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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: $10.72
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

$10.72

$9.84

$8.91

Min.: 1
Mult.: 1

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

AT89C51ID2-SLSUM
Microchip Technology
1: $12.68
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

$12.68

$11.61

$10.53

Min.: 1
Mult.: 1

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

AT89C51RB2-SLSUL
Microchip Technology
1: $8.15
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

$8.15

$7.49

$6.76

Min.: 1
Mult.: 1

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

AT89LP4052-20PU
Microchip Technology
1: $2.69
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

$2.69

$2.47

Min.: 1
Mult.: 1

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

AT89S2051-24SU
Microchip Technology
1: $2.61
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

$2.61

$2.40

$2.17

Min.: 1
Mult.: 1

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

AT89S8253-24PU
Microchip Technology
1: $4.45
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

$4.45

$4.09

Min.: 1
Mult.: 1

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

AT80C51RD2-SLSUM
Microchip Technology
1: $4.11
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

$4.11

$3.78

$3.77

Min.: 1
Mult.: 1

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

AT89C55WD-24JU
Microchip Technology
1: $4.66
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

$4.66

$4.29

Min.: 1
Mult.: 1

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

AT89C55WD-24PU
Microchip Technology
1: $5.15
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

$5.15

$4.73

Min.: 1
Mult.: 1

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

AT89LP51RB2-20JU
Microchip Technology
1: $4.04
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

$4.04

$3.70

$3.36

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: $6.55
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

$6.55

$5.68

$5.37

$4.97

View

Reel

$4.13

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: $36.31
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

$36.31

$30.40

$28.66

$26.06

$25.59

Min.: 1
Mult.: 1

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

C8051F021-GQR
Silicon Labs
1: $36.31
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

$36.31

$30.40

$28.66

$26.61

$25.61

Reel

$25.59

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

C8051F022-GQ
Silicon Labs
1: $30.47
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

$30.47

$25.46

$22.28

$21.60

View

Min.: 1
Mult.: 1

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

C8051F023-GQR
Silicon Labs
1: $28.47
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

$28.47

$23.76

$22.34

$20.67

$19.84

Reel

$19.60

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: $6.45
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

$6.45

$5.36

$4.98

$4.50

View

Reel

$3.90

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: $12.33
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

$12.33

$10.22

$9.34

Min.: 1
Mult.: 1

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

C8051F350-GQ
Silicon Labs
1: $15.54
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

$15.54

$12.89

$12.05

$11.42

Min.: 1
Mult.: 1

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

C8051F381-GQ
Silicon Labs
1: $6.47
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

$6.47

$5.37

$4.99

$4.52

View

Min.: 1
Mult.: 1

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

C8051F381-GQR
Silicon Labs
1: $6.47
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

$6.47

$5.37

$4.99

$4.52

Reel

$4.11

View

Min.: 1
Mult.: 1

Reel: 500

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

C8051F412-GQ
Silicon Labs
1: $14.00
496In Stock
1,250Expected 2026/03/20
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 2026/03/20

$14.00

$11.33

$10.39

$9.42

$9.00

Min.: 1
Mult.: 1

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

C8051F412-GQR
Silicon Labs
1: $17.19
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

$17.19

$13.49

$12.93

$11.40

Reel

$10.11

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: $4.47
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

$4.47

$4.14

$3.68

$3.42

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: $7.45
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

$7.45

$6.18

$5.76

$5.48

Min.: 1
Mult.: 1

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

AT89C51IC2T-RLTUL
Microchip Technology
1: $8.58
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

$8.58

$7.86

$7.13

Min.: 1
Mult.: 1

8051 Core Semiconductors

Types of Semiconductors

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