8051 Core 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
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 25 I/O 8 bit 12 bit

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU
Datasheet
17In Stock
800Expected 20/04/2026
Min.: 1
Mult.: 1

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

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

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

SMD/SMT QFN-20 8051 16 I/O 8 bit 12 bit

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 7 I/O 8 bit 12 bit

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 16 I/O 8 bit 12 bit
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 17 I/O 8 bit 12 bit
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 42 I/O 8 bit 12 bit

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

SMD/SMT MSOP-10 8051 8 I/O 8 bit 12 bit
Nuvoton 8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM
Datasheet
1,000In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-28 8051 26 I/O 8 bit 12 bit

Nuvoton 8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM
Datasheet
3,007In 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
814In 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
1,353In 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
899In Stock
Min.: 1
Mult.: 1

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

Microchip Technology 8-bit Microcontrollers - MCU 20 PINS 2K FLASH 12MHZ 2.7 - 5.5V
Datasheet
671In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-20 8051 15 I/O 8 bit No ADC

Microchip Technology 8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT
Datasheet
97In Stock
Min.: 1
Mult.: 1

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

Microchip Technology 8-bit Microcontrollers - MCU CAN C51 64K FLASH UAR BOOT
Datasheet
134In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 36 I/O 8 bit 10 bit
Microchip Technology 8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind
Datasheet
77In Stock
140Expected 03/03/2026
Min.: 1
Mult.: 1

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

Microchip Technology 8-bit Microcontrollers - MCU C51RD2 64K FLASH 3-5.5V
Datasheet
136In Stock
Min.: 1
Mult.: 1
Reel: 500

SMD/SMT PLCC-44 8051 34 I/O 8 bit

Microchip Technology 8-bit Microcontrollers - MCU SINGLE CYCLE 2K FLASH 20MHZ 2.4-5.5V
Datasheet
265In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-20 8051 15 I/O 8 bit No ADC

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 15 I/O 8 bit No ADC

Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
160In Stock
160Expected 16/04/2026
Min.: 1
Mult.: 1

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

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V CAN LIN 8-bit MCU
Datasheet
46In Stock
1,250Expected 27/03/2026
Min.: 1
Mult.: 1

SMD/SMT QFP-32 8051 25 I/O 8 bit 12 bit