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8051 Core Embedded Processors & Controllers

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Types of Embedded Processors & Controllers

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Results: 542

Applied Filters:

Core = 8051

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Part #

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

AT89C51RC-24PU
Microchip Technology
1: NT$189.29
498In Stock

Mfr. Part #
AT89C51RC-24PU

Mouser Part #
556-A89C51RC-24PU

Microchip Technology

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

Learn More

Datasheet

498In Stock

NT$189.29

NT$185.34

NT$182.48

NT$181.04

View

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU C51RD2 64K FLASH 3-5.5V

AT89C51RD2-SLRUM
Microchip Technology
1: NT$330.54
428In Stock

Mfr. Part #
AT89C51RD2-SLRUM

Mouser Part #
556-A89C51RD2SLRUM

Microchip Technology

8-bit Microcontrollers - MCU C51RD2 64K FLASH 3-5.5V

Learn More

Datasheet

428In Stock

Cut Tape

NT$330.54

Reel

NT$330.54

Min.: 1
Mult.: 1

: 500

SMD/SMT

PLCC-44

8051

34 I/O

8 bit

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

AT89C51RD2-SLSUM
Microchip Technology
1: NT$323.01
820In Stock
2,079Expected 9/4/2026

Mfr. Part #
AT89C51RD2-SLSUM

Mouser Part #
556-A89C51RD2SLSUM

Microchip Technology

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

Learn More

Datasheet

820In Stock

2,079Expected 9/4/2026

NT$323.01

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

32 I/O

8 bit

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

AT89LP4052-20SU
Microchip Technology
1: NT$88.19
1,346In Stock

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

1,346In Stock

NT$88.19

NT$80.66

NT$72.78

Min.: 1
Mult.: 1

SMD/SMT

SOIC-20

8051

15 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 2.7V-4.0V

AT89LS52-16JU
Microchip Technology
1: NT$136.23
1,225In Stock

Mfr. Part #
AT89LS52-16JU

Mouser Part #
556-A89LS52-16JU

Microchip Technology

8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 2.7V-4.0V

Datasheet

1,225In Stock

NT$136.23

NT$124.76

NT$120.81

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

32 I/O

8 bit

No ADC

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

AT89S51-24PU
Microchip Technology
1: NT$119.02
1,692In 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

1,692In Stock

NT$119.02

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

32 I/O

8 bit

No ADC

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

AT89S8253-24AU
Microchip Technology
1: NT$96.80
1,633In 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

1,633In Stock

NT$96.80

NT$89.27

NT$80.30

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

32 I/O

8 bit

No ADC

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

AT89S8253-24JU
Microchip Technology
1: NT$168.85
344In Stock
2,781Expected 9/4/2026

Mfr. Part #
AT89S8253-24JU

Mouser Part #
556-A89S8253-24JU

Microchip Technology

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

Datasheet

344In Stock

2,781Expected 9/4/2026

NT$168.85

NT$154.51

NT$149.14

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

32 I/O

8 bit

No ADC

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

AT89S8253-24PU
Microchip Technology
1: NT$159.53
715In Stock

Mfr. Part #
AT89S8253-24PU

Mouser Part #
556-A89S8253-24PU

Microchip Technology

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

Datasheet

715In Stock

NT$159.53

NT$146.63

NT$140.89

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

32 I/O

8 bit

No ADC

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

AT80C51RD2-SLRUM
Microchip Technology
1: NT$152.72
660In Stock

Mfr. Part #
AT80C51RD2-SLRUM

Mouser Part #
556-AT80C51RD2-SLRUM

Microchip Technology

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

Datasheet

660In Stock

Cut Tape

NT$152.72

Reel

NT$152.72

MouseReel Available

Min.: 1
Mult.: 1

: 500

SMD/SMT

PLCC-44

8051

32 I/O

8 bit

No ADC

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

AT80C51RD2-SLSUM
Microchip Technology
1: NT$146.99
434In Stock

Mfr. Part #
AT80C51RD2-SLSUM

Mouser Part #
556-AT80C51RD2-SLSUM

Microchip Technology

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

Datasheet

434In Stock

NT$146.99

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU C51AC3 64kF ADC EEP TQFP44 ind 5V GREEN

AT89C51AC3T-RLTUM
Microchip Technology
1: NT$366.75
156In Stock
160On Order

Mfr. Part #
AT89C51AC3T-RLTUM

Mouser Part #
556-AT89C51AC3TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51AC3 64kF ADC EEP TQFP44 ind 5V GREEN

Learn More

Datasheet

156In Stock

160On Order

NT$366.75

NT$335.91

NT$305.08

NT$304.73

Min.: 1
Mult.: 1

SMD/SMT

TQFP-64

8051

36 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU CAN TQFP44 TRAY I. Bootloader UART GREEN

AT89C51CC01UAT-RLTUM
Microchip Technology
1: NT$325.16
1,272In Stock

Mfr. Part #
AT89C51CC01UAT-RLTUM

Mouser Part #
556-AT89C51CC01UATUM

Microchip Technology

8-bit Microcontrollers - MCU CAN TQFP44 TRAY I. Bootloader UART GREEN

Learn More

Datasheet

1,272In Stock

NT$325.16

NT$297.91

NT$269.95

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

34 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU C51ED2 64kF TQFP44 3-5.5V Ind GREEN

AT89C51ED2T-RLTUM
Microchip Technology
1: NT$351.69
726In Stock

Mfr. Part #
AT89C51ED2T-RLTUM

Mouser Part #
556-AT89C51ED2TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51ED2 64kF TQFP44 3-5.5V Ind GREEN

Learn More

Datasheet

726In Stock

NT$351.69

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

34 I/O

8 bit

8-bit Microcontrollers - MCU C51IC2 32Kf I2C 32KHz TQFP44 I. 5V GREEN

AT89C51IC2T-RLTUM
Microchip Technology
1: NT$300.06
191In Stock

Mfr. Part #
AT89C51IC2T-RLTUM

Mouser Part #
556-AT89C51IC2TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51IC2 32Kf I2C 32KHz TQFP44 I. 5V GREEN

Learn More

Datasheet

191In Stock

NT$300.06

NT$274.97

NT$249.52

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

34 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 ind 3V GREEN

AT89C51RB2T-RLRUL
Microchip Technology
1: NT$278.55
1,000In Stock

Mfr. Part #
AT89C51RB2T-RLRUL

Mouser Part #
556-AT89C51RB2TLRUL

Microchip Technology

8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 ind 3V GREEN

Learn More

Datasheet

1,000In Stock

Cut Tape

NT$278.55

NT$271.74

NT$265.29

NT$254.89

View

Reel

NT$253.10

Min.: 1
Mult.: 1

: 2,000

SMD/SMT

TQFP-44

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU C51RC2 FLASH 32k TQFP44 Com 5V GREEN

AT89C51RC2T-RLTUM
Microchip Technology
1: NT$293.61
859In Stock

Mfr. Part #
AT89C51RC2T-RLTUM

Mouser Part #
556-AT89C51RC2TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51RC2 FLASH 32k TQFP44 Com 5V GREEN

Learn More

Datasheet

859In Stock

NT$293.61

NT$268.88

NT$243.42

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU C51RD2 64kF TQFP44 3-5.5V Ind. GREEN

AT89C51RD2T-RLTUM
Microchip Technology
1: NT$314.76
427In Stock

Mfr. Part #
AT89C51RD2T-RLTUM

Mouser Part #
556-AT89C51RD2TLTUM

Microchip Technology

8-bit Microcontrollers - MCU C51RD2 64kF TQFP44 3-5.5V Ind. GREEN

Learn More

Datasheet

427In Stock

NT$314.76

NT$314.05

NT$313.69

NT$261.71

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

34 I/O

8 bit

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

AT89C55WD-24JU
Microchip Technology
1: NT$167.06
571In Stock

Mfr. Part #
AT89C55WD-24JU

Mouser Part #
556-AT89C55WD-24JU

Microchip Technology

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

Datasheet

571In Stock

NT$167.06

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

32 I/O

8 bit

No ADC

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

AT89C55WD-24PU
Microchip Technology
1: NT$184.63
936In Stock

Mfr. Part #
AT89C55WD-24PU

Mouser Part #
556-AT89C55WD-24PU

Microchip Technology

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

Datasheet

936In Stock

NT$184.63

NT$169.57

NT$163.12

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

32 I/O

8 bit

No ADC

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

AT89LP51RB2-20JU
Microchip Technology
1: NT$144.48
738In Stock

Mfr. Part #
AT89LP51RB2-20JU

Mouser Part #
556-AT89LP51RB2-20JU

Microchip Technology

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

Learn More

Datasheet

738In Stock

NT$144.48

NT$132.65

NT$120.10

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

40 I/O

8 bit

10 bit

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

AT89LP51RC2-20JU
Microchip Technology
1: NT$160.61
530In Stock

Mfr. Part #
AT89LP51RC2-20JU

Mouser Part #
556-AT89LP51RC2-20JU

Microchip Technology

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

Learn More

Datasheet

530In Stock

NT$160.61

NT$146.99

NT$133.00

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

40 I/O

8 bit

10 bit

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

AT89LP52-20AU
Microchip Technology
1: NT$61.66
3,089In Stock

Mfr. Part #
AT89LP52-20AU

Mouser Part #
556-AT89LP52-20AU

Microchip Technology

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

Learn More

Datasheet

3,089In Stock

NT$61.66

NT$55.93

NT$50.91

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

36 I/O

8 bit

No ADC

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

AT89S52-24AUR
Microchip Technology
1: NT$86.76
3,025In Stock

Mfr. Part #
AT89S52-24AUR

Mouser Part #
556-AT89S52-24AUR

Microchip Technology

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

Datasheet

3,025In Stock

Cut Tape

NT$86.76

NT$83.53

NT$71.70

Reel

NT$71.70

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

SMD/SMT

TQFP-44

8051

32 I/O

8 bit

No ADC

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

AT89S52-24JU
Microchip Technology
1: NT$135.87
1,797In 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

1,797In Stock

NT$135.87

NT$124.40

NT$120.46

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

32 I/O

8 bit

No ADC

8051 Core Embedded Processors & Controllers

Types of Embedded Processors & Controllers

Customer Service Office

Company

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LQFP-32
LQFP-44
LQFP-48
LQFP-64
MQFP-80
MSOP-10
PDIP-20
PDIP-40
PLCC-28
PLCC-44
PLCC-68
PQFP-44
PQFP-48
QFN-11
QFN-20
QFN-24
QFN-28
QFN-32
QFN-33
QFN-40

4 I/O
6 I/O
7 I/O
8 I/O
11 I/O
12 I/O
13 I/O
15 I/O
16 I/O
17 I/O
18 I/O
20 I/O
21 I/O
24 I/O
25 I/O
26 I/O
28 I/O
29 I/O
30 I/O
31 I/O