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8051 Core Semiconductors

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Core = 8051

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Part #

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

AT89C51RC-24PU
Microchip Technology
1: £3.88
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

£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

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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
1,723In 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

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Datasheet

1,723In Stock

£6.77

£6.21

£5.62

Min.: 1
Mult.: 1

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

AT89LP4052-20SU
Microchip Technology
1: £1.85
712In Stock
1,665Expected 27/03/2026

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

712In Stock

1,665Expected 27/03/2026

£1.85

£1.69

£1.53

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V

AT89S51-24JU
Microchip Technology
1: £3.58
414In Stock

Mfr. Part No.
AT89S51-24JU

Mouser Part No
556-A89S51-24JU

Microchip Technology

8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V

Datasheet

414In Stock

£3.58

£3.27

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V

AT89S51-24PU
Microchip Technology
1: £2.50
1,706In Stock

Mfr. Part No.
AT89S51-24PU

Mouser Part No
556-A89S51-24PU

Microchip Technology

8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V

Datasheet

1,706In Stock

£2.50

£2.29

£2.07

Min.: 1
Mult.: 1

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

AT89S52-24AU
Microchip Technology
1: £1.62
4,203In Stock

Mfr. Part No.
AT89S52-24AU

Mouser Part No
556-A89S52-24AU

Microchip Technology

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

Datasheet

4,203In Stock

£1.62

£1.61

£1.54

£1.42

£1.41

Min.: 1
Mult.: 1

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

AT89S52-24PU
Microchip Technology
1: £2.76
2,256In Stock
2,955Expected 23/04/2026

Mfr. Part No.
AT89S52-24PU

Mouser Part No
556-A89S52-24PU

Microchip Technology

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

Datasheet

2,256In Stock

2,955Expected 23/04/2026

£2.76

£2.54

£2.30

Min.: 1
Mult.: 1

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

AT89S8253-24AU
Microchip Technology
1: £2.03
2,398In Stock

Mfr. Part No.
AT89S8253-24AU

Mouser Part No
556-A89S8253-24AU

Microchip Technology

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

Datasheet

2,398In Stock

£2.03

£1.87

£1.68

Min.: 1
Mult.: 1

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

AT89S8253-24JU
Microchip Technology
1: £3.54
952In Stock

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

952In Stock

£3.54

£3.25

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU MCU 8-BIT AT80 CISC ROMless 3-5V

AT80C51RD2-3CSUM
Microchip Technology
1: £3.79
407In Stock

Mfr. Part No.
AT80C51RD2-3CSUM

Mouser Part No
556-AT80C51RD2-3CSUM

Microchip Technology

8-bit Microcontrollers - MCU MCU 8-BIT AT80 CISC ROMless 3-5V

Datasheet

407In Stock

£3.79

£3.47

£3.45

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V

AT89LP51ID2-20AU
Microchip Technology
1: £4.53
480In Stock

Mfr. Part No.
AT89LP51ID2-20AU

Mouser Part No
556-AT89LP51ID2-20AU

Microchip Technology

8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V

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Datasheet

480In Stock

£4.53

£4.15

£3.75

Min.: 1
Mult.: 1

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

AT89LP51RC2-20AU
Microchip Technology
1: £3.20
973In Stock

Mfr. Part No.
AT89LP51RC2-20AU

Mouser Part No
556-AT89LP51RC2-20AU

Microchip Technology

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

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Datasheet

973In Stock

£3.20

£2.93

£2.65

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V

AT89LP51RD2-20AU
Microchip Technology
1: £3.83
320In Stock

Mfr. Part No.
AT89LP51RD2-20AU

Mouser Part No
556-AT89LP51RD2-20AU

Microchip Technology

8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V

Learn More

Datasheet

320In Stock

£3.83

£3.52

£3.20

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V

AT89LP51RD2-20JU
Microchip Technology
1: £4.47
543In Stock

Mfr. Part No.
AT89LP51RD2-20JU

Mouser Part No
556-AT89LP51RD2-20JU

Microchip Technology

8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V

Learn More

Datasheet

543In Stock

£4.47

£4.10

£4.09

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU Single-Cycle 8051 64K ISP Flash

AT89LP6440-20AU
Microchip Technology
1: £8.78
573In Stock

Mfr. Part No.
AT89LP6440-20AU

Mouser Part No
556-AT89LP6440-20AU

Microchip Technology

8-bit Microcontrollers - MCU Single-Cycle 8051 64K ISP Flash

Datasheet

573In Stock

£8.78

£8.05

£7.30

Min.: 1
Mult.: 1

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

AT89S52-24AUR
Microchip Technology
1: £1.82
4,360In 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

4,360In Stock

Cut Tape

£1.82

£1.64

£1.50

Reel

£1.50

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

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

AT89S52-24JU
Microchip Technology
1: £2.85
1,469In 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

1,469In Stock

£2.85

£2.62

Min.: 1
Mult.: 1

RF System on a Chip - SoC Bluetooth 5.0 Audio SoC

IS2083BM-232
Microchip Technology
1: £5.56
2,969In Stock

Mfr. Part No.
IS2083BM-232

Mouser Part No
579-IS2083BM-232

Microchip Technology

RF System on a Chip - SoC Bluetooth 5.0 Audio SoC

Datasheet

2,969In Stock

Cut Tape

£5.56

£5.09

£5.08

Reel

£5.08

Min.: 1
Mult.: 1

Reel: 3,000

RF System on a Chip - SoC Sub-1GHz SoC w/ MCU & 16kB Flash memory A 595-CC1110F32RHHT

CC1110F32RHHR
Texas Instruments
1: £5.24
600In Stock

Mfr. Part No.
CC1110F32RHHR

Mouser Part No
595-CC1110F32RHHR

Texas Instruments

RF System on a Chip - SoC Sub-1GHz SoC w/ MCU & 16kB Flash memory A 595-CC1110F32RHHT

Learn More

Datasheet

600In Stock

Cut Tape

£5.24

£4.54

£4.30

£3.95

View

Reel

£3.33

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC Sub-1GHz SoC w/ MCU & 16kB Flash memory A 595-CC1110F32RHHR

CC1110F32RHHT
Texas Instruments
1: £6.06
1,427In Stock

Mfr. Part No.
CC1110F32RHHT

Mouser Part No
595-CC1110F32RHHT

Texas Instruments

RF System on a Chip - SoC Sub-1GHz SoC w/ MCU & 16kB Flash memory A 595-CC1110F32RHHR

Learn More

Datasheet

1,427In Stock

Cut Tape

£6.06

£5.26

£4.98

£4.59

Reel

£4.37

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

Development Boards & Kits - Wireless CC2531 Eval Mod

CC2531EMK
Texas Instruments
1: £47.82
54In Stock

Mfr. Part No.
CC2531EMK

Mouser Part No
595-CC2531EMK

Texas Instruments

Development Boards & Kits - Wireless CC2531 Eval Mod

Learn More

Datasheet

54In Stock

£47.82

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

RF System on a Chip - SoC RF Bluetooth SMART S OC BLE A 595-CC2541 A 595-CC2541F256RHAT

CC2541F256RHAR
Texas Instruments
1: £3.08
2,286In Stock

Mfr. Part No.
CC2541F256RHAR

Mouser Part No
595-CC2541F256RHAR

Texas Instruments

RF System on a Chip - SoC RF Bluetooth SMART S OC BLE A 595-CC2541 A 595-CC2541F256RHAT

Learn More

Datasheet

2,286In Stock

Cut Tape

£3.08

£2.33

£2.14

£1.93

View

Reel

£1.68

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC 2.4GHz RF Value Line SoC A 595-CC2543RHB A 595-CC2543RHBT

CC2543RHBR
Texas Instruments
1: £2.90
1,513In Stock

Mfr. Part No.
CC2543RHBR

Mouser Part No
595-CC2543RHBR

Texas Instruments

RF System on a Chip - SoC 2.4GHz RF Value Line SoC A 595-CC2543RHB A 595-CC2543RHBT

Datasheet

1,513In Stock

Cut Tape

£2.90

£2.51

£2.37

£2.18

Reel

£1.72

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU

C8051F310-GQR
Silicon Labs
1: £8.71
413In Stock

Mfr. Part No.
C8051F310-GQR

Mouser Part No
634-C8051F310-GQR

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU

Datasheet

413In Stock

Cut Tape

£8.71

£7.23

£6.74

£6.15

Reel

£5.66

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

8051 Core Semiconductors

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