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8051 Core Semiconductors

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Core = 8051

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Part #

8-bit Microcontrollers - MCU 8051 8bit 67MHz 64KB

CY8C3866AXI-040T
Infineon Technologies
1: $24.91
851In Stock

Mfr. Part No.
CY8C3866AXI-040T

Mouser Part No
727-CY8C3866AXI-040T

Infineon Technologies

8-bit Microcontrollers - MCU 8051 8bit 67MHz 64KB

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Datasheet

851In Stock

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$24.91

$20.04

$18.82

$17.47

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Reel

$15.96

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU

C8051F043-GQ
Silicon Labs
1: $23.09
1,062In Stock
NRND

Mfr. Part No.
C8051F043-GQ

Mouser Part No
634-C8051F043-GQ

NRND

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU

Datasheet

1,062In Stock

$23.09

$19.21

$18.03

$16.25

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Mult.: 1

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU

C8051F045-GQ
Silicon Labs
1: $18.85
778In Stock
NRND

Mfr. Part No.
C8051F045-GQ

Mouser Part No
634-C8051F045-GQ

NRND

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU

Datasheet

778In Stock

$18.85

$15.68

$14.68

$13.17

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Mult.: 1

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU

C8051F060-GQ
Silicon Labs
1: $36.82
751In Stock
NRND

Mfr. Part No.
C8051F060-GQ

Mouser Part No
634-C8051F060-GQ

NRND

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU

Datasheet

751In Stock

$36.82

$30.83

$27.13

$26.33

$25.96

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 50MIPS,128KB,12ADC,100Pin MCU

C8051F124-GQ
Silicon Labs
1: $40.04
1,280In Stock
NRND

Mfr. Part No.
C8051F124-GQ

Mouser Part No
634-C8051F124-GQ

NRND

Silicon Labs

8-bit Microcontrollers - MCU 50MIPS,128KB,12ADC,100Pin MCU

Datasheet

1,280In Stock

$40.04

$33.59

$29.61

$28.76

$28.47

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 8-bit MCU

C8051F125-GQ
Silicon Labs
1: $38.69
494In Stock
800Expected 2026/04/17
NRND

Mfr. Part No.
C8051F125-GQ

Mouser Part No
634-C8051F125-GQ

NRND

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 8-bit MCU

Datasheet

494In Stock

800Expected 2026/04/17

$38.69

$32.44

$30.59

$27.87

$27.42

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 8051 100 MHz 128 kB MAC 8-bit MCU

C8051F131-GQ
Silicon Labs
1: $32.08
438In Stock
NRND

Mfr. Part No.
C8051F131-GQ

Mouser Part No
634-C8051F131-GQ

NRND

Silicon Labs

8-bit Microcontrollers - MCU 8051 100 MHz 128 kB MAC 8-bit MCU

Datasheet

438In Stock

$32.08

$26.82

$25.24

$22.90

$22.33

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 64KB,10ADC,100Pin MCU

C8051F022-GQ
Silicon Labs
1: $30.47
526In Stock

Mfr. Part No.
C8051F022-GQ

Mouser Part No
634-C8051F022-GQ

Silicon Labs

8-bit Microcontrollers - MCU 64KB,10ADC,100Pin MCU

Datasheet

526In Stock

$30.47

$25.46

$22.28

$21.60

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Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU

C8051F580-IQ
Silicon Labs
1: $14.57
3,821In Stock

Mfr. Part No.
C8051F580-IQ

Mouser Part No
634-C8051F580-IQ

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU

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Datasheet

3,821In Stock

$14.57

$12.10

$11.29

$10.34

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8-bit Microcontrollers - MCU 50 MIPS, 128 kB, 8 kB, CAN2.0, LIN 2.1, SPI, 2xUART, I2C, QFP48

C8051F580-IQR
Silicon Labs
1: $14.57
5,327In Stock

Mfr. Part No.
C8051F580-IQR

Mouser Part No
634-C8051F580-IQR

Silicon Labs

8-bit Microcontrollers - MCU 50 MIPS, 128 kB, 8 kB, CAN2.0, LIN 2.1, SPI, 2xUART, I2C, QFP48

Datasheet

5,327In Stock

Cut Tape

$14.57

$12.10

$11.29

$10.34

Reel

$9.54

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Mult.: 1

Reel: 500

8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers

DS87C520-MNL+
Analog Devices / Maxim Integrated
1: $83.62
304In Stock

Mfr. Part No.
DS87C520-MNL+

Mouser Part No
700-DS87C520-MNL

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers

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Datasheet

304In Stock

$83.62

$69.51

$66.16

$62.12

Quote

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers

DS87C520-QCL+
Analog Devices / Maxim Integrated
1: $67.51
299In Stock

Mfr. Part No.
DS87C520-QCL+

Mouser Part No
700-DS87C520-QCL

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers

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Datasheet

299In Stock

$67.51

$55.67

$52.94

$49.46

$47.90

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers

DS87C520-QNL+
Analog Devices / Maxim Integrated
1: $78.47
1,216In Stock

Mfr. Part No.
DS87C520-QNL+

Mouser Part No
700-DS87C520-QNL

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers

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Datasheet

1,216In Stock

$78.47

$65.21

$62.07

$58.29

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Min.: 1
Mult.: 1

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

AT89C51IC2T-RLTUM
Microchip Technology
1: $8.37
180In 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

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Datasheet

180In Stock

$8.37

$7.68

$6.97

Min.: 1
Mult.: 1

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

AT89C51RB2T-RLRUL
Microchip Technology
1: $7.77
2,000In Stock

Mfr. Part No.
AT89C51RB2T-RLRUL

Mouser Part No
556-AT89C51RB2TLRUL

Microchip Technology

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

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Datasheet

2,000In Stock

Cut Tape

$7.77

$7.13

$6.45

Reel

$6.45

Min.: 1
Mult.: 1

Reel: 2,000

Development Boards & Kits - 8051 EFM8BB50 Explorer Kit

BB50-EK2702A
Silicon Labs
1: $31.54
5In Stock

Mfr. Part No.
BB50-EK2702A

Mouser Part No
634-BB50-EK2702A

Silicon Labs

Development Boards & Kits - 8051 EFM8BB50 Explorer Kit

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Datasheet

5In Stock

$31.54

Min.: 1
Mult.: 1

RF System on a Chip - SoC Sys-on-Chip Solution Transient Response A 839-CC2430-F128-RV-B

CC2430ZF128RTCR
Texas Instruments
1: $16.47
903In Stock
NRND

Mfr. Part No.
CC2430ZF128RTCR

Mouser Part No
595-CC2430ZF128RTCR

NRND

Texas Instruments

RF System on a Chip - SoC Sys-on-Chip Solution Transient Response A 839-CC2430-F128-RV-B

Datasheet

903In Stock

Cut Tape

$16.47

$14.34

$13.61

$12.58

View

Reel

$10.64

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-24MHZ 4-5.5V

AT89C2051-24SU
Microchip Technology
1: $1.44
3,181In Stock

Mfr. Part No.
AT89C2051-24SU

Mouser Part No
556-A89C2051-24SU

Microchip Technology

8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-24MHZ 4-5.5V

Datasheet

3,181In Stock

$1.44

$1.33

$1.20

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU C51AC2 32K FLASHADC EEP 5V

AT89C51AC2-SLSUM
Microchip Technology
1: $10.32
177In Stock

Mfr. Part No.
AT89C51AC2-SLSUM

Mouser Part No
556-A89C51AC2SLSUM

Microchip Technology

8-bit Microcontrollers - MCU C51AC2 32K FLASHADC EEP 5V

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Datasheet

177In Stock

$10.32

$9.46

$8.56

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU CAN-STICK Bootloader UART IND

AT89C51CC01UA-SLSUM
Microchip Technology
1: $9.57
1,167In Stock

Mfr. Part No.
AT89C51CC01UA-SLSUM

Mouser Part No
556-A89C51C01UASLSUM

Microchip Technology

8-bit Microcontrollers - MCU CAN-STICK Bootloader UART IND

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Datasheet

1,167In Stock

$9.57

$8.76

$7.94

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU CAN C51 64K FLASH UAR BOOT

AT89C51CC03UA-RDTUM
Microchip Technology
1: $10.71
738In Stock

Mfr. Part No.
AT89C51CC03UA-RDTUM

Mouser Part No
556-A89C51C03UARDTUM

Microchip Technology

8-bit Microcontrollers - MCU CAN C51 64K FLASH UAR BOOT

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Datasheet

738In Stock

$10.71

$9.83

$8.89

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V

AT89C51ED2-SLSUM
Microchip Technology
1: $10.32
767In Stock

Mfr. Part No.
AT89C51ED2-SLSUM

Mouser Part No
556-A89C51ED2SLSUM

Microchip Technology

8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V

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Datasheet

767In Stock

$10.32

$9.46

$8.56

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU C51ED2 64K FLASH 3-5.5V Ind

AT89C51ED2-SMSUM
Microchip Technology
1: $10.97
1,069In Stock

Mfr. Part No.
AT89C51ED2-SMSUM

Mouser Part No
556-A89C51ED2SMSUM

Microchip Technology

8-bit Microcontrollers - MCU C51ED2 64K FLASH 3-5.5V Ind

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Datasheet

1,069In Stock

$10.97

$10.04

$9.11

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU C51RB2 16K FLASH 5V COM

AT89C51RB2-SLSUM
Microchip Technology
1: $7.51
1,944In Stock

Mfr. Part No.
AT89C51RB2-SLSUM

Mouser Part No
556-A89C51RB2SLSUM

Microchip Technology

8-bit Microcontrollers - MCU C51RB2 16K FLASH 5V COM

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Datasheet

1,944In Stock

$7.51

$6.90

$6.26

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V

AT89C51RC-24PU
Microchip Technology
1: $5.18
805In Stock

Mfr. Part No.
AT89C51RC-24PU

Mouser Part No
556-A89C51RC-24PU

Microchip Technology

8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V

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Datasheet

805In Stock

$5.18

$4.76

$4.75

Min.: 1
Mult.: 1

8051 Core Semiconductors

Types of Semiconductors

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