8051 microcontroller Embedded Processors & Controllers

Types of Embedded Processors & Controllers
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Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS Product Type
Mounting Style
Package / Case
Core
Data Bus Width
Maximum Clock Frequency
Program Memory Size
Data RAM Size
ADC Resolution
Number of I/Os
Minimum Operating Temperature
Maximum Operating Temperature
Qualification
Packaging
NXP Semiconductors ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core
Datasheet
830In Stock
1,190Expected 11/16/2026
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT LQFP-80 ARM Cortex M3 32 bit 100 MHz 128 kB 32 kB 12 bit 52 I/O - 40 C + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
Datasheet
4,409In Stock
5,000Expected 8/18/2026
Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU SMD/SMT QFP-32 CIP-51 8051 8 bit 72 MHz 64 kB 4.25 kB 10 bit/12 bit/14 bit 28 I/O - 40 C + 105 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
Datasheet
2,377In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

8-bit Microcontrollers - MCU SMD/SMT QFN-28 8051 8 bit 50 MHz 32 kB 2.25 kB 12 bit 20 I/O - 40 C + 85 C Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU
Datasheet
3,041In Stock
Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU SMD/SMT QFN-20 8051 8 bit 25 MHz 16 kB 768 B 10 bit 17 I/O - 40 C + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
Datasheet
2,520Expected 9/1/2026
Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU SMD/SMT QFN-20 CIP-51 8051 8 bit 25 MHz 8 kB 512 B 12 bit 16 I/O - 40 C + 125 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
Datasheet
4,991Expected 9/15/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

8-bit Microcontrollers - MCU SMD/SMT SOIC-16 CIP-51 8051 8 bit 25 MHz 8 kB 512 B 12 bit 13 I/O - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
Datasheet
2,430Expected 9/4/2026
Min.: 1
Mult.: 1
: 2,500

8-bit Microcontrollers - MCU SMD/SMT QFN-32 CIP-51 8051 8 bit 50 MHz 64 kB 4.35 kB 10 bit, 12 bit 29 I/O - 40 C + 125 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 10/16/2026
Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU SMD/SMT QFP-32 CIP-51 8051 8 bit 72 MHz 32 kB 2.25 kB 10 bit/12 bit/14 bit 28 I/O - 40 C + 105 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 8-bit MCU
Datasheet
1,120In Stock
Min.: 1
Mult.: 1
: 1,500

8-bit Microcontrollers - MCU SMD/SMT QFN-24 8051 8 bit 25 MHz 8 kB 1.25 kB 10 bit 25 I/O - 40 C + 85 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
1In Stock
Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU SMD/SMT QFN-28 CIP-51 8051 8 bit 50 MHz 16 kB 2.3 kB 12 bit 22 I/O - 40 C + 125 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 9/1/2026
Min.: 1
Mult.: 1
: 1,500

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

8-bit Microcontrollers - MCU SMD/SMT SOIC-20 8051 8 bit 12 MHz 4 kB 128 B No ADC 15 I/O - 40 C + 85 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8kB/256B RAM, 8b ADC, 2% osc, QFN11 OTP available (T600-GM)
Datasheet
902In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

8-bit Microcontrollers - MCU SMD/SMT QFN-11 8051 8 bit 25 MHz 8 kB 256 B 8 bit 8 I/O - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU
Datasheet
3,007In Stock
Min.: 1
Mult.: 1
: 1,500

8-bit Microcontrollers - MCU SMD/SMT QFN-28 8051 8 bit 25 MHz 16 kB 1.54 kB 15 I/O - 40 C + 85 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 50 MIPS, 128 kB, 8 kB, CAN2.0, LIN 2.1, SPI, 2xUART, I2C, QFP48
Datasheet
4,433In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

8-bit Microcontrollers - MCU SMD/SMT TQFP-48 8051 8 bit 50 MHz 128 kB 8.25 kB 12 bit 40 I/O - 40 C + 125 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

8-bit Microcontrollers - MCU SMD/SMT QFN-32 16 kB 1.28 kB 16 I/O - 40 C + 85 C 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

8-bit Microcontrollers - MCU SMD/SMT QFN-24 8051 8 bit 25 MHz 16 kB 768 B 10 bit 21 I/O - 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 11/5/2026
Min.: 1
Mult.: 1
: 2,500

8-bit Microcontrollers - MCU SMD/SMT QFN-32 16 kB 1.28 kB 16 I/O - 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

8-bit Microcontrollers - MCU SMD/SMT TQFP-100 8051 8 bit 50 MHz 128 kB 8.25 kB 64 I/O - 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

8-bit Microcontrollers - MCU SMD/SMT QFN-20 8051 8 bit 25 MHz 8 kB 512 B 12 bit 16 I/O - 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

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

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V LIN 8-bit MCU
Datasheet
1,798In Stock
Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU SMD/SMT QFN-20 8051 8 bit 25 MHz 8 kB 256 B 12 bit 16 I/O - 40 C + 125 C AEC-Q100 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

8-bit Microcontrollers - MCU SMD/SMT TQFP-100 8051 8 bit 100 MHz 128 kB 8.25 kB 64 I/O - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
Datasheet
422In Stock
Min.: 1
Mult.: 1
: 1,500

8-bit Microcontrollers - MCU SMD/SMT QFN-28 8051 8 bit 50 MHz 16 kB 2.31 kB 12 bit 20 I/O - 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

8-bit Microcontrollers - MCU SMD/SMT QFN-32 8051 8 bit 48 MHz 64 kB 4.35 kB 25 I/O - 40 C + 85 C Tube