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8051 Core Semiconductors

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Core = 8051

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Part #

8-bit Microcontrollers - MCU C51AC3 64K FLASHADC EEP 5V

AT89C51AC3-SLSUM
Microchip Technology
1: $14.90
437In Stock

Mfr. Part No.
AT89C51AC3-SLSUM

Mouser Part No
556-A89C51AC3SLSUM

Microchip Technology

8-bit Microcontrollers - MCU C51AC3 64K FLASHADC EEP 5V

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Datasheet

437In Stock

$14.90

$13.68

$12.37

Min.: 1
Mult.: 1

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

AT89C51ID2-SLSUM
Microchip Technology
1: $17.61
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.

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Datasheet

516In Stock

$17.61

$16.14

$14.62

Min.: 1
Mult.: 1

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

AT89C51RB2-SLSUL
Microchip Technology
1: $11.33
316In Stock

Mfr. Part No.
AT89C51RB2-SLSUL

Mouser Part No
556-A89C51RB2SLSUL

Microchip Technology

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

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Datasheet

316In Stock

$11.33

$10.41

$9.38

Min.: 1
Mult.: 1

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

AT89LP4052-20PU
Microchip Technology
1: $3.74
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

$3.74

$3.42

$3.38

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 2K FLASH 24MHZ SOIC

AT89S2051-24SU
Microchip Technology
1: $3.63
676In Stock

Mfr. Part No.
AT89S2051-24SU

Mouser Part No
556-A89S2051-24SU

Microchip Technology

8-bit Microcontrollers - MCU 2K FLASH 24MHZ SOIC

Datasheet

676In Stock

$3.63

$3.32

$3.03

Min.: 1
Mult.: 1

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

AT89S8253-24PU
Microchip Technology
1: $6.19
991In Stock

Mfr. Part No.
AT89S8253-24PU

Mouser Part No
556-A89S8253-24PU

Microchip Technology

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

Datasheet

991In Stock

$6.19

$5.69

$5.60

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU MCU 8-Bit HI Perform ROMless 3-5V

AT80C51RD2-SLSUM
Microchip Technology
1: $5.70
1,184In Stock

Mfr. Part No.
AT80C51RD2-SLSUM

Mouser Part No
556-AT80C51RD2-SLSUM

Microchip Technology

8-bit Microcontrollers - MCU MCU 8-Bit HI Perform ROMless 3-5V

Datasheet

1,184In Stock

$5.70

$5.25

$5.14

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 24MHZ, PLCC, IND TEMP, GREEN, 5V

AT89C55WD-24JU
Microchip Technology
1: $6.48
615In Stock

Mfr. Part No.
AT89C55WD-24JU

Mouser Part No
556-AT89C55WD-24JU

Microchip Technology

8-bit Microcontrollers - MCU 24MHZ, PLCC, IND TEMP, GREEN, 5V

Datasheet

615In Stock

$6.48

$5.96

$5.88

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 20K FLASH - 24MHZ IND TEMP 5V

AT89C55WD-24PU
Microchip Technology
1: $7.16
959In Stock

Mfr. Part No.
AT89C55WD-24PU

Mouser Part No
556-AT89C55WD-24PU

Microchip Technology

8-bit Microcontrollers - MCU 20K FLASH - 24MHZ IND TEMP 5V

Datasheet

959In Stock

$7.16

$6.57

$6.32

Quote

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU Single-Cycle 805124K ISP Flash,2.4-5.5V

AT89LP51RB2-20JU
Microchip Technology
1: $5.60
776In Stock

Mfr. Part No.
AT89LP51RB2-20JU

Mouser Part No
556-AT89LP51RB2-20JU

Microchip Technology

8-bit Microcontrollers - MCU Single-Cycle 805124K ISP Flash,2.4-5.5V

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Datasheet

776In Stock

$5.60

$5.14

$4.66

Min.: 1
Mult.: 1

RF System on a Chip - SoC 2.4GHz Radio Trnscvr 8051 MCU A 595-CC25 A 595-CC2510F32RHHT

CC2510F32RHHR
Texas Instruments
1: $9.10
924In Stock

Mfr. Part No.
CC2510F32RHHR

Mouser Part No
595-CC2510F32RHHR

Texas Instruments

RF System on a Chip - SoC 2.4GHz Radio Trnscvr 8051 MCU A 595-CC25 A 595-CC2510F32RHHT

Datasheet

924In Stock

Cut Tape

$9.10

$7.90

$7.46

$6.89

View

Reel

$5.74

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

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

C8051F021-GQ
Silicon Labs
1: $50.46
304In Stock

Mfr. Part No.
C8051F021-GQ

Mouser Part No
634-C8051F021-GQ

Silicon Labs

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

Datasheet

304In Stock

$50.46

$42.26

$39.82

$36.22

View

Min.: 1
Mult.: 1

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

C8051F021-GQR
Silicon Labs
1: $50.46
93In Stock

Mfr. Part No.
C8051F021-GQR

Mouser Part No
634-C8051F021-GQR

Silicon Labs

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

Datasheet

93In Stock

Cut Tape

$50.46

$42.26

$39.82

$36.99

$35.60

Reel

$34.74

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

C8051F022-GQ
Silicon Labs
1: $42.34
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

$42.34

$35.38

$30.97

$30.01

View

Min.: 1
Mult.: 1

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

C8051F023-GQR
Silicon Labs
1: $39.57
251In Stock

Mfr. Part No.
C8051F023-GQR

Mouser Part No
634-C8051F023-GQR

Silicon Labs

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

Datasheet

251In Stock

Cut Tape

$39.57

$33.03

$31.05

$28.72

$27.58

Reel

$26.17

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

8-bit Microcontrollers - MCU 8kB/256B RAM, 8b ADC, 2% osc, QFN11 OTP available (T600-GM)

C8051F300-GMR
Silicon Labs
1: $8.97
1,127In Stock

Mfr. Part No.
C8051F300-GMR

Mouser Part No
634-C8051F300-GMR

Silicon Labs

8-bit Microcontrollers - MCU 8kB/256B RAM, 8b ADC, 2% osc, QFN11 OTP available (T600-GM)

Datasheet

1,127In Stock

Cut Tape

$8.97

$7.45

$6.92

$6.26

View

Reel

$5.41

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

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

C8051F580-IM
Silicon Labs
1: $17.12
768In Stock

Mfr. Part No.
C8051F580-IM

Mouser Part No
634-C8051F580-IM

Silicon Labs

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

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Datasheet

768In Stock

$17.12

$14.21

$12.80

$12.48

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 8KB,24ADC,32Pin MCU

C8051F350-GQ
Silicon Labs
1: $18.57
608In Stock
End of Life

Mfr. Part No.
C8051F350-GQ

Mouser Part No
634-C8051F350-GQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8KB,24ADC,32Pin MCU

Datasheet

608In Stock

$18.57

$15.42

$14.41

$13.66

Quote

Min.: 1
Mult.: 1

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

C8051F381-GQ
Silicon Labs
1: $8.99
1,078In Stock
End of Life

Mfr. Part No.
C8051F381-GQ

Mouser Part No
634-C8051F381-GQ

End of Life

Silicon Labs

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

Learn More

Datasheet

1,078In Stock

$8.99

$7.46

$6.94

$6.28

View

Min.: 1
Mult.: 1

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

C8051F381-GQR
Silicon Labs
1: $8.99
1,280In 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

1,280In Stock

Cut Tape

$8.99

$7.46

$6.94

$6.28

Reel

$5.70

View

Min.: 1
Mult.: 1

Reel: 500

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU

C8051F412-GQ
Silicon Labs
1: $19.46
496In Stock
1,250Expected 20/3/2026
End of Life

Mfr. Part No.
C8051F412-GQ

Mouser Part No
634-C8051F412-GQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU

Datasheet

496In Stock

1,250Expected 20/3/2026

$19.46

$15.73

$14.43

$13.09

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU

C8051F412-GQR
Silicon Labs
1: $23.89
294In Stock
End of Life

Mfr. Part No.
C8051F412-GQR

Mouser Part No
634-C8051F412-GQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU

Datasheet

294In Stock

Cut Tape

$23.89

$18.75

$17.97

$15.85

Reel

$14.04

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, DFN10

C8051F521A-IM
Silicon Labs
1: $6.21
2,359In Stock
End of Life

Mfr. Part No.
C8051F521A-IM

Mouser Part No
634-C8051F521A-IM

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, DFN10

Datasheet

2,359In Stock

$6.21

$6.20

$5.75

$5.12

View

Min.: 1
Mult.: 1

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

C8051F560-IQ
Silicon Labs
1: $10.36
511In Stock
End of Life

Mfr. Part No.
C8051F560-IQ

Mouser Part No
634-C8051F560-IQ

End of Life

Silicon Labs

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

Datasheet

511In Stock

$10.36

$8.59

$7.99

$7.27

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU C51IC2 32Kf I2C 32KHz TQFP44 I. 3V GREEN

AT89C51IC2T-RLTUL
Microchip Technology
1: $11.93
160In Stock

Mfr. Part No.
AT89C51IC2T-RLTUL

Mouser Part No
556-AT89C51IC2TLTUL

Microchip Technology

8-bit Microcontrollers - MCU C51IC2 32Kf I2C 32KHz TQFP44 I. 3V GREEN

Learn More

Datasheet

160In Stock

$11.93

$10.93

$9.91

Min.: 1
Mult.: 1

8051 Core Semiconductors

Types of Semiconductors

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