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8051 Core Embedded Processors & Controllers

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Types of Embedded Processors & Controllers

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Results: 552

Applied Filters:

Core = 8051

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Part #

8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V - 24MHZ 5V

AT89C51RC-24JU
Microchip Technology
1: ¥774
386In Stock

Mfr. Part #
AT89C51RC-24JU

Mouser Part #
556-A89C51RC-24JU

Microchip Technology

8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V - 24MHZ 5V

Learn More

Datasheet

386In Stock

¥774

¥712.6

¥686

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

32 I/O

8 bit

No ADC

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

AT89C51RC-24PU
Microchip Technology
1: ¥877
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

¥877

¥858.7

¥845.4

¥838.8

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: ¥1,531.4
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

¥1,531.4

Reel

¥1,531.4

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: ¥1,496.6
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

¥1,496.6

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: ¥408.6
1,646In 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

1,646In Stock

¥408.6

¥373.7

¥337.2

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: ¥631.2
1,375In 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

1,375In Stock

¥631.2

¥578

¥559.8

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: ¥551.5
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

¥551.5

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: ¥448.5
1,739In 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

1,739In Stock

¥448.5

¥413.6

¥372.1

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: ¥782.3
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

¥782.3

¥715.9

¥691

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: ¥739.1
770In 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

770In Stock

¥739.1

¥679.3

¥652.8

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: ¥707.6
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

¥707.6

Reel

¥707.6

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: ¥681
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

¥681

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: ¥1,699.2
156In Stock

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

¥1,699.2

¥1,556.4

¥1,413.5

¥1,411.9

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: ¥1,506.5
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

¥1,506.5

¥1,380.3

¥1,250.7

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: ¥1,629.4
836In 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

836In Stock

¥1,629.4

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: ¥1,390.3
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

¥1,390.3

¥1,274

¥1,156.1

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: ¥1,290.6
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

¥1,290.6

¥1,259

¥1,229.1

¥1,181

View

Reel

¥1,172.7

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: ¥1,360.4
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

¥1,360.4

¥1,245.8

¥1,127.8

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: ¥1,458.4
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

¥1,458.4

¥1,455

¥1,453.4

¥1,212.5

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: ¥774
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

¥774

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: ¥855.4
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

¥855.4

¥785.7

¥755.8

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: ¥669.4
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

¥669.4

¥614.6

¥556.4

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: ¥744.1
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

¥744.1

¥681

¥616.2

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: ¥285.7
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

¥285.7

¥259.1

¥235.9

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: ¥402
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

¥402

¥387

¥332.2

Reel

¥332.2

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

SMD/SMT

TQFP-44

8051

32 I/O

8 bit

No ADC

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