Datasheet

3,025In Stock

Cut Tape

HK$19.89

HK$19.15

HK$16.44

Reel

HK$16.44

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V

AT89S52-24JU
Microchip Technology
1: HK$31.15
1,777In Stock

Mfr. Part No.
AT89S52-24JU

Mouser Part No
556-AT89S52-24JU

Microchip Technology

8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V

Datasheet

1,777In Stock

HK$31.15

HK$28.52

HK$27.62

Min.: 1
Mult.: 1

Development Boards & Kits - Wireless CC2531 Eval Mod

CC2531EMK
Texas Instruments
1: HK$552.96
27In Stock

Mfr. Part No.
CC2531EMK

Mouser Part No
595-CC2531EMK

Texas Instruments

Development Boards & Kits - Wireless CC2531 Eval Mod

Learn More

Datasheet

27In Stock

HK$552.96

Min.: 1
Mult.: 1
Max.: 5

Development Boards & Kits - 8051 Development Kit for C8051F120, F121, F122, F123, F130, F131, F132 & F133 MCUs

C8051F120DK
Silicon Labs
1: HK$1,131.15
12In Stock
31Expected 12/10/2026

Mfr. Part No.
C8051F120DK

Mouser Part No
634-C8051F120DK

Silicon Labs

Development Boards & Kits - 8051 Development Kit for C8051F120, F121, F122, F123, F130, F131, F132 & F133 MCUs

Datasheet

12In Stock

31Expected 12/10/2026

HK$1,131.15

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU

C8051F381-GM
Silicon Labs
1: HK$57.79
900In Stock

Mfr. Part No.
C8051F381-GM

Mouser Part No
634-C8051F381-GM

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU

Learn More

Datasheet

900In Stock

HK$57.79

HK$48.00

HK$41.26

HK$39.37

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU

C8051F390-A-GM
Silicon Labs
1: HK$33.95
1,592In Stock

Mfr. Part No.
C8051F390-A-GM

Mouser Part No
634-C8051F390-A-GM

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU

Learn More

Datasheet

1,592In Stock

HK$33.95

HK$28.03

HK$23.76

HK$22.69

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB LFO 8-bit MCU

C8051F392-A-GM
Silicon Labs
1: HK$32.47
1,755In Stock
1,911Expected 2/11/2026

Mfr. Part No.
C8051F392-A-GM

Mouser Part No
634-C8051F392-A-GM

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB LFO 8-bit MCU

Learn More

Datasheet

1,755In Stock

1,911Expected 2/11/2026

HK$32.47

HK$27.13

HK$22.77

HK$21.70

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU

C8051F502-IM
Silicon Labs
1: HK$97.90
548In Stock

Mfr. Part No.
C8051F502-IM

Mouser Part No
634-C8051F502-IM

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU

Datasheet

548In Stock

HK$97.90

HK$81.13

HK$70.28

HK$67.49

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 50 MIPS, 64 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFN32

C8051F502-IMR
Silicon Labs
1: HK$112.45
301In Stock

Mfr. Part No.
C8051F502-IMR

Mouser Part No
634-C8051F502-IMR

Silicon Labs

8-bit Microcontrollers - MCU 50 MIPS, 64 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFN32

Datasheet

301In Stock

Cut Tape

HK$112.45

HK$85.41

HK$81.87

HK$72.17

View

Reel

HK$58.36

Min.: 1
Mult.: 1

: 1,500

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