8051 Core Embedded Processors & Controllers

Types of Embedded Processors & Controllers
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Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS Product Type
Mounting Style
Package/Case
Core
Data Bus Width
Maximum Clock Frequency
Program Memory Size
Data RAM Size
ADC Resolution
Number of I/Os
Minimum Operating Temperature
Maximum Operating Temperature
Qualification
Packaging

Microchip Technology 8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V - 24MHZ 5V
Datasheet
386In Stock
Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU SMD/SMT PLCC-44 8051 8 bit 24 MHz 32 kB 512 B No ADC 32 I/O - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V
Datasheet
498In Stock
Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU Through Hole PDIP-40 8051 8 bit 24 MHz 32 kB 512 B No ADC 32 I/O - 40 C + 85 C Tube

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

8-bit Microcontrollers - MCU SMD/SMT PLCC-44 8051 8 bit 60 MHz 64 kB 2 kB 34 I/O - 40 C + 85 C Reel, Cut Tape

Microchip Technology 8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V
Datasheet
820In Stock
2,079Expected 4/9/2026
Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU SMD/SMT PLCC-44 8051 8 bit 60 MHz 64 kB 2 kB 32 I/O - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU SINGLE CYCLE 4K FLASH-20MHZ 2.4-5.5V
Datasheet
1,346In Stock
Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU SMD/SMT SOIC-20 8051 8 bit 20 MHz 4 kB 256 B No ADC 15 I/O - 40 C + 85 C Tube

Microchip Technology 8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 2.7V-4.0V
Datasheet
1,225In Stock
Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU SMD/SMT PLCC-44 8051 8 bit 16 MHz 8 kB 256 B No ADC 32 I/O - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V
Datasheet
1,692In Stock
Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU Through Hole PDIP-40 8051 8 bit 24 MHz 4 kB 128 B No ADC 32 I/O - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V
Datasheet
1,633In Stock
Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU SMD/SMT TQFP-44 8051 8 bit 24 MHz 12 kB 256 B No ADC 32 I/O - 40 C + 85 C Tray

Microchip Technology 8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V
Datasheet
344In Stock
2,781Expected 4/9/2026
Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU SMD/SMT PLCC-44 8051 8 bit 24 MHz 12 kB 256 B No ADC 32 I/O - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V
Datasheet
715In Stock
Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU Through Hole PDIP-40 8051 8 bit 24 MHz 12 kB 256 B No ADC 32 I/O - 40 C + 85 C Tube

Microchip Technology 8-bit Microcontrollers - MCU MCU 8-Bit HI Perform ROMless 3-5V
Datasheet
660In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

8-bit Microcontrollers - MCU SMD/SMT PLCC-44 8051 8 bit 40 MHz 1 kB 1.25 kB No ADC 32 I/O - 40 C + 85 C Reel, Cut Tape, MouseReel

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

8-bit Microcontrollers - MCU SMD/SMT PLCC-44 8051 8 bit 40 MHz 1 kB 1.25 kB No ADC 32 I/O - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU C51AC3 64kF ADC EEP TQFP44 ind 5V GREEN
Datasheet
156In Stock
160On Order
Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU SMD/SMT TQFP-64 8051 8 bit 60 MHz 64 kB 128 B 10 bit 36 I/O - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU CAN TQFP44 TRAY I. Bootloader UART GREEN
Datasheet
1,272In Stock
Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU SMD/SMT TQFP-44 8051 8 bit 40 MHz 32 kB 1.25 kB 10 bit 34 I/O - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU C51ED2 64kF TQFP44 3-5.5V Ind GREEN
Datasheet
726In Stock
Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU SMD/SMT TQFP-44 8051 8 bit 60 MHz 64 kB 2 kB 34 I/O - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU C51IC2 32Kf I2C 32KHz TQFP44 I. 5V GREEN
Datasheet
191In Stock
Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU SMD/SMT TQFP-44 8051 8 bit 60 MHz 32 kB 1.25 kB No ADC 34 I/O - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 ind 3V GREEN
Datasheet
1,000In Stock
Min.: 1
Mult.: 1
: 2,000

8-bit Microcontrollers - MCU SMD/SMT TQFP-44 8051 8 bit 60 MHz 16 kB 1.25 kB No ADC 32 I/O - 40 C + 85 C Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU C51RC2 FLASH 32k TQFP44 Com 5V GREEN
Datasheet
859In Stock
Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU SMD/SMT TQFP-44 8051 8 bit 60 MHz 32 kB 1.25 kB No ADC 32 I/O - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU C51RD2 64kF TQFP44 3-5.5V Ind. GREEN
Datasheet
427In Stock
Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU SMD/SMT TQFP-44 8051 8 bit 60 MHz 64 kB 2 kB 34 I/O - 40 C + 85 C Tray

Microchip Technology 8-bit Microcontrollers - MCU 24MHZ, PLCC, IND TEMP, GREEN, 5V
Datasheet
571In Stock
Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU SMD/SMT PLCC-44 8051 8 bit 24 MHz 20 kB 256 B No ADC 32 I/O - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 20K FLASH - 24MHZ IND TEMP 5V
Datasheet
936In Stock
Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU Through Hole PDIP-40 8051 8 bit 24 MHz 20 kB 256 B No ADC 32 I/O - 40 C + 85 C Tube

Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 805124K ISP Flash,2.4-5.5V
Datasheet
738In Stock
Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU SMD/SMT PLCC-44 8051 8 bit 20 MHz 24 kB 256 B 10 bit 40 I/O - 40 C + 85 C Tube

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

8-bit Microcontrollers - MCU SMD/SMT PLCC-44 8051 8 bit 20 MHz 32 kB 256 B 10 bit 40 I/O - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU
Datasheet
3,089In Stock
Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU SMD/SMT TQFP-44 8051 8 bit 20 MHz 8 kB 256 B No ADC 36 I/O - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 24 MHZ, TQFP44, IND TEMP, GREEN
Datasheet
3,025In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

8-bit Microcontrollers - MCU SMD/SMT TQFP-44 8051 8 bit 24 MHz 8 kB 256 B No ADC 32 I/O - 40 C + 85 C Reel, Cut Tape, MouseReel