8051 Core 8 bit Embedded Processors & Controllers

Types of Embedded Processors & Controllers
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Qty. RoHS Mounting Style
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Core
Number of I/Os
Data Bus Width
ADC Resolution

Microchip Technology 8-bit Microcontrollers - MCU C51RD2 64K FLASH 3-5.5V
Datasheet
428In Stock
Min.: 1
Mult.: 1
: 500

SMD/SMT PLCC-44 8051 34 I/O 8 bit

Microchip Technology 8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V
Datasheet
830In Stock
2,079Expected 9/4/2026
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 32 I/O 8 bit
Microchip Technology 8-bit Microcontrollers - MCU SINGLE CYCLE 4K FLASH-20MHZ 2.4-5.5V
Datasheet
1,646In 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
1,692In Stock
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
1,751In Stock
Min.: 1
Mult.: 1

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

Microchip Technology 8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V
Datasheet
364In Stock
2,781Expected 9/4/2026
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 32 I/O 8 bit No ADC
Microchip Technology 8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V
Datasheet
770In Stock
Min.: 1
Mult.: 1

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

Microchip Technology 8-bit Microcontrollers - MCU MCU 8-Bit HI Perform ROMless 3-5V
Datasheet
860In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

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

Microchip Technology 8-bit Microcontrollers - MCU MCU 8-Bit HI Perform ROMless 3-5V
Datasheet
434In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 32 I/O 8 bit No ADC
Microchip Technology 8-bit Microcontrollers - MCU C51AC3 64kF ADC EEP TQFP44 ind 5V GREEN
Datasheet
256In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 8051 36 I/O 8 bit 10 bit
Microchip Technology 8-bit Microcontrollers - MCU CAN TQFP44 TRAY I. Bootloader UART GREEN
Datasheet
1,422In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 34 I/O 8 bit 10 bit
Microchip Technology 8-bit Microcontrollers - MCU C51ED2 64kF TQFP44 3-5.5V Ind GREEN
Datasheet
837In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 34 I/O 8 bit
Microchip Technology 8-bit Microcontrollers - MCU C51IC2 32Kf I2C 32KHz TQFP44 I. 5V GREEN
Datasheet
194In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 34 I/O 8 bit No ADC
Microchip Technology 8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 ind 3V GREEN
Datasheet
1,000In Stock
Min.: 1
Mult.: 1
: 2,000

SMD/SMT TQFP-44 8051 32 I/O 8 bit No ADC
Microchip Technology 8-bit Microcontrollers - MCU C51RC2 FLASH 32k TQFP44 Com 5V GREEN
Datasheet
859In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 32 I/O 8 bit No ADC
Microchip Technology 8-bit Microcontrollers - MCU C51RD2 64kF TQFP44 3-5.5V Ind. GREEN
Datasheet
427In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 34 I/O 8 bit

Microchip Technology 8-bit Microcontrollers - MCU 24MHZ, PLCC, IND TEMP, GREEN, 5V
Datasheet
651In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 32 I/O 8 bit No ADC
Microchip Technology 8-bit Microcontrollers - MCU 20K FLASH - 24MHZ IND TEMP 5V
Datasheet
936In 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 805124K ISP Flash,2.4-5.5V
Datasheet
738In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 40 I/O 8 bit 10 bit

Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 805132K ISP Flash,2.4-5.5V
Datasheet
530In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 40 I/O 8 bit 10 bit
Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU
Datasheet
3,089In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 36 I/O 8 bit No ADC
Microchip Technology 8-bit Microcontrollers - MCU 24 MHZ, TQFP44, IND TEMP, GREEN
Datasheet
3,025In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

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

Microchip Technology 8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V
Datasheet
1,798In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 32 I/O 8 bit No ADC
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU
Datasheet
766In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-28 8051 17 I/O 8 bit 16 bit