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8051 Core Semiconductors

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Core = 8051

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Part #

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

AT89C51RC2-3CSUM
Microchip Technology
1: $9.42
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

$9.42

$8.65

$7.83

Min.: 1
Mult.: 1

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

AT89C51RD2-SLSUM
Microchip Technology
1: $9.01
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

$9.01

$8.27

$7.49

Min.: 1
Mult.: 1

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

AT89LP4052-20SU
Microchip Technology
1: $2.46
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

$2.46

$2.25

$2.03

Min.: 1
Mult.: 1

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

AT89S51-24JU
Microchip Technology
1: $4.77
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

$4.77

$4.36

$4.29

Min.: 1
Mult.: 1

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

AT89S51-24PU
Microchip Technology
1: $3.32
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

$3.32

$3.05

$2.76

Min.: 1
Mult.: 1

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

AT89S52-24AU
Microchip Technology
1: $2.15
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

$2.15

$2.14

$2.05

$1.89

View

Min.: 1
Mult.: 1

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

AT89S52-24PU
Microchip Technology
1: $3.68
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

$3.68

$3.38

$3.07

Min.: 1
Mult.: 1

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

AT89S8253-24AU
Microchip Technology
1: $2.70
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

$2.70

$2.49

$2.24

Min.: 1
Mult.: 1

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

AT89S8253-24JU
Microchip Technology
1: $4.71
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

$4.71

$4.31

$4.26

Min.: 1
Mult.: 1

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

AT80C51RD2-3CSUM
Microchip Technology
1: $5.05
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

$5.05

$4.63

$4.53

Min.: 1
Mult.: 1

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

AT89LP51ID2-20AU
Microchip Technology
1: $6.03
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

$6.03

$5.52

$5.00

Min.: 1
Mult.: 1

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

AT89LP51RC2-20AU
Microchip Technology
1: $4.26
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

$4.26

$3.91

$3.53

Min.: 1
Mult.: 1

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

AT89LP51RD2-20AU
Microchip Technology
1: $5.11
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

$5.11

$4.69

$4.25

Min.: 1
Mult.: 1

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

AT89LP51RD2-20JU
Microchip Technology
1: $5.95
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

$5.95

$5.46

$5.37

Min.: 1
Mult.: 1

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

AT89LP6440-20AU
Microchip Technology
1: $11.70
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

$11.70

$10.72

$9.72

Min.: 1
Mult.: 1

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

AT89S52-24AUR
Microchip Technology
1: $2.42
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

$2.42

$2.19

$2.00

Reel

$2.00

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: $3.79
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

$3.79

$3.47

$3.44

Min.: 1
Mult.: 1

RF System on a Chip - SoC Bluetooth 5.0 Audio SoC

IS2083BM-232
Microchip Technology
1: $7.41
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

$7.41

$6.78

$6.67

Reel

$6.67

Min.: 1
Mult.: 1

Reel: 3,000

Hardware Debuggers Debugger & Program f or RF Sys-on-Chips

CC-DEBUGGER
Texas Instruments
1: $61.30
84In Stock

Mfr. Part No.
CC-DEBUGGER

Mouser Part No
595-CC-DEBUGGER

Texas Instruments

Hardware Debuggers Debugger & Program f or RF Sys-on-Chips

Learn More

Datasheet

84In Stock

$61.30

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

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

CC1110F32RHHR
Texas Instruments
1: $6.98
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

$6.98

$6.05

$5.72

$5.27

View

Reel

$4.43

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: $8.07
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

$8.07

$7.01

$6.63

$6.12

Reel

$5.81

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

Development Boards & Kits - Wireless CC2531 Eval Mod

CC2531EMK
Texas Instruments
1: $58.80
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

$58.80

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: $4.10
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

$4.10

$3.10

$2.85

$2.57

View

Reel

$2.23

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: $3.86
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

$3.86

$3.34

$3.16

$2.91

View

Reel

$2.29

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: $11.61
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

$11.61

$9.63

$8.98

$8.19

Reel

$7.53

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

8051 Core Semiconductors

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