8051 microcontroller Microcontrollers - MCU

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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
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 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU
Datasheet
397In Stock
2,500Expected 29/01/2027
Min.: 1
Mult.: 1

SMD/SMT PQFP-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 AEC-Q100 Tray

Silicon Labs 8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32
Datasheet
63In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-32 8051 32 kB 8 bit 10 bit 25 MHz 24 I/O 4.25 kB 900 mV 3.6 V - 40 C + 85 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU
Datasheet
181In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-48 8051 64 kB 8 bit 12 bit 50 MHz 40 I/O 4.25 kB 1.8 V 5.25 V - 40 C + 125 C AEC-Q100 Tube
Silicon Labs 8-bit Microcontrollers - MCU 50MIPS,128KB,12ADC,100Pin MCU
Datasheet
74In Stock
1,350Expected 04/12/2026
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 128 kB 8 bit 8 bit, 12 bit 50 MHz 64 I/O 8.25 kB 2.7 V 3.6 V - 40 C + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU
Datasheet
379In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

SMD/SMT TQFP-64 8051 64 kB 8 bit 8 bit, 12 bit 25 MHz 32 I/O 4.35 kB 2.7 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM)
Datasheet
90In Stock
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-32 8051 64 kB 8 bit 10 bit 48 MHz 25 I/O 4.25 kB 2.7 V 5.25 V - 40 C + 85 C Reel, Cut Tape

Silicon Labs 8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20
Datasheet
559In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

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 Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU
Datasheet
133In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 8051 64 kB 8 bit 8 bit, 12 bit 25 MHz 32 I/O 4.35 kB 2.7 V 3.6 V - 40 C + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU
Datasheet
57In Stock
Min.: 1
Mult.: 1

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 Tube
Silicon Labs 8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32
Datasheet
1,244In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-32 8051 64 kB 8 bit 10 bit 25 MHz 24 I/O 4.25 kB 1.8 V 3.6 V - 40 C + 85 C Tube
Texas Instruments 32-bit Microcontrollers - MCU Piccolo MicroCntlr
Datasheet
26In Stock
714On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-80 C28x 32 kB 32 bit 12 bit 60 MHz 42 I/O 8 kB 1.8 V 1.8 V - 40 C + 125 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8kB/768B RAM, 10b ADC, 10b DAC, QFN20 OTP available (T630-GM)
Datasheet
24In Stock
1,500Expected 23/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-20 8051 8 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 64KB,16ADC,100Pin MCU
Datasheet
2In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 64 kB 8 bit 16 bit 25 MHz 59 I/O 4.25 kB 2.7 V 3.6 V - 40 C + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 100 MHz 128 kB MAC 8-bit MCU
Datasheet
20In Stock
Min.: 1
Mult.: 1
: 500

SMD/SMT TQFP-64 8051 128 kB 8 bit 10 bit 100 MHz 32 I/O 8.25 kB 3 V 3.6 V - 40 C + 85 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU
Datasheet
6In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-32 8051 32 kB 8 bit 12 bit 50 MHz 25 I/O 4.25 kB 1.8 V 5.25 V - 40 C + 125 C AEC-Q100 Tube
Silicon Labs 8-bit Microcontrollers - MCU 100MIPS,64KB,10ADC,100Pin MCU
Datasheet
60In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 64 kB 8 bit 10 bit 100 MHz 64 I/O 8.25 kB 3 V 3.6 V - 40 C + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU
Datasheet
11In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 8051 64 kB 8 bit 10 bit 25 MHz 32 I/O 4.25 kB 2.7 V 3.6 V - 40 C + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 50 MIPS, 32 kB, 4 kB, SPI, UART, I2C, QFP48
Datasheet
21In Stock
Min.: 1
Mult.: 1
: 500

SMD/SMT 8051 32 kB 8 bit 12 bit 50 MHz 40 I/O 4.25 kB 1.8 V 5.25 V - 40 C + 125 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU
Datasheet
103In Stock
Min.: 1
Mult.: 1
: 1,500

SMD/SMT QFN-28 8051 8 kB 8 bit 16 bit 50 MHz 17 I/O 768 B 2.7 V 3.6 V - 40 C + 85 C Reel, Cut Tape

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 8-bit MCU
Datasheet
6In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 8051 128 kB 8 bit 8 bit, 10 bit 50 MHz 32 I/O 8.25 kB 2.7 V 3.6 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, QFP48
Datasheet
23In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

SMD/SMT TQFP-48 8051 64 kB 8 bit 12 bit 50 MHz 40 I/O 4.25 kB 1.8 V 5.25 V - 40 C + 125 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU
Datasheet
202In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-48 8051 64 kB 8 bit 48 MHz 40 I/O 4.35 kB 2.7 V 5.25 V - 40 C + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 50 MIPS, 128 kB, 8 kB, SPI, 2xUART, I2C, QFP48
Datasheet
15In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

SMD/SMT QFN-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
Silicon Labs 8-bit Microcontrollers - MCU 64KB,10ADC,100Pin MCU
Datasheet
7In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 64 kB 8 bit 8 bit, 10 bit 25 MHz 64 I/O 4.35 kB 2.7 V 3.6 V - 40 C + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU
Datasheet
21In Stock
Min.: 1
Mult.: 1

SMD/SMT QFP-48 8051 32 kB 8 bit 12 bit 50 MHz 40 I/O 4.25 kB 1.8 V 5.25 V - 40 C + 125 C AEC-Q100 Tray