8051 Core 8 bit Embedded Processors & Controllers

Types of Embedded Processors & Controllers
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Number of I/Os
Data Bus Width
ADC Resolution

Nuvoton 8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM
Datasheet
5In Stock
5,106On Order
Min.: 1
Mult.: 1

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

Nuvoton 8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM
Datasheet
744In Stock
Min.: 1
Mult.: 1

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

Nuvoton 8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM
Datasheet
676In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-32 8051 30 I/O 8 bit 12 bit
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
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
Analog Devices / Maxim Integrated Microprocessors - MPU 128k Soft Microprocessor Chip
Datasheet
11In Stock
Min.: 1
Mult.: 1
Max.: 11

SMD/SMT MQFP-80 8051 32 I/O 8 bit
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed Microcontroller
Datasheet
11In Stock
50Expected 11/23/2026
Min.: 1
Mult.: 1
Max.: 11

Through Hole PDIP-40 8051 32 I/O 8 bit No ADC

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 32 I/O 8 bit No ADC

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU MICRO HS 44PLCC 25MHZ IND T&R PB-FR
Datasheet
46In Stock
Min.: 1
Mult.: 1
Max.: 46

SMD/SMT PLCC-44 8051 32 I/O 8 bit No ADC
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
8In Stock
Min.: 1
Mult.: 1
Max.: 8

Through Hole PDIP-40 8051 32 I/O 8 bit No ADC

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
56In Stock
Min.: 1
Mult.: 1
Max.: 56

SMD/SMT PLCC-44 8051 32 I/O 8 bit No ADC

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers
Datasheet
36In Stock
Min.: 1
Mult.: 1
Max.: 36

SMD/SMT PLCC-44 8051 32 I/O 8 bit No ADC

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