8051 Core Embedded Processors & Controllers

Types of Embedded Processors & Controllers
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Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity.
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Number of I/Os
Data Bus Width
ADC Resolution

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU
Datasheet
950In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-48 8051 40 I/O 8 bit 10 bit
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
Datasheet
2.397In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

SMD/SMT QFN-28 8051 20 I/O 8 bit 12 bit

Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 4K SRAM 8bit 67 MHz
Datasheet
1.541In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-68 8051 46 I/O 8 bit 12 bit
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU
Datasheet
7.950In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-48 8051 40 I/O 8 bit 10 bit
Silicon Labs 8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32
Datasheet
5.316In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-32 8051 24 I/O 8 bit 10 bit

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU
Datasheet
739In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 8051 32 I/O 8 bit 12 bit

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU
Datasheet
855In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 8051 32 I/O 8 bit 10 bit
Silicon Labs 8-bit Microcontrollers - MCU 50MIPS,128KB,12ADC,100Pin MCU
Datasheet
585In Stock
900Expected 09/06/2026
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 64 I/O 8 bit 8 bit, 12 bit

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers
Datasheet
1.001In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 32 I/O 8 bit No ADC

Microchip Technology 8-bit Microcontrollers - MCU 2kB Flash 128B RAM 24MHz 2.7V-6.0V
Datasheet
2.583In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-20 8051 15 I/O 8 bit No ADC
Microchip Technology 8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-24MHZ 4-5.5V
Datasheet
1.118In Stock
1.517Expected 23/07/2026
Min.: 1
Mult.: 1

SMD/SMT SOIC-20 8051 15 I/O 8 bit No ADC

Microchip Technology 8-bit Microcontrollers - MCU 20 PINS 2K FLASH 12MHZ 2.7 - 5.5V
Datasheet
1.186In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-20 8051 15 I/O 8 bit No ADC

Microchip Technology 8-bit Microcontrollers - MCU CAN-STICK Bootloader UART IND
Datasheet
624In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 34 I/O 8 bit 10 bit
Microchip Technology 8-bit Microcontrollers - MCU CAN/C51 Boot CAN
Datasheet
275In Stock
Min.: 1
Mult.: 1

SMD/SMT VQFP-32 8051 20 I/O 8 bit 10 bit

Microchip Technology 8-bit Microcontrollers - MCU 64K FLASH 32KHz 3.5-5V Ind.
Datasheet
481In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 34 I/O 8 bit No ADC
Microchip Technology 8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind
Datasheet
397In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-40 8051 32 I/O 8 bit No ADC

Microchip Technology 8-bit Microcontrollers - MCU C51RB2 FLASH 3V 16k Ind
Datasheet
316In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 32 I/O 8 bit No ADC

Microchip Technology 8-bit Microcontrollers - MCU C51RB2 16K FLASH 5V COM
Datasheet
1.406In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 32 I/O 8 bit No ADC
Microchip Technology 8-bit Microcontrollers - MCU 32kB Flash 1280B RAM 2.7V-5.5V
Datasheet
362In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-40 8051 32 I/O 8 bit No ADC

Microchip Technology 8-bit Microcontrollers - MCU SINGLE CYCLE 4K FLASH-20MHZ 2.4-5.5V
Datasheet
878In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-20 8051 15 I/O 8 bit No ADC
Microchip Technology 8-bit Microcontrollers - MCU SINGLE CYCLE 4K FLASH-20MHZ 2.4-5.5V
Datasheet
2.076In Stock
Min.: 1
Mult.: 1

SMD/SMT SOIC-20 8051 15 I/O 8 bit No ADC

Microchip Technology 8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 2.7V-4.0V
Datasheet
1.375In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 32 I/O 8 bit No ADC
Microchip Technology 8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V
Datasheet
860In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-40 8051 32 I/O 8 bit No ADC
Microchip Technology 8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V
Datasheet
3.867In Stock
4.840Expected 29/06/2026
Min.: 1
Mult.: 1

Through Hole PDIP-40 8051 32 I/O 8 bit No ADC
Microchip Technology 8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V
Datasheet
1.395In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 32 I/O 8 bit No ADC