8051 Core 8 bit Embedded Processors & Controllers

Types of Embedded Processors & Controllers
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Qty. RoHS Mounting Style
Package / Case
Core
Number of I/Os
Data Bus Width
ADC Resolution
Nuvoton 8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM
Datasheet
975In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-33 8051 30 I/O 8 bit 12 bit
Nuvoton 8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM 0.4mm Pitch width
Datasheet
648In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 8051 18 I/O 8 bit 12 bit

Nuvoton 8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40 to 85
Datasheet
485In Stock
888Expected 4/20/2027
Min.: 1
Mult.: 1

SMD/SMT TSSOP-20 8051 18 I/O 8 bit 12 bit

Microchip Technology 8-bit Microcontrollers - MCU C51AC2 32K FLASHADC EEP 5V
Datasheet
20In Stock
81Expected 9/11/2026
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 34 I/O 8 bit 10 bit
Microchip Technology 8-bit Microcontrollers - MCU LO-VLTG 8K ISP FLASH -16MHZ 2.7-5.5V
Datasheet
176In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 32 I/O 8 bit No ADC
Microchip Technology 8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL
Datasheet
60In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 38 I/O 8 bit 10 bit
Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
144In Stock
1,600Expected 12/11/2026
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 36 I/O 8 bit 10 bit
Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
30In Stock
Min.: 1
Mult.: 1

SMD/SMT VQFN-44 8051 36 I/O 8 bit 10 bit

Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 805124K ISP Flash,2.4-5.5V
Datasheet
209In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-44 8051 40 I/O 8 bit 10 bit

Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
5In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-44 8051 40 I/O 8 bit 10 bit
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 21 I/O 8 bit 10 bit

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

SMD/SMT QFN-20 8051 17 I/O 8 bit 10 bit

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 32 I/O 8 bit No ADC
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 17 I/O 8 bit 16 bit
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
Datasheet
21In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-32 8051 25 I/O 8 bit 10 bit
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 25 I/O 8 bit 12 bit
Infineon Technologies 8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
33In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 70 I/O 8 bit 12 bit

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

SMD/SMT QFN-68 8051 46 I/O 8 bit 12 bit

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 46 I/O 8 bit 12 bit
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 72 I/O 8 bit 12 bit

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 48 I/O 8 bit 12 bit
Silicon Labs 8-bit Microcontrollers - MCU 64KB,10ADC,100Pin MCU
Datasheet
7In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 64 I/O 8 bit 8 bit, 10 bit

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 32 I/O 8 bit 10 bit
Silicon Labs 8-bit Microcontrollers - MCU 64KB,16ADC,100Pin MCU
Datasheet
2In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 59 I/O 8 bit 16 bit
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 64 I/O 8 bit 8 bit, 12 bit