8051 Core 8-bit Microcontrollers - MCU

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Description Datasheet Availability Pricing (KRW) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Core
Program Memory Size
Data RAM Size
Package / Case
Maximum Clock Frequency
ADC Resolution
Number of I/Os
Supply Voltage - Min
Supply Voltage - Max
Mounting Style
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Minimum Operating Temperature
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Packaging
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

8051 32 kB 2.25 kB QFN-24 50 MHz 12 bit 18 I/O 1.8 V 5.25 V SMD/SMT 8 bit - 40 C + 125 C C8051F553 AEC-Q100 Tube
Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
449In Stock
Min.: 1
Mult.: 1

8051 32 kB 4 kB QFN-48 50 MHz 12 bit 29 I/O 1.71 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C CY8C3245 Tray

Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
663In Stock
Min.: 1
Mult.: 1

8051 32 kB 4 kB QFN-68 50 MHz 12 bit 46 I/O 1.71 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C CY8C3245 Tray
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
371In Stock
Min.: 1
Mult.: 1

8051 64 kB 8 kB SSOP-48 50 MHz 12 bit 31 I/O 1.71 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C CY8C3246 Tube

Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V
Datasheet
147In Stock
Min.: 1
Mult.: 1

8051 64 kB 8 kB QFN-68 67 MHz 12 bit 28 I/O 1.71 V 1.89 V SMD/SMT 8 bit + 85 C CY8C3666 Tray

Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 4K SRAM 8bit 67 MHz
Datasheet
1,122In Stock
Min.: 1
Mult.: 1

8051 64 kB 8 kB QFN-68 67 MHz 12 bit 46 I/O 1.71 V 1.89 V SMD/SMT 8 bit - 40 C + 85 C CY8C3666 Tray
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V
Datasheet
297In Stock
Min.: 1
Mult.: 1

8051 64 kB 8 kB TQFP-100 67 MHz 20 bit 72 I/O 1.71 V 1.89 V SMD/SMT 8 bit - 40 C + 85 C CY8C3866 Tray
Infineon Technologies 8-bit Microcontrollers - MCU 8051 8bit 67MHz 64KB
Datasheet
559In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

8051 64 kB 8 kB TQFP-100 67 MHz 20 bit 72 I/O 1.71 V 1.89 V SMD/SMT 8 bit - 40 C + 85 C CY8C3866 Reel, Cut Tape, MouseReel
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V
Datasheet
237In Stock
Min.: 1
Mult.: 1

8051 64 kB 8 kB SSOP-48 67 MHz 20 bit 29 I/O 1.71 V 1.89 V SMD/SMT 8 bit - 40 C + 85 C CY8C3866 Tube
Silicon Labs 8-bit Microcontrollers - MCU 64KB,16ADC,CAN,64Pin MCU
Datasheet
2,969In Stock
Min.: 1
Mult.: 1

8051 64 kB 4.25 kB TQFP-64 25 MHz 10 bit, 2 x 16 bit 24 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F061 Tray
Silicon Labs 8-bit Microcontrollers - MCU 100MIPS,128KB,12ADC,100Pin MCU
Datasheet
471In Stock
Min.: 1
Mult.: 1
: 250

8051 128 kB 8.25 kB TQFP-100 100 MHz 8 bit, 12 bit 64 I/O 3 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F120 Reel, Cut Tape

Silicon Labs 8-bit Microcontrollers - MCU 8051 100 MHz 128 kB MAC 8-bit MCU
Datasheet
614In Stock
Min.: 1
Mult.: 1

8051 128 kB 8.25 kB TQFP-64 100 MHz 8 bit, 12 bit 32 I/O 3 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F121 Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU
Datasheet
600In Stock
Min.: 1
Mult.: 1

8051 64 kB 4.25 kB QFN-48 50 MHz 12 bit 40 I/O 1.8 V 5.25 V SMD/SMT 8 bit - 40 C + 125 C C8051F501 AEC-Q100 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU
Datasheet
5,023In Stock
Min.: 1
Mult.: 1

8051 128 kB 8.25 kB QFN-32 50 MHz 12 bit 25 I/O 1.8 V 5.25 V SMD/SMT 8 bit - 40 C + 125 C C8051F582 AEC-Q100 Tube

Lumissil 8-bit Microcontrollers - MCU Automotive MCU with 2KB SRAM and 32Kx16 ECC E-Flash, QFN-24 (4mm x 4mm)
Datasheet
2,450In Stock
Min.: 1
Mult.: 1
: 2,500

8051 32 KB 2 KB WQFN-24 25 MHz 20 I/O 2.5 V 5.5 V SMD/SMT 8 bit - 40 C + 125 C Reel, Cut Tape

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 2 kB 8-bit MCU
Datasheet
375In Stock
Min.: 1
Mult.: 1

8051 8 kB 512 B SOIC-16 25 MHz 12 bit 13 I/O 2.2 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F860 AEC-Q100 Tube

Microchip Technology 8-bit Microcontrollers - MCU 2kB Flash 128B RAM 24MHz 2.7V-6.0V
Datasheet
1,413In Stock
Min.: 1
Mult.: 1

8051 2 kB 128 B PDIP-20 24 MHz No ADC 15 I/O 4 V 6 V Through Hole 8 bit - 40 C + 85 C 89C Tube

Microchip Technology 8-bit Microcontrollers - MCU 20 PINS 2K FLASH 12MHZ 2.7 - 5.5V
Datasheet
951In 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-STICK Bootloader UART IND
Datasheet
1,539In Stock
Min.: 1
Mult.: 1

8051 32 kB 1.2 kB PLCC-44 40 MHz 10 bit 34 I/O 3 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C 89C Tube
Microchip Technology 8-bit Microcontrollers - MCU 4K ISP FLASH 2.7 TO 5.5V - 24MHz
Datasheet
4,134In Stock
Min.: 1
Mult.: 1

8051 4 kB 128 B TQFP-44 24 MHz No ADC 32 I/O 4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C 89S Tray
Microchip Technology 8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V
Datasheet
2,648In Stock
Min.: 1
Mult.: 1

8051 8 kB 256 B TQFP-44 24 MHz No ADC 32 I/O 4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C 89S Tray
Microchip Technology 8-bit Microcontrollers - MCU C51AC2 32kF ADC EEP TQFP44 ind 5V GREEN
Datasheet
332In Stock
2,720Expected 9/4/2026
Min.: 1
Mult.: 1

8051 32 kB 128 B TQFP-44 40 MHz 10 bit 34 I/O 3 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU CAN TQFP44 TRAY I. Bootloader CAN GREEN
Datasheet
922In Stock
Min.: 1
Mult.: 1

8051 32 kB 1.25 kB TQFP-44 40 MHz 10 bit 34 I/O 3 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray

Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
676In Stock
Min.: 1
Mult.: 1

8051 64 kB 256 B LQFP-44 20 MHz 10 bit 36 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 805132K ISP Flash,2.4-5.5V
Datasheet
593In Stock
Min.: 1
Mult.: 1

8051 32 kB 256 B TQFP-44 20 MHz 10 bit 40 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray