8051 Core Microcontrollers - MCU

Types of Microcontrollers - MCU
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Core
Data Bus Width
Maximum Clock Frequency
Program Memory Size
Data RAM Size
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Number of I/Os
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Supply Voltage - Max
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Packaging
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU
Datasheet
1,005In Stock
Min.: 1
Mult.: 1

SMD/SMT QFP-32 8051 8 bit 50 MHz 128 kB 8.25 kB 12 bit 25 I/O 1.8 V 5.25 V + 125 C AEC-Q100 Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU
Datasheet
17In Stock
800Expected 17/03/2026
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 8051 8 bit 25 MHz 32 kB 2.25 kB 12 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 8051 25 MHz 2 kB LFO 8-bit MCU
Datasheet
47In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 8051 8 bit 25 MHz 2 kB 768 B 10 bit 17 I/O 2.7 V 3.6 V + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20
Datasheet
93In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 8051 8 bit 25 MHz 8 kB 512 B 12 bit 16 I/O 2.2 V 3.6 V + 125 C Tube

Nuvoton 8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051
Datasheet
800In Stock
Min.: 1
Mult.: 1

SMD/SMT MSOP-10 8051 8 bit 24 MHz 16 kB 1 kB 12 bit 7 I/O 1.8 V 5.5 V + 105 C Tube

Nuvoton 8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051
Datasheet
666In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-20 8051 8 bit 24 MHz 16 kB 1 kB 12 bit 16 I/O 1.8 V 5.5 V + 105 C Tube
Nuvoton 8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051
Datasheet
980In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 8051 8 bit 24 MHz 16 kB 1 kB 12 bit 17 I/O 1.8 V 5.5 V + 105 C Tray
Nuvoton 8-bit Microcontrollers - MCU 64KB Flash, 4KB SRAM, 2 CHs of SPI,1T/8051,LCD,TK
Datasheet
180In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-48 8051 8 bit 24 MHz 64 kB 4 kB 12 bit 42 I/O 1.8 V 3.6 V + 105 C Tray

Nuvoton 8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM
Datasheet
600In Stock
Min.: 1
Mult.: 1

SMD/SMT MSOP-10 8051 8 bit 24 MHz 8 kB 1 kB 12 bit 8 I/O 2.4 V 5.5 V + 105 C Tube
Nuvoton 8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM
Datasheet
1,000In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-28 8051 8 bit 24 MHz 32 kB 2 kB 12 bit 26 I/O 2.4 V 5.5 V + 105 C Tube

Nuvoton 8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM
Datasheet
3,007In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-20 8051 8 bit 24 MHz 16 kB 1 kB 12 bit 18 I/O 2.4 V 5.5 V + 105 C Tube

Nuvoton 8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM
Datasheet
814In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-20 8051 8 bit 24 MHz 32 kB 2 kB 12 bit 18 I/O 2.4 V 5.5 V + 105 C Tube

Nuvoton 8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM
Datasheet
1,353In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-32 8051 8 bit 24 MHz 32 kB 2 kB 12 bit 30 I/O 2.4 V 5.5 V + 105 C Tray
Nuvoton 8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM
Datasheet
975In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-33 8051 8 bit 24 MHz 32 kB 2 kB 12 bit 30 I/O 2.4 V 5.5 V + 105 C Tray
Nuvoton 8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM 0.4mm Pitch width
Datasheet
899In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 8051 8 bit 24 MHz 16 kB 1 kB 12 bit 18 I/O 2.4 V 5.5 V + 105 C Tray

Microchip Technology 8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V - 24MHZ 5V
Datasheet
248In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 8 bit 24 MHz 32 kB 512 B No ADC 32 I/O 4 V 5.5 V + 85 C Tube

Microchip Technology 8-bit Microcontrollers - MCU SINGLE CYC 4K FLASH -20MHZ 2.4-5.5V
Datasheet
73In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-20 8051 8 bit 20 MHz 4 kB 256 B No ADC 15 I/O 2.4 V 5.5 V + 85 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU
Datasheet
274In 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
Microchip Technology 8-bit Microcontrollers - MCU C51 16K Flash ADC
Datasheet
99In Stock
Min.: 1
Mult.: 1

SMD/SMT VQFP-32 8051 8 bit 40 MHz 16 kB 512 B 10 bit 20 I/O 3 V 5.5 V + 85 C Tray

Microchip Technology 8-bit Microcontrollers - MCU C5131A 32K Flash USB Ind 3V
Datasheet
34In Stock
Min.: 1
Mult.: 1

SMD/SMT SOIC-28 8051 8 bit 48 MHz 32 kB 1 kB No ADC 18 I/O 3 V 3.6 V + 85 C Tube

Microchip Technology 8-bit Microcontrollers - MCU CTRL Boodloader UART
Datasheet
54In Stock
Min.: 1
Mult.: 1

SMD/SMT SOIC-28 8051 8 bit 40 MHz 16 kB 512 B 10 bit 20 I/O 3 V 5.5 V + 85 C Tube

Microchip Technology 8-bit Microcontrollers - MCU 32kB Flash 1280B RAM 2.7V-5.5V
Datasheet
4In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 8 bit 60 MHz 32 kB 1.25 kB No ADC 32 I/O 2.7 V 3.6 V + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU C51IC2 32Kf I2C 32KHz TQFP44 I. 3V GREEN
Datasheet
160In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 8 bit 60 MHz 32 kB 1.25 kB No ADC 34 I/O 2.7 V 3.6 V + 85 C Tray
Texas Instruments RF Microcontrollers - MCU RF Bluetooth SMART S OC with USB BLE A 5 A 595-CC2540F128RHAR
Datasheet
250In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

SMD/SMT VQFN-40 8051 8 bit 128 kB 8 kB 2 V 3.6 V + 85 C Reel, Cut Tape, MouseReel