8051 Core Microcontrollers - MCU

Types of Microcontrollers - MCU
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Data Bus Width
Maximum Clock Frequency
Program Memory Size
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Supply Voltage - Max
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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 8KB,24ADC,32Pin MCU
Datasheet
610In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-32 8051 8 bit 50 MHz 8 kB 768 B 24 bit 17 I/O 2.7 V 3.6 V + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU
Datasheet
1.078In 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 16 kB 8-bit MCU
Datasheet
496In Stock
1.250Expected 3/20/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-32 8051 8 bit 50 MHz 16 kB 2.31 kB 12 bit 24 I/O 2 V 5.25 V + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
Datasheet
294In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

SMD/SMT LQFP-32 8051 8 bit 50 MHz 16 kB 2.31 kB 12 bit 24 I/O 2 V 5.25 V + 85 C Reel, Cut Tape, MouseReel

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
Silicon Labs 8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, DFN10
Datasheet
2.359In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 8051 8 bit 25 MHz 8 kB 256 B 12 bit 6 I/O 1.8 V 5.25 V + 125 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU
Datasheet
511In Stock
Min.: 1
Mult.: 1

SMD/SMT QFP-32 8051 8 bit 50 MHz 32 kB 2.25 kB 12 bit 25 I/O 1.8 V 5.25 V + 125 C AEC-Q100 Tray
Microchip Technology 8-bit Microcontrollers - MCU C51IC2 32Kf I2C 32KHz TQFP44 I. 3V GREEN
Datasheet
160In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 8 bit 60 MHz 32 kB 1.25 kB No ADC 34 I/O 2.7 V 3.6 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V
Datasheet
534In Stock
Min.: 1
Mult.: 1

SMD/SMT SOIC-20 8051 8 bit 24 MHz 4 kB 128 B No ADC 15 I/O 4 V 6 V + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V
Datasheet
34In Stock
555On Order
Min.: 1
Mult.: 1

SMD/SMT SOIC-20 8051 8 bit 12 MHz 4 kB 128 B No ADC 15 I/O 2.7 V 6 V + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU C5130A 32K Flash USB
Datasheet
155In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-32 8051 8 bit 48 MHz 32 kB 1 kB No ADC 34 I/O 2.7 V 5.5 V + 85 C Tray

Microchip Technology 8-bit Microcontrollers - MCU C51-CAN Bootloader CAN
Datasheet
68In Stock
Min.: 1
Mult.: 1

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

Microchip Technology 8-bit Microcontrollers - MCU CTRL Bootloader CAN
Datasheet
43In Stock
Min.: 1
Mult.: 1

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

Microchip Technology 8-bit Microcontrollers - MCU CTRL Bootloader UART
Datasheet
127In Stock
Min.: 1
Mult.: 1

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

Microchip Technology 8-bit Microcontrollers - MCU CTRL Boodloader UART
Datasheet
54In Stock
Min.: 1
Mult.: 1

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

Microchip Technology 8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V - 24MHZ 5V
Datasheet
275In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 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 20K FLASH - 24MHZ
Datasheet
61In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 8 bit 24 MHz 20 kB 256 B No ADC 32 I/O 4 V 5.5 V + 85 C Tray

Microchip Technology 8-bit Microcontrollers - MCU SINGLE CYCLE 2K FLASH-20MHZ 2.4-5.5V
Datasheet
8In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-20 8051 8 bit 20 MHz 2 kB 256 B 15 I/O 2.4 V 5.5 V + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU LO-VLTG 8K ISP FLASH -16MHZ 2.7-5.5V
Datasheet
188In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 8 bit 16 MHz 8 kB 256 B No ADC 32 I/O 2.7 V 4 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL
Datasheet
63In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 8 bit 20 MHz 32 kB 4.25 kB 10 bit 38 I/O 2.4 V 3.6 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL
Datasheet
730In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 8 bit 20 MHz 4 kB 256 B No ADC 36 I/O 2.4 V 5.5 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
280In Stock
Min.: 1
Mult.: 1

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