8051 Core Microcontrollers - MCU

Types of Microcontrollers - MCU
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Data Bus Width
Maximum Clock Frequency
Program Memory Size
Data RAM Size
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Supply Voltage - Max
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Nuvoton 8-bit Microcontrollers - MCU 32KB Flash ROM, 2KB SRAM, 2 CHs of SPI,1T/8051
Datasheet
368In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-32 8051 8 bit 24 MHz 32 kB 2 kB 12 bit 28 I/O 1.8 V 5.5 V + 105 C Tray

Nuvoton 8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 4KB LDROM
Datasheet
402In 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 64KB Flash, 4KB SRAM, 2 CHs of SPI,1T/8051,LCD,TK
Datasheet
500In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 8051 8 bit 24 MHz 64 kB 4 kB 12 bit 55 I/O 1.8 V 3.6 V + 105 C Tray

Nuvoton 8-bit Microcontrollers - MCU 8K Bytes Shared with LDROM
Datasheet
950In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-14 8051 8 bit 24 MHz 8 kB 1 kB 12 bit 12 I/O 2.4 V 5.5 V + 105 C Tube
Microchip Technology 8-bit Microcontrollers - MCU LOW VOLTAGE 4K ISP FLASH-16MHZ 4-5.5V
Datasheet
133In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 8 bit 16 MHz 4 kB 128 B No ADC 32 I/O 2.7 V 4 V + 85 C Tray
Nuvoton 8-bit Microcontrollers - MCU 64KB Flash ROM, 4KB SRAM, 2 CHs of SPI,1T/8051
Datasheet
130In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-48 8051 8 bit 24 MHz 64 kB 4 kB 12 bit 43 I/O 1.8 V 3.6 V + 105 C Tray
Nuvoton 8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40? to 85?
Datasheet
1.126In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT QFN-20 8051 8 bit 16 MHz 18 kB 256 B 12 bit 18 I/O 2.4 V 5.5 V + 105 C Reel, Cut Tape, MouseReel

Microchip Technology 8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL
Datasheet
404In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 8 bit 20 MHz 4 kB 256 B No ADC 36 I/O 2.4 V 5.5 V + 85 C Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
116In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-40 8051 8 bit 18 MHz 64 kB 256 B No ADC 32 I/O 2.7 V 5.5 V + 70 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
360In Stock
Min.: 1
Mult.: 1

SMD/SMT VQFN-44 8051 8 bit 20 MHz 64 kB 256 B 10 bit 36 I/O 2.4 V 5.5 V + 85 C Tray

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
101In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 8 bit 18 MHz 64 kB 256 B No ADC 32 I/O 2.7 V 5.5 V + 85 C Tube
Texas Instruments RF Microcontrollers - MCU RF Bluetooth SMART S OC with USB BLE A 5 A 595-CC2540F128RHAT
Datasheet
1.568In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

SMD/SMT VQFN-40 8051 8 bit 128 kB 8 kB 21 I/O 2 V 3.6 V + 85 C Reel, Cut Tape, MouseReel

Microchip Technology 8-bit Microcontrollers - MCU Bootloader CAN
Datasheet
105In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 8 bit 40 MHz 32 kB 1.2 kB 10 bit 34 I/O 3 V 5.5 V + 85 C Tube

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
39In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 8 bit 33 MHz 64 kB 256 B No ADC 32 I/O 4.5 V 5.5 V + 70 C Tube
Silicon Labs RF Microcontrollers - MCU RF+MCU 8051 25 MHz 32 kB +13 dBm
Datasheet
171In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-36 8051 8 bit 25 MHz 64 kB 4 kB 10 bit 11 I/O 1.8 V 3.6 V + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
Datasheet
422In Stock
Min.: 1
Mult.: 1
: 1.500

SMD/SMT QFN-28 8051 8 bit 50 MHz 16 kB 2.31 kB 12 bit 20 I/O 2 V 5.25 V + 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

SMD/SMT QFN-32 8051 8 bit 48 MHz 64 kB 4.35 kB 25 I/O 2.7 V 5.25 V + 85 C Tube
Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
195In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-48 8051 8 bit 50 MHz 32 kB 4 kB 12 bit 31 I/O 1.71 V 5.5 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL
Datasheet
315In Stock
Min.: 1
Mult.: 1

SMD/SMT VQFN-44 8051 8 bit 20 MHz 32 kB 4.25 kB 10 bit 38 I/O 2.4 V 3.6 V + 85 C Tray

Microchip Technology 8-bit Microcontrollers - MCU Sngle-Cycle 8051 32K ISP Flsh,2.4-5.5V
Datasheet
294In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-44 8051 8 bit 20 MHz 32 kB 256 B 10 bit 40 I/O 2.4 V 5.5 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU Keybrd & Embedded Cntlr
Datasheet
231In Stock
Min.: 1
Mult.: 1

SMD/SMT VTQFP-128 8051 8 bit 32 MHz 64 kB 10 bit 56 I/O 3.3 V 3.3 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V
Datasheet
7.114In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-40 8051 8 bit 24 MHz 8 kB 256 B No ADC 32 I/O 4 V 5.5 V + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU C51ID2 64kF 32KHz TQFP44 3-5.5V I. GREEN
Datasheet
2.002In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 8 bit 60 MHz 64 kB 2 kB No ADC 34 I/O 2.7 V 5.5 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU MCUs AT89x, 64KB Flash, TQFP-44
Datasheet
59In Stock
2.000Expected 29/07/2026
Min.: 1
Mult.: 1
: 2.000

SMD/SMT TQFP-44 8051 8 bit 60 MHz 64 kB 2 kB 34 I/O 2.7 V 5.5 V + 85 C Reel, Cut Tape

Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
3.308In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 8 bit 20 MHz 64 kB 256 B 10 bit 40 I/O 2.4 V 5.5 V + 85 C Tube