8051 Core 8-bit Microcontrollers - MCU

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Qty. RoHS ECAD Model Core
Program Memory Size
Data RAM Size
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Maximum Clock Frequency
ADC Resolution
Number of I/Os
Supply Voltage - Min
Supply Voltage - Max
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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

8051 32 kB 2.25 kB TQFP-64 25 MHz 12 bit 32 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F005 Tray
Silicon Labs 8-bit Microcontrollers - MCU 64KB,16ADC,100Pin MCU
Datasheet
2In Stock
Min.: 1
Mult.: 1

8051 64 kB 4.25 kB TQFP-100 25 MHz 16 bit 59 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F064 Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 2 kB LFO 8-bit MCU
Datasheet
47In Stock
Min.: 1
Mult.: 1

8051 2 kB 768 B QFN-20 25 MHz 10 bit 17 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F334 Tube

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

8051 8 kB 512 B QFN-20 25 MHz 12 bit 16 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 125 C C8051F850 Tube

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

8051 16 kB 1 kB MSOP-10 24 MHz 12 bit 7 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 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

8051 16 kB 1 kB TSSOP-20 24 MHz 12 bit 16 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 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

8051 16 kB 1 kB QFN-20 24 MHz 12 bit 17 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 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

8051 64 kB 4 kB LQFP-48 24 MHz 12 bit 42 I/O 1.8 V 3.6 V SMD/SMT 8 bit - 40 C + 105 C Tray

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

8051 8 kB 1 kB MSOP-10 24 MHz 12 bit 8 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C Tube
Nuvoton 8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM
Datasheet
1.000In Stock
Min.: 1
Mult.: 1

8051 32 kB 2 kB TSSOP-28 24 MHz 12 bit 26 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C Tube

Nuvoton 8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM
Datasheet
3.007In Stock
Min.: 1
Mult.: 1

8051 16 kB 1 kB TSSOP-20 24 MHz 12 bit 18 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C Tube

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

8051 32 kB 2 kB TSSOP-20 24 MHz 12 bit 18 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C Tube

Nuvoton 8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM
Datasheet
1.353In Stock
Min.: 1
Mult.: 1

8051 32 kB 2 kB LQFP-32 24 MHz 12 bit 30 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C Tray
Nuvoton 8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM
Datasheet
975In Stock
Min.: 1
Mult.: 1

8051 32 kB 2 kB QFN-33 24 MHz 12 bit 30 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C Tray
Nuvoton 8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM 0.4mm Pitch width
Datasheet
899In Stock
Min.: 1
Mult.: 1

8051 16 kB 1 kB QFN-20 24 MHz 12 bit 18 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C Tray

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

8051 2 kB 128 B PDIP-20 12 MHz No ADC 15 I/O 2.7 V 6 V Through Hole 8 bit - 40 C + 85 C 89C Tube

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

8051 64 kB 2 kB PLCC-44 60 MHz 10 bit 36 I/O 3 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C 89C Tube

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

8051 64 kB 2 kB PLCC-44 60 MHz 10 bit 36 I/O 3 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C 89C Tube
Microchip Technology 8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind
Datasheet
77In Stock
140Expected 03/03/2026
Min.: 1
Mult.: 1

8051 16 kB 1.25 kB PDIP-40 60 MHz No ADC 32 I/O 2.7 V 5.5 V Through Hole 8 bit - 40 C + 85 C 89C Tube

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

8051 64 kB 2 kB PLCC-44 60 MHz 34 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Reel, Cut Tape

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

8051 2 kB 256 B PDIP-20 20 MHz No ADC 15 I/O 2.4 V 5.5 V Through Hole 8 bit - 40 C + 85 C 89LP Tube

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

8051 4 kB 256 B TSSOP-20 20 MHz No ADC 15 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C 89LP Tube

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

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

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

8051 64 kB 4.25 kB QFP-32 50 MHz 12 bit 25 I/O 1.8 V 5.25 V SMD/SMT 8 bit - 40 C + 125 C C8051F502 AEC-Q100 Tray
Silicon Labs 8-bit Microcontrollers - MCU USB-Flash-64k-ADC-QFN32 OTP available (T626-GM)
Datasheet
90In Stock
Min.: 1
Mult.: 1
Reel: 1.500

8051 64 kB 4.25 kB QFN-32 48 MHz 10 bit 25 I/O 2.7 V 5.25 V SMD/SMT 8 bit - 40 C + 85 C C8051F381 Reel, Cut Tape