8051 Core 8-bit Microcontrollers - MCU

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Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Core
Program Memory Size
Data RAM Size
Package/Case
Maximum Clock Frequency
ADC Resolution
Number of I/Os
Supply Voltage - Min
Supply Voltage - Max
Mounting Style
Data Bus Width
Minimum Operating Temperature
Maximum Operating Temperature
Series
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Packaging
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
3,435In Stock
Min.: 1
Mult.: 1

8051 64 kB 8 kB TQFP-100 50 MHz 12 bit 70 I/O 1.71 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C CY8C3446 Tray
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V
Datasheet
286In Stock
Min.: 1
Mult.: 1

8051 64 kB 8 kB QFN-48 67 MHz 20 bit 31 I/O 1.71 V 1.89 V SMD/SMT 8 bit - 40 C + 85 C CY8C3866 Tray
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
171In Stock
Min.: 1
Mult.: 1

8051 64 kB 256 B TQFP-44 33 MHz No ADC 32 I/O 4.5 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C DS80C320 Tray
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
586In Stock
Min.: 1
Mult.: 1

8051 64 kB 8 kB SSOP-48 50 MHz 12 bit 29 I/O 1.71 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C CY8C3246 Tube
Silicon Labs 8-bit Microcontrollers - MCU 50 MIPS, 128 kB, 8 kB, CAN2.0, LIN 2.1, SPI, 2xUART, I2C, QFP48
Datasheet
4,875In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

8051 128 kB 8.25 kB TQFP-48 50 MHz 12 bit 40 I/O 1.8 V 5.25 V SMD/SMT 8 bit - 40 C + 125 C C8051F580 Reel, Cut Tape, MouseReel

Microchip Technology 8-bit Microcontrollers - MCU C51AC3 64K FLASHADC EEP 5V
Datasheet
391In Stock
Min.: 1
Mult.: 1

8051 64 kB 2 kB PLCC-44 60 MHz 10 bit 36 I/O 3 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C 89C Tube
Microchip Technology 8-bit Microcontrollers - MCU C51RD2 ROMless TQFP44 Ind 5V GREEN
Datasheet
2,049In Stock
Min.: 1
Mult.: 1

8051 1.25 kB TQFP-44 40 MHz No ADC 32 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU C51RB2 FLASH 16k TQFP44 ind 3V GREEN
Datasheet
641In Stock
Min.: 1
Mult.: 1

8051 16 kB 1.25 kB TQFP-44 60 MHz No ADC 32 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU USB-Flash-64k-ADC-TQFP48
Datasheet
10,588In Stock
Min.: 1
Mult.: 1
: 500

8051 64 kB 4.25 kB TQFP-48 48 MHz 10 bit 40 I/O 2.7 V 5.25 V SMD/SMT 8 bit - 40 C + 85 C C8051F380 Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU C5130A 32K Flash
Datasheet
1,065In Stock
Min.: 1
Mult.: 1

8051 32 kB 1 kB VQFP-64 48 MHz No ADC 34 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C 89C Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
Datasheet
6,215In Stock
Min.: 1
Mult.: 1

8051 16 kB 2.31 kB QFN-28 50 MHz 12 bit 20 I/O 2 V 5.25 V SMD/SMT 8 bit - 40 C + 85 C C8051F413 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU
Datasheet
2,731In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

8051 16 kB 768 B QFN-24 25 MHz 10 bit 21 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F338 Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU LOW VOLTAGE 4K ISP FLASH-16MHZ 4-5.5V
Datasheet
133In Stock
Min.: 1
Mult.: 1

8051 4 kB 128 B TQFP-44 16 MHz No ADC 32 I/O 2.7 V 4 V SMD/SMT 8 bit - 40 C + 85 C 89LS Tray

Microchip Technology 8-bit Microcontrollers - MCU C51 16K Flash ADC
Datasheet
896In Stock
Min.: 1
Mult.: 1

8051 16 kB 512 B PLCC-28 40 MHz 10 bit 20 I/O 3 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C 89C Tube
Microchip Technology 8-bit Microcontrollers - MCU 24 MHZ, TQFP44, IND TEMP, GREEN
Datasheet
4,045In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

8051 8 kB 256 B TQFP-44 24 MHz No ADC 32 I/O 4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 8-bit MCU
Datasheet
3In Stock
1,500Expected 16/06/2026
Min.: 1
Mult.: 1
: 1,500

8051 8 kB 1.25 kB QFN-24 25 MHz 10 bit 25 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F313 Reel, Cut Tape

Microchip Technology 8-bit Microcontrollers - MCU CAN 64K FLASH CAN BOOT
Datasheet
759In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

8051 64 kB 2.25 kB PLCC-44 40 MHz 36 I/O 3 V 5.5 V SMD/SMT 8 bit Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
360In Stock
Min.: 1
Mult.: 1

8051 64 kB 256 B VQFN-44 20 MHz 10 bit 36 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
101In Stock
Min.: 1
Mult.: 1

8051 64 kB 256 B PLCC-44 18 MHz No ADC 32 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C DS80C323 Tube
Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
590In Stock
Min.: 1
Mult.: 1

8051 32 kB 4 kB SSOP-48 50 MHz 12 bit 29 I/O 1.71 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C CY8C3245 Tube

Microchip Technology 8-bit Microcontrollers - MCU C51IC2 32K FLASH I2C 32KHz 3V
Datasheet
460In Stock
Min.: 1
Mult.: 1

8051 32 kB 1.25 kB PLCC-44 60 MHz No ADC 34 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C 89C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
Datasheet
308In Stock
Min.: 1
Mult.: 1

8051 32 kB 2.3 kB QFN-32 48 MHz 25 I/O 2.7 V 5.25 V SMD/SMT 8 bit - 40 C + 85 C C8051F387 Tube
Infineon Technologies 8-bit Microcontrollers - MCU 8051 8bit 67MHz 64KB
Datasheet
1,000In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

8051 64 kB 8 kB SSOP-48 67 MHz 20 bit 1.71 V 1.89 V SMD/SMT 8 bit - 40 C + 85 C CY8C3866 Reel, Cut Tape, MouseReel

Microchip Technology 8-bit Microcontrollers - MCU 16K Flash ADC
Datasheet
1,099In Stock
Min.: 1
Mult.: 1

8051 16 kB 512 B SOIC-28 40 MHz 10 bit 20 I/O 3 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C 89C Tube

Microchip Technology 8-bit Microcontrollers - MCU Bootloader CAN
Datasheet
115In Stock
Min.: 1
Mult.: 1

8051 32 kB 1.2 kB PLCC-44 40 MHz 10 bit 34 I/O 3 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C 89C Tube