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8051 Core Integrated Circuits - ICs

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Core = 8051

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Part #

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

DS87C520-MNL+
Analog Devices / Maxim Integrated
1: £62.77
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

£62.77

£52.18

£49.66

£46.63

Quote

Min.: 1
Mult.: 1

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

DS87C520-QCL+
Analog Devices / Maxim Integrated
1: £50.68
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

£50.68

£41.79

£39.74

£37.13

£35.96

Min.: 1
Mult.: 1

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

DS87C520-QNL+
Analog Devices / Maxim Integrated
1: £58.90
1,206In 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

1,206In Stock

£58.90

£48.95

£46.59

£43.75

Quote

Min.: 1
Mult.: 1

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

C8051F342-GQ
Silicon Labs
1: £15.37
877In Stock
End of Life

Mfr. Part No.
C8051F342-GQ

Mouser Part No
634-C8051F342-GQ

End of Life

Silicon Labs

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

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Datasheet

877In Stock

£15.37

£12.79

£11.99

£11.02

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU USB-Flash-64k-ADC-LQFP32

C8051F381-GQR
Silicon Labs
1: £4.85
1,255In Stock
End of Life

Mfr. Part No.
C8051F381-GQR

Mouser Part No
634-C8051F381-GQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU USB-Flash-64k-ADC-LQFP32

Datasheet

1,255In Stock

Cut Tape

£4.85

£4.03

£3.75

£3.40

Reel

£3.08

View

Min.: 1
Mult.: 1

Reel: 500

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

C8051F503-IQ
Silicon Labs
1: £7.80
1,559In Stock
End of Life

Mfr. Part No.
C8051F503-IQ

Mouser Part No
634-C8051F503-IQ

End of Life

Silicon Labs

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

Datasheet

1,559In Stock

£7.80

£6.46

£6.02

£5.48

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU

C8051F506-IQ
Silicon Labs
1: £7.72
1,717In Stock
End of Life

Mfr. Part No.
C8051F506-IQ

Mouser Part No
634-C8051F506-IQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU

Datasheet

1,717In Stock

£7.72

£6.41

£5.97

£5.44

View

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: £12.36
878In 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

878In Stock

Cut Tape

£12.36

£10.76

£10.21

£9.45

View

Reel

£7.99

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

8-bit Microcontrollers - MCU 2kB Flash 128B RAM 24MHz 2.7V-6.0V

AT89C2051-24PU
Microchip Technology
1: £1.56
1,712In Stock

Mfr. Part No.
AT89C2051-24PU

Mouser Part No
556-A89C2051-24PU

Microchip Technology

8-bit Microcontrollers - MCU 2kB Flash 128B RAM 24MHz 2.7V-6.0V

Datasheet

1,712In Stock

£1.56

£1.43

£1.29

Min.: 1
Mult.: 1

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

AT89C2051-24SU
Microchip Technology
1: £1.08
1,955In 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

1,955In Stock

£1.08

£0.995

£0.899

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V

AT89C4051-24PU
Microchip Technology
1: £1.59
1,304In Stock

Mfr. Part No.
AT89C4051-24PU

Mouser Part No
556-A89C4051-24PU

Microchip Technology

8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V

Datasheet

1,304In Stock

£1.59

£1.46

£1.32

Min.: 1
Mult.: 1

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

AT89C51AC2-SLSUM
Microchip Technology
1: £7.74
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

£7.74

£7.10

£6.43

Min.: 1
Mult.: 1

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

AT89C51CC01UA-SLSUM
Microchip Technology
1: £7.18
1,059In 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

1,059In Stock

£7.18

£6.57

£5.96

Min.: 1
Mult.: 1

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

AT89C51CC03UA-RDTUM
Microchip Technology
1: £8.04
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

£8.04

£7.38

£6.67

Min.: 1
Mult.: 1

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

AT89C51ED2-SLSUM
Microchip Technology
1: £7.74
667In 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

667In Stock

£7.74

£7.10

£6.43

Min.: 1
Mult.: 1

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

AT89C51ED2-SMSUM
Microchip Technology
1: £8.23
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

£8.23

£7.53

£6.84

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 64K FLASH 32KHz 3.5-5V Ind.

AT89C51ID2-SLSUM
Microchip Technology
1: £9.52
516In Stock

Mfr. Part No.
AT89C51ID2-SLSUM

Mouser Part No
556-A89C51ID2SLSUM

Microchip Technology

8-bit Microcontrollers - MCU 64K FLASH 32KHz 3.5-5V Ind.

Learn More

Datasheet

516In Stock

£9.52

£8.71

£7.90

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind

AT89C51RB2-3CSUM
Microchip Technology
1: £5.63
217In Stock
240Expected 19/03/2026

Mfr. Part No.
AT89C51RB2-3CSUM

Mouser Part No
556-A89C51RB2-3CSUM

Microchip Technology

8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind

Learn More

Datasheet

217In Stock

240Expected 19/03/2026

£5.63

£5.17

£4.68

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU C51RB2 FLASH 3V 16k Ind

AT89C51RB2-SLSUL
Microchip Technology
1: £6.12
316In Stock

Mfr. Part No.
AT89C51RB2-SLSUL

Mouser Part No
556-A89C51RB2SLSUL

Microchip Technology

8-bit Microcontrollers - MCU C51RB2 FLASH 3V 16k Ind

Learn More

Datasheet

316In Stock

£6.12

£5.62

£5.07

Min.: 1
Mult.: 1

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

AT89C51RB2-SLSUM
Microchip Technology
1: £5.64
1,939In Stock

Mfr. Part No.
AT89C51RB2-SLSUM

Mouser Part No
556-A89C51RB2SLSUM

Microchip Technology

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

Learn More

Datasheet

1,939In Stock

£5.64

£5.18

£4.70

Min.: 1
Mult.: 1

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

AT89C51RC-24PU
Microchip Technology
1: £3.88
795In 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

Learn More

Datasheet

795In Stock

£3.88

£3.57

£3.56

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 32kB Flash 1280B RAM 2.7V-5.5V

AT89C51RC2-3CSUM
Microchip Technology
1: £7.07
512In Stock

Mfr. Part No.
AT89C51RC2-3CSUM

Mouser Part No
556-A89C51RC2-3CSUM

Microchip Technology

8-bit Microcontrollers - MCU 32kB Flash 1280B RAM 2.7V-5.5V

Learn More

Datasheet

512In Stock

£7.07

£6.50

£5.88

Min.: 1
Mult.: 1

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

AT89C51RD2-SLSUM
Microchip Technology
1: £6.77
1,673In Stock

Mfr. Part No.
AT89C51RD2-SLSUM

Mouser Part No
556-A89C51RD2SLSUM

Microchip Technology

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

Learn More

Datasheet

1,673In Stock

£6.77

£6.21

£5.62

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU SINGLE CYCLE 4K FLASH-20MHZ 2.4-5.5V

AT89LP4052-20PU
Microchip Technology
1: £2.02
617In Stock

Mfr. Part No.
AT89LP4052-20PU

Mouser Part No
556-A89LP4052-20PU

Microchip Technology

8-bit Microcontrollers - MCU SINGLE CYCLE 4K FLASH-20MHZ 2.4-5.5V

Datasheet

617In Stock

£2.02

£1.85

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU SINGLE CYCLE 4K FLASH-20MHZ 2.4-5.5V

AT89LP4052-20SU
Microchip Technology
1: £1.85
707In Stock
1,665Expected 10/03/2026

Mfr. Part No.
AT89LP4052-20SU

Mouser Part No
556-A89LP4052-20SU

Microchip Technology

8-bit Microcontrollers - MCU SINGLE CYCLE 4K FLASH-20MHZ 2.4-5.5V

Datasheet

707In Stock

1,665Expected 10/03/2026

£1.85

£1.69

£1.53

Min.: 1
Mult.: 1

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