8051 microcontroller 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 Mounting Style
Package/Case
Core
Program Memory Size
Data Bus Width
ADC Resolution
Maximum Clock Frequency
Number of I/Os
Data RAM Size
Supply Voltage - Min
Supply Voltage - Max
Minimum Operating Temperature
Maximum Operating Temperature
Qualification
Packaging

Silicon Labs 8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU
Datasheet
1,528In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-28 8051 8 kB 8 bit 24 bit 50 MHz 17 I/O 768 B 2.7 V 3.6 V - 40 C + 85 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 8-bit MCU
Datasheet
1,120In Stock
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-24 8051 8 kB 8 bit 10 bit 25 MHz 25 I/O 1.25 kB 2.7 V 3.6 V - 40 C + 85 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
Datasheet
2,430Expected 08/09/2026
Min.: 1
Mult.: 1
: 2,500

SMD/SMT QFN-32 CIP-51 8051 64 kB 8 bit 10 bit, 12 bit 50 MHz 29 I/O 4.35 kB 2.2 V 3.6 V - 40 C + 125 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU
Datasheet
3,007In Stock
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-28 8051 16 kB 8 bit 25 MHz 15 I/O 1.54 kB 2.7 V 5.25 V - 40 C + 85 C Reel, Cut Tape

Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
Datasheet
1,043Expected 16/10/2026
Min.: 1
Mult.: 1

SMD/SMT QFP-32 CIP-51 8051 32 kB 8 bit 10 bit/12 bit/14 bit 72 MHz 28 I/O 2.25 kB 2.2 V 3.6 V - 40 C + 105 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
1In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-28 CIP-51 8051 16 kB 8 bit 12 bit 50 MHz 22 I/O 2.3 kB 2.2 V 3.6 V - 40 C + 125 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 50 MIPS, 128 kB, 8 kB, CAN2.0, LIN 2.1, SPI, 2xUART, I2C, QFP48
Datasheet
4,175In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

SMD/SMT TQFP-48 8051 128 kB 8 bit 12 bit 50 MHz 40 I/O 8.25 kB 1.8 V 5.25 V - 40 C + 125 C Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V
Datasheet
552On Order
Min.: 1
Mult.: 1

SMD/SMT SOIC-20 8051 4 kB 8 bit No ADC 12 MHz 15 I/O 128 B 2.7 V 6 V - 40 C + 85 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
1,498Expected 01/09/2026
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-20 CIP-51 8051 16 kB 8 bit 12 bit 50 MHz 16 I/O 2.25 kB 2.2 V 3.6 V - 40 C + 125 C AEC-Q100 Reel, Cut Tape
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

SMD/SMT QFN-24 8051 16 kB 8 bit 10 bit 25 MHz 21 I/O 768 B 2.7 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU
Datasheet
1,458In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-20 8051 16 kB 8 bit 10 bit 25 MHz 17 I/O 768 B 2.7 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8kB/256B RAM, 8b ADC, 2% osc, QFN11 OTP available (T600-GM)
Datasheet
900In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-11 8051 8 kB 8 bit 8 bit 25 MHz 8 I/O 256 B 2.7 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU
Datasheet
2,500Expected 05/11/2026
Min.: 1
Mult.: 1
: 2,500

SMD/SMT QFN-32 16 kB 16 I/O 1.28 kB 1.8 V 5.5 V - 40 C + 85 C Reel, Cut Tape

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 8-bit MCU
Datasheet
185In Stock
Min.: 1
Mult.: 1
: 250

SMD/SMT TQFP-100 8051 128 kB 8 bit 50 MHz 64 I/O 8.25 kB 2.7 V 3.6 V - 40 C + 85 C Reel, Cut Tape

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 4 kB 8-bit MCU
Datasheet
1,473In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 8051 8 kB 8 bit 12 bit 25 MHz 16 I/O 512 B 2.2 V 3.6 V - 40 C + 85 C AEC-Q100 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
Datasheet
6,218In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-28 8051 16 kB 8 bit 12 bit 50 MHz 20 I/O 2.31 kB 2 V 5.25 V - 40 C + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 100 MHz 128 kB MAC 8-bit MCU
Datasheet
341In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

SMD/SMT TQFP-100 8051 128 kB 8 bit 100 MHz 64 I/O 8.25 kB 3 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU
Datasheet
3,400On Order
Min.: 1
Mult.: 1

SMD/SMT QFN-32 16 kB 16 I/O 1.28 kB 1.8 V 5.5 V - 40 C + 85 C Cut Tape

Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
Datasheet
500Expected 23/10/2026
Min.: 1
Mult.: 1
: 500

SMD/SMT QFP-32 CIP-51 8051 64 kB 8 bit 10 bit/12 bit/14 bit 72 MHz 28 I/O 4.25 kB 2.2 V 3.6 V - 40 C + 105 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
Datasheet
422In Stock
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-28 8051 16 kB 8 bit 12 bit 50 MHz 20 I/O 2.31 kB 2 V 5.25 V - 40 C + 85 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU
Datasheet
257In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-32 8051 64 kB 8 bit 48 MHz 25 I/O 4.35 kB 2.7 V 5.25 V - 40 C + 85 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU
Datasheet
6,034In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-48 8051 64 kB 8 bit 10 bit 48 MHz 40 I/O 4.25 kB 2.7 V 5.25 V - 40 C + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 50 MIPS, 64 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFN32
Datasheet
301In Stock
Min.: 1
Mult.: 1
: 1,500

8051 8 bit 1.8 V 5.25 V Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU USB-Flash-64k-ADC-TQFP48
Datasheet
9,043In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

SMD/SMT TQFP-48 8051 64 kB 8 bit 10 bit 48 MHz 40 I/O 4.25 kB 2.7 V 5.25 V - 40 C + 85 C Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8051 100 MHz 128 kB MAC 8-bit MCU
Datasheet
1,248In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 8051 128 kB 8 bit 8 bit, 12 bit 100 MHz 32 I/O 8.25 kB 3 V 3.6 V - 40 C + 85 C Tray