8051 microcontroller Microcontrollers - MCU

Results: 609
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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
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
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Packaging
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 8 bit 50 MHz 32 kB 4.25 kB 12 bit 25 I/O 1.8 V 5.25 V + 125 C AEC-Q100 Tube
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 8 bit 50 MHz 64 kB 4.25 kB 12 bit 40 I/O 1.8 V 5.25 V + 125 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU
Datasheet
107In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-48 8051 8 bit 50 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 50 MIPS, 32 kB, 4 kB, SPI, UART, I2C, QFP48
Datasheet
1In Stock
Min.: 1
Mult.: 1
: 500

SMD/SMT 8051 8 bit 50 MHz 32 kB 4.25 kB 12 bit 40 I/O 1.8 V 5.25 V + 125 C Reel, Cut Tape
Infineon Technologies 8-bit Microcontrollers - MCU 8051 8bit 67MHz 64KB
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 2,000
Mult.: 2,000
: 2,000

SMD/SMT QFN-48 8051 8 bit 67 MHz 64 kB 8 kB 20 bit 1.71 V 1.89 V + 85 C Reel
Silicon Labs 8-bit Microcontrollers - MCU 50MIPS,128KB,12ADC,100Pin MCU
Datasheet
5In Stock
1,350Expected 3/19/2027
Min.: 1
Mult.: 1

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

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU
Datasheet
14In Stock
2,500Expected 1/29/2027
Min.: 1
Mult.: 1

SMD/SMT PQFP-48 8051 8 bit 50 MHz 128 kB 8.25 kB 12 bit 40 I/O 1.8 V 5.25 V + 125 C AEC-Q100 Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU
Datasheet
149In Stock
Min.: 1
Mult.: 1

SMD/SMT QFP-48 8051 8 bit 50 MHz 64 kB 4.25 kB 12 bit 40 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 8-bit MCU
Datasheet
21In Stock
Min.: 1
Mult.: 1

SMD/SMT QFP-48 8051 8 bit 50 MHz 32 kB 4.25 kB 12 bit 40 I/O 1.8 V 5.25 V + 125 C AEC-Q100 Tray
Silicon Labs 8-bit Microcontrollers - MCU 100MIPS,128KB,12ADC,100Pin MCU
Datasheet
5In Stock
2,250Expected 9/25/2026
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 8 bit 100 MHz 128 kB 8.25 kB 8 bit, 12 bit 64 I/O 3 V 3.6 V + 85 C Tray
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 8 bit 48 MHz 64 kB 4.35 kB 40 I/O 2.7 V 5.25 V + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24
Datasheet
310In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-24 8051 8 bit 25 MHz 64 kB 4.25 kB 10 bit 16 I/O 1.8 V 3.6 V + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU
Datasheet
15In Stock
Min.: 1
Mult.: 1

SMD/SMT QFP-48 8051 8 bit 50 MHz 128 kB 8.25 kB 12 bit 40 I/O 1.8 V 5.25 V + 125 C AEC-Q100 Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 8-bit MCU
Datasheet
5In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 8051 8 bit 50 MHz 128 kB 8.25 kB 12 bit 32 I/O 2.7 V 3.6 V + 85 C Tray
Infineon Technologies 8-bit Microcontrollers - MCU 8051 8bit 67MHz 32KB
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1,500
Mult.: 1,500
: 1,500

SMD/SMT TQFP-100 8051 8 bit 67 MHz 32 kB 4 kB 20 bit 1.71 V 1.89 V + 85 C Reel
Silicon Labs 8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24
Datasheet
99In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT 8051 8 bit 25 MHz 64 kB 4.25 kB 10 bit 16 I/O 900 mV 3.6 V + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU
Datasheet
44In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-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 Tube
Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 720
Mult.: 360

SMD/SMT VQFN-44 8051 8 bit 20 MHz 8 kB 256 B No ADC 36 I/O 2.4 V 5.5 V + 85 C Tray
Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
Lead-Time 10 Weeks
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 8 bit 50 MHz 32 kB 4 kB 72 I/O 1.71 V 5.5 V + 85 C Tray
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 900
Mult.: 900

SMD/SMT TQFP-100 8051 8 bit 67 MHz 64 kB 8 kB 20 bit 70 I/O 1.71 V 1.89 V + 85 C Tray
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 8 bit 67 MHz 64 kB 8 kB 20 bit 72 I/O 1.71 V 1.89 V + 85 C Tray
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1
Mult.: 1

SMD/SMT QFN-48 8051 8 bit 67 MHz 64 kB 8 kB 12 bit 31 I/O 1.71 V 1.89 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 720
Mult.: 360

SMD/SMT VQFN-44 8051 8 bit 20 MHz 4 kB 256 B No ADC 36 I/O 2.4 V 5.5 V + 85 C Tray

Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 67MHz 8051 0.5V to 5.5V
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1,300
Mult.: 1,300

SMD/SMT QFN-68 8051 8 bit 67 MHz 32 kB 4 kB 12 bit 48 I/O 1.71 V 1.89 V + 85 C Tray
Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 600
Mult.: 600

SMD/SMT SSOP-48 8051 8 bit 50 MHz 32 kB 4 kB 12 bit 31 I/O 1.71 V 5.5 V + 85 C Tube