8051 Core Microcontrollers - MCU

Types of Microcontrollers - MCU
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Qty. RoHS Mounting Style
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Core
Data Bus Width
Maximum Clock Frequency
Program Memory Size
Data RAM Size
ADC Resolution
Number of I/Os
Supply Voltage - Min
Supply Voltage - Max
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Packaging

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU
Datasheet
778In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 8051 8 bit 25 MHz 64 kB 4.25 kB 8 bit, 10 bit 32 I/O 2.7 V 3.6 V + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU
Datasheet
751In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 8 bit 25 MHz 64 kB 4.25 kB 16 bit 59 I/O 2.7 V 3.6 V + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 50MIPS,128KB,12ADC,100Pin MCU
Datasheet
1,280In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 8 bit 50 MHz 128 kB 8.25 kB 8 bit, 12 bit 64 I/O 2.7 V 3.6 V + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 8-bit MCU
Datasheet
491In Stock
800Expected 17/04/2026
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 8051 8 bit 50 MHz 128 kB 8.25 kB 12 bit 32 I/O 2.7 V 3.6 V + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 100 MHz 128 kB MAC 8-bit MCU
Datasheet
438In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 8051 8 bit 100 MHz 128 kB 8.25 kB 10 bit 32 I/O 3 V 3.6 V + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU
Datasheet
3,821In Stock
Min.: 1
Mult.: 1

SMD/SMT PQFP-48 8051 8 bit 50 MHz 128 kB 8.25 kB 12 bit 40 I/O 1.8 V 5.25 V + 125 C AEC-Q100 Tray
Silicon Labs 8-bit Microcontrollers - MCU 50 MIPS, 128 kB, 8 kB, CAN2.0, LIN 2.1, SPI, 2xUART, I2C, QFP48
Datasheet
5,327In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

SMD/SMT TQFP-48 8051 8 bit 50 MHz 128 kB 8.25 kB 12 bit 40 I/O 1.8 V 5.25 V + 125 C Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers
Datasheet
304In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-40 8051 8 bit 33 MHz 16 kB 1 kB No ADC 32 I/O 4.5 V 5.5 V + 85 C Tube

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers
Datasheet
299In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 8 bit 33 MHz 16 kB 1 kB No ADC 32 I/O 4.5 V 5.5 V + 70 C Tube

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU EPROM/ROM High-Speed Microcontrollers
Datasheet
1,206In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 8 bit 33 MHz 16 kB 1 kB No ADC 32 I/O 4.5 V 5.5 V + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU
Datasheet
877In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-32 8051 8 bit 48 MHz 64 kB 4.25 kB 10 bit 25 I/O 2.7 V 5.25 V + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU USB-Flash-64k-ADC-LQFP32
Datasheet
1,280In Stock
Min.: 1
Mult.: 1
Reel: 500

SMD/SMT LQFP-32 8051 8 bit 48 MHz 64 kB 4.25 kB 10 bit 25 I/O 2.7 V 5.25 V + 85 C Reel, Cut Tape

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU
Datasheet
1,559In Stock
Min.: 1
Mult.: 1

SMD/SMT QFP-32 8051 8 bit 50 MHz 64 kB 4.25 kB 12 bit 25 I/O 1.8 V 5.25 V + 125 C AEC-Q100 Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU
Datasheet
1,717In Stock
Min.: 1
Mult.: 1

SMD/SMT QFP-32 8051 8 bit 50 MHz 32 kB 4.25 kB 12 bit 25 I/O 1.8 V 5.25 V + 125 C AEC-Q100 Tray
Microchip Technology 8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 ind 3V GREEN
Datasheet
2,000In Stock
Min.: 1
Mult.: 1
Reel: 2,000

SMD/SMT TQFP-44 8051 8 bit 60 MHz 16 kB 1.25 kB No ADC 32 I/O 2.7 V 3.6 V + 85 C Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU 20 PINS UART 2K FLASH-24MHZ 4-5.5V
Datasheet
2,066In Stock
Min.: 1
Mult.: 1

SMD/SMT SOIC-20 8051 8 bit 24 MHz 2 kB 128 B No ADC 15 I/O 4 V 6 V + 85 C Tube

Microchip Technology 8-bit Microcontrollers - MCU C51AC2 32K FLASHADC EEP 5V
Datasheet
177In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 8 bit 40 MHz 32 kB 1.25 kB 10 bit 34 I/O 3 V 5.5 V + 85 C Tube

Microchip Technology 8-bit Microcontrollers - MCU CAN-STICK Bootloader UART IND
Datasheet
1,167In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 8 bit 40 MHz 32 kB 1.2 kB 10 bit 34 I/O 3 V 5.5 V + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU CAN C51 64K FLASH UAR BOOT
Datasheet
738In Stock
Min.: 1
Mult.: 1

SMD/SMT VQFP-64 8051 8 bit 60 MHz 64 kB 2 kB 10 bit 36 I/O 3 V 5.5 V + 85 C Tray

Microchip Technology 8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V
Datasheet
675In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 8 bit 60 MHz 64 kB 2 kB No ADC 34 I/O 2.7 V 5.5 V + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU C51ED2 64K FLASH 3-5.5V Ind
Datasheet
1,069In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-68 8051 8 bit 60 MHz 64 kB 2 kB No ADC 48 I/O 2.7 V 5.5 V + 85 C Tube

Microchip Technology 8-bit Microcontrollers - MCU C51RB2 16K FLASH 5V COM
Datasheet
1,944In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 8 bit 60 MHz 16 kB 1.25 kB No ADC 32 I/O 2.7 V 5.5 V + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V
Datasheet
795In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-40 8051 8 bit 24 MHz 32 kB 512 B No ADC 32 I/O 4 V 5.5 V + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 32kB Flash 1280B RAM 2.7V-5.5V
Datasheet
512In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-40 8051 8 bit 60 MHz 32 kB 1.25 kB No ADC 32 I/O 2.7 V 5.5 V + 85 C Tube

Microchip Technology 8-bit Microcontrollers - MCU 64kB Flash 2048B RAM 2.7V-5.5V
Datasheet
1,723In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 8 bit 60 MHz 64 kB 2 kB 32 I/O 2.7 V 5.5 V + 85 C Tube