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8051 Core Semiconductors

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Core = 8051

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Part #

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

AT89C51CC03UA-RDTUM
Microchip Technology
1: $16.44
738In Stock

Mfr. Part #
AT89C51CC03UA-RDTUM

Mouser Part #
556-A89C51C03UARDTUM

Microchip Technology

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

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Datasheet

738In Stock

$16.44

$15.07

$13.63

Min.: 1
Mult.: 1

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

AT89C51ED2-SLSUM
Microchip Technology
1: $15.83
675In Stock

Mfr. Part #
AT89C51ED2-SLSUM

Mouser Part #
556-A89C51ED2SLSUM

Microchip Technology

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

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Datasheet

675In Stock

$15.83

$14.51

$13.14

Min.: 1
Mult.: 1

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

AT89C51ED2-SMSUM
Microchip Technology
1: $16.82
1,069In Stock

Mfr. Part #
AT89C51ED2-SMSUM

Mouser Part #
556-A89C51ED2SMSUM

Microchip Technology

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

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Datasheet

1,069In Stock

$16.82

$15.41

$13.97

Min.: 1
Mult.: 1

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

AT89C51RB2-SLSUM
Microchip Technology
1: $11.53
1,944In Stock

Mfr. Part #
AT89C51RB2-SLSUM

Mouser Part #
556-A89C51RB2SLSUM

Microchip Technology

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

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Datasheet

1,944In Stock

$11.53

$10.58

$9.59

Min.: 1
Mult.: 1

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

AT89C51RC-24PU
Microchip Technology
1: $7.94
795In Stock

Mfr. Part #
AT89C51RC-24PU

Mouser Part #
556-A89C51RC-24PU

Microchip Technology

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

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Datasheet

795In Stock

$7.94

$7.29

$7.17

Min.: 1
Mult.: 1

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

AT89C51RC2-3CSUM
Microchip Technology
1: $14.46
512In Stock

Mfr. Part #
AT89C51RC2-3CSUM

Mouser Part #
556-A89C51RC2-3CSUM

Microchip Technology

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

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Datasheet

512In Stock

$14.46

$13.28

$12.02

Min.: 1
Mult.: 1

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

AT89C51RD2-SLSUM
Microchip Technology
1: $13.83
1,723In Stock

Mfr. Part #
AT89C51RD2-SLSUM

Mouser Part #
556-A89C51RD2SLSUM

Microchip Technology

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

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Datasheet

1,723In Stock

$13.83

$12.69

$11.50

Min.: 1
Mult.: 1

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

AT89LP4052-20SU
Microchip Technology
1: $3.78
707In Stock
1,665Expected 2026-03-27

Mfr. Part #
AT89LP4052-20SU

Mouser Part #
556-A89LP4052-20SU

Microchip Technology

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

Datasheet

707In Stock

1,665Expected 2026-03-27

$3.78

$3.45

$3.12

Min.: 1
Mult.: 1

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

AT89S51-24JU
Microchip Technology
1: $7.32
414In Stock

Mfr. Part #
AT89S51-24JU

Mouser Part #
556-A89S51-24JU

Microchip Technology

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

Datasheet

414In Stock

$7.32

$6.69

$6.59

Min.: 1
Mult.: 1

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

AT89S51-24PU
Microchip Technology
1: $5.10
1,706In Stock

Mfr. Part #
AT89S51-24PU

Mouser Part #
556-A89S51-24PU

Microchip Technology

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

Datasheet

1,706In Stock

$5.10

$4.68

$4.24

Min.: 1
Mult.: 1

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

AT89S52-24AU
Microchip Technology
1: $3.30
4,202In Stock

Mfr. Part #
AT89S52-24AU

Mouser Part #
556-A89S52-24AU

Microchip Technology

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

Datasheet

4,202In Stock

$3.30

$3.28

$3.15

$2.90

View

Min.: 1
Mult.: 1

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

AT89S52-24PU
Microchip Technology
1: $5.65
2,256In Stock
2,955Expected 2026-04-23

Mfr. Part #
AT89S52-24PU

Mouser Part #
556-A89S52-24PU

Microchip Technology

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

Datasheet

2,256In Stock

2,955Expected 2026-04-23

$5.65

$5.19

$4.71

Min.: 1
Mult.: 1

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

AT89S8253-24AU
Microchip Technology
1: $4.14
2,373In Stock

Mfr. Part #
AT89S8253-24AU

Mouser Part #
556-A89S8253-24AU

Microchip Technology

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

Datasheet

2,373In Stock

$4.14

$3.82

$3.44

Min.: 1
Mult.: 1

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

AT89S8253-24JU
Microchip Technology
1: $7.23
952In Stock

Mfr. Part #
AT89S8253-24JU

Mouser Part #
556-A89S8253-24JU

Microchip Technology

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

Datasheet

952In Stock

$7.23

$6.62

$6.54

Min.: 1
Mult.: 1

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

AT80C51RD2-3CSUM
Microchip Technology
1: $7.75
407In Stock

Mfr. Part #
AT80C51RD2-3CSUM

Mouser Part #
556-AT80C51RD2-3CSUM

Microchip Technology

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

Datasheet

407In Stock

$7.75

$7.11

$6.95

Min.: 1
Mult.: 1

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

AT89LP51ID2-20AU
Microchip Technology
1: $9.26
180In Stock

Mfr. Part #
AT89LP51ID2-20AU

Mouser Part #
556-AT89LP51ID2-20AU

Microchip Technology

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

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Datasheet

180In Stock

$9.26

$8.47

$7.68

Min.: 1
Mult.: 1

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

AT89LP51RC2-20AU
Microchip Technology
1: $6.54
973In Stock

Mfr. Part #
AT89LP51RC2-20AU

Mouser Part #
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

$6.54

$6.00

$5.42

Min.: 1
Mult.: 1

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

AT89LP51RD2-20AU
Microchip Technology
1: $7.84
320In Stock

Mfr. Part #
AT89LP51RD2-20AU

Mouser Part #
556-AT89LP51RD2-20AU

Microchip Technology

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

Learn More

Datasheet

320In Stock

$7.84

$7.20

$6.52

Min.: 1
Mult.: 1

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

AT89LP51RD2-20JU
Microchip Technology
1: $9.13
543In Stock

Mfr. Part #
AT89LP51RD2-20JU

Mouser Part #
556-AT89LP51RD2-20JU

Microchip Technology

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

Learn More

Datasheet

543In Stock

$9.13

$8.38

$8.24

Min.: 1
Mult.: 1

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

AT89LP6440-20AU
Microchip Technology
1: $17.96
573In Stock

Mfr. Part #
AT89LP6440-20AU

Mouser Part #
556-AT89LP6440-20AU

Microchip Technology

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

Datasheet

573In Stock

$17.96

$16.46

$14.92

Min.: 1
Mult.: 1

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

AT89S52-24AUR
Microchip Technology
1: $3.71
4,360In Stock

Mfr. Part #
AT89S52-24AUR

Mouser Part #
556-AT89S52-24AUR

Microchip Technology

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

Datasheet

4,360In Stock

Cut Tape

$3.71

$3.36

$3.07

Reel

$3.07

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: $5.82
1,469In Stock

Mfr. Part #
AT89S52-24JU

Mouser Part #
556-AT89S52-24JU

Microchip Technology

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

Datasheet

1,469In Stock

$5.82

$5.33

$5.28

Min.: 1
Mult.: 1

RF System on a Chip - SoC Bluetooth 5.0 Audio SoC

IS2083BM-232
Microchip Technology
1: $11.37
2,969In Stock

Mfr. Part #
IS2083BM-232

Mouser Part #
579-IS2083BM-232

Microchip Technology

RF System on a Chip - SoC Bluetooth 5.0 Audio SoC

Datasheet

2,969In Stock

Cut Tape

$11.37

$10.41

$10.24

Reel

$10.24

Min.: 1
Mult.: 1

Reel: 3,000

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

CC-DEBUGGER
Texas Instruments
1: $94.10
84In Stock

Mfr. Part #
CC-DEBUGGER

Mouser Part #
595-CC-DEBUGGER

Texas Instruments

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

Learn More

Datasheet

84In Stock

$94.10

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: $10.71
600In Stock

Mfr. Part #
CC1110F32RHHR

Mouser Part #
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

$10.71

$9.29

$8.78

$8.09

View

Reel

$6.80

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

8051 Core Semiconductors

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