8051 microcontroller Microcontrollers - MCU

Results: 607
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS Mounting Style
Package/Case
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
Maximum Operating Temperature
Qualification
Packaging
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1,250
Mult.: 1,250

SMD/SMT QFP-32 CIP-51 8051 8 bit 50 MHz 32 kB 2.3 kB 10 bit, 12 bit 28 I/O 2.2 V 3.6 V + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1,500
Mult.: 1,500
: 1,500

SMD/SMT QFN-32 CIP-51 8051 8 bit 50 MHz 16 kB 2.3 kB 10 bit, 12 bit 29 I/O 2.2 V 3.6 V + 125 C Reel
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1,533
Mult.: 1,533

SMD/SMT QFN-32 CIP-51 8051 8 bit 50 MHz 16 kB 2.3 kB 10 bit, 12 bit 29 I/O 2.2 V 3.6 V + 125 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 1
Mult.: 1
: 500

SMD/SMT QFP-32 CIP-51 8051 8 bit 72 MHz 16 kB 1.25 kB 10 bit/12 bit/14 bit 28 I/O 2.2 V 3.6 V + 105 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 2,500
Mult.: 2,500
: 2,500

SMD/SMT QFN-32 CIP-51 8051 8 bit 72 MHz 16 kB 1.25 kB 10 bit/12 bit/14 bit 29 I/O 2.2 V 3.6 V + 105 C Reel
Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 2,450
Mult.: 2,450

SMD/SMT QFN-32 CIP-51 8051 8 bit 72 MHz 16 kB 1.25 kB 10 bit/12 bit/14 bit 29 I/O 2.2 V 3.6 V + 105 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU
Datasheet
Lead-Time 31 Weeks
Min.: 1
Mult.: 1

SMD/SMT QFP-48 CIP-51 8051 8 bit 48 MHz 64 kB 4.25 kB 10 bit 40 I/O 3.3 V 3.3 V + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
Non-Stocked Lead-Time 29 Weeks
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-24 CIP-51 8051 8 bit 50 MHz 16 kB 2.3 kB 10 bit, 12 bit 20 I/O 2.2 V 3.6 V + 125 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
Non-Stocked Lead-Time 30 Weeks
Min.: 1
Mult.: 1
: 500

SMD/SMT QFP-32 CIP-51 8051 8 bit 50 MHz 16 kB 2.3 kB 10 bit, 12 bit 28 I/O 2.2 V 3.6 V + 85 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24
Datasheet
1,497Expected 12/11/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-24 8051 8 bit 50 MHz 16 kB 1 kB 10 bit 21 I/O 1.8 V 3.6 V + 105 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
Datasheet
1,592In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-24 8051 8 bit 50 MHz 16 kB 1 kB 10 bit 21 I/O 1.8 V 3.6 V + 105 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, TSSOP20
Datasheet
6,694Expected 01/01/2027
Min.: 1
Mult.: 1

SMD/SMT TSSOP-20 8051 8 bit 25 MHz 8 kB 256 B 12 bit 16 I/O 1.8 V 5.25 V + 125 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 32KB,12ADC,48Pin MCU
Datasheet
1,498On Order
Min.: 1
Mult.: 1

SMD/SMT TQFP-48 8051 8 bit 25 MHz 32 kB 2.25 kB 12 bit 16 I/O 2.7 V 3.6 V + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8KB/512B RAM, ADC, SOIC16
Datasheet
3,674Expected 15/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT SOIC-16 8051 8 bit 25 MHz 8 kB 512 B 12 bit 13 I/O 2.2 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8kB/256B RAM, 2% osc, QFN11 OTP available (T601-GM)
Datasheet
3,000Expected 27/11/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-11 8051 8 bit 25 MHz 8 kB 256 B No ADC 8 I/O 2.7 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
NXP Semiconductors ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core
Datasheet
998Expected 21/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

SMD/SMT LQFP-80 ARM Cortex M3 32 bit 100 MHz 128 kB 32 kB 12 bit 52 I/O 3.3 V 3.3 V + 85 C Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB LFO 8-bit MCU
Datasheet
1,911Expected 16/10/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-20 8051 8 bit 25 MHz 8 kB 768 B 10 bit 17 I/O 2.7 V 3.6 V + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU
Datasheet
425Expected 30/10/2026
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 8 bit 25 MHz 64 kB 4.25 kB 8 bit, 12 bit 64 I/O 2.7 V 3.6 V + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8kB/768B RAM, QFN20 OTP available (T631-GM)
Datasheet
1,500Expected 16/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-20 8051 8 bit 25 MHz 8 kB 768 B No ADC 17 I/O 2.7 V 3.6 V + 85 C Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V 8-bit MCU
Datasheet
1,551Expected 01/01/2027
Min.: 1
Mult.: 1

SMD/SMT TSSOP-20 8051 8 bit 25 MHz 8 kB 256 B 12 bit 16 I/O 2 V 5.25 V + 125 C AEC-Q100 Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU
Datasheet
246Expected 08/09/2026
Min.: 1
Mult.: 1
: 250

SMD/SMT TQFP-100 8051 8 bit 25 MHz 64 kB 4.25 kB 10 bit 64 I/O 2.7 V 3.6 V + 85 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU
Datasheet
810Expected 29/01/2027
Min.: 1
Mult.: 1

SMD/SMT QFN-48 8051 8 bit 24 MHz 128 kB 8.25 kB 12 bit 40 I/O 1.8 V 5.25 V + 125 C AEC-Q100 Tube
Silicon Labs 8-bit Microcontrollers - MCU USB-Flash-16k-ADC-QFN32
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,500
Mult.: 1,500
: 1,500

Reel

Silicon Labs 8-bit Microcontrollers - MCU 16kB/1kB RAM, QFN24
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,500
Mult.: 1,500
: 1,500

Reel
Silicon Labs 8-bit Microcontrollers - MCU 8kB/1kB RAM, QFN24
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,500
Mult.: 1,500
: 1,500

Reel