8051 Core Microcontrollers - MCU

Types of Microcontrollers - MCU
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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

Infineon Technologies 8-bit Microcontrollers - MCU PSoC 32KB FLASH 1.7-5.5V 38 I/O
Datasheet
23In Stock
Min.: 1
Mult.: 1
: 2,000

SMD/SMT QFN-68 8051 8 bit 50 MHz 64 kB 8 kB 12 bit 46 I/O 1.71 V 5.5 V + 85 C Reel, Cut Tape
Infineon Technologies 8-bit Microcontrollers - MCU PSoC 64KB FLASH 1.7-5.5V 62 I/O
Datasheet
113In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT TQFP-100 8051 8 bit 50 MHz 64 kB 8 kB 12 bit 72 I/O 1.71 V 5.5 V + 85 C Reel, Cut Tape, MouseReel

Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
6In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-68 8051 8 bit 50 MHz 64 kB 8 kB 12 bit 48 I/O 1.71 V 5.5 V + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 64KB,10ADC,100Pin MCU
Datasheet
7In Stock
Min.: 1
Mult.: 1

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

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU
Datasheet
6In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 8051 8 bit 25 MHz 64 kB 4.25 kB 10 bit 32 I/O 2.7 V 3.6 V + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 64KB,16ADC,100Pin MCU
Datasheet
2In Stock
Min.: 1
Mult.: 1

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

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 8 bit 50 MHz 128 kB 8.25 kB 8 bit, 10 bit 32 I/O 2.7 V 3.6 V + 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 8 bit 100 MHz 128 kB 8.25 kB 10 bit 32 I/O 3 V 3.6 V + 85 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 100MIPS,64KB,10ADC,100Pin MCU
Datasheet
60In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 8 bit 100 MHz 64 kB 8.25 kB 10 bit 64 I/O 3 V 3.6 V + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU USB-Flash-32k-ADC-TQFP48
Datasheet
298In Stock
Min.: 1
Mult.: 1
: 500

SMD/SMT TQFP-48 8051 8 bit 48 MHz 32 kB 2.25 kB 10 bit 40 I/O 2.7 V 5.25 V + 85 C Reel, Cut Tape
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 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 64 kB 5 V 8-bit MCU
Datasheet
20In 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 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

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 50 MIPS, 32 kB, 4 kB, SPI, UART, I2C, QFP48
Datasheet
21In 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
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 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 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 8 bit 50 MHz 128 kB 8.25 kB 12 bit 40 I/O 1.8 V 5.25 V + 125 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24
Datasheet
305In 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 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
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed Microcontroller
Datasheet
11In Stock
50Expected 9/10/2026
Min.: 1
Mult.: 1
Max.: 61

Through Hole PDIP-40 8051 8 bit 25 MHz 64 kB 256 B No ADC 32 I/O 4 V 5.5 V + 70 C Tube

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed Microcontroller
Datasheet
79In Stock
Min.: 1
Mult.: 1
Max.: 79

SMD/SMT PLCC-44 8051 8 bit 25 MHz 64 kB 256 B No ADC 32 I/O 4 V 5.5 V + 70 C Tube