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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Nuvoton 8-bit Microcontrollers - MCU 8K Bytes Shared with LDROM
Datasheet
950In Stock
Min.: 1
Mult.: 1

8051 8 kB 1 kB TSSOP-14 24 MHz 12 bit 12 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C Tube
Microchip Technology 8-bit Microcontrollers - MCU LOW VOLTAGE 4K ISP FLASH-16MHZ 4-5.5V
Datasheet
133In Stock
Min.: 1
Mult.: 1

8051 4 kB 128 B TQFP-44 16 MHz No ADC 32 I/O 2.7 V 4 V SMD/SMT 8 bit - 40 C + 85 C 89LS Tray
Nuvoton 8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40? to 85?
Datasheet
1.126In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

8051 18 kB 256 B QFN-20 16 MHz 12 bit 18 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C Reel, Cut Tape, MouseReel

Microchip Technology 8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL
Datasheet
404In Stock
Min.: 1
Mult.: 1

8051 4 kB 256 B PLCC-44 20 MHz No ADC 36 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
116In Stock
Min.: 1
Mult.: 1

8051 64 kB 256 B PDIP-40 18 MHz No ADC 32 I/O 2.7 V 5.5 V Through Hole 8 bit 0 C + 70 C DS80C323 Tube
Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
360In Stock
Min.: 1
Mult.: 1

8051 64 kB 256 B VQFN-44 20 MHz 10 bit 36 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
101In Stock
Min.: 1
Mult.: 1

8051 64 kB 256 B PLCC-44 18 MHz No ADC 32 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C DS80C323 Tube

Microchip Technology 8-bit Microcontrollers - MCU Bootloader CAN
Datasheet
105In 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

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
41In Stock
Min.: 1
Mult.: 1

8051 64 kB 256 B PLCC-44 33 MHz No ADC 32 I/O 4.5 V 5.5 V SMD/SMT 8 bit 0 C + 70 C DS80C320 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
Datasheet
422In Stock
Min.: 1
Mult.: 1
: 1.500

8051 16 kB 2.31 kB QFN-28 50 MHz 12 bit 20 I/O 2 V 5.25 V SMD/SMT 8 bit - 40 C + 85 C C8051F413 Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU
Datasheet
257In Stock
Min.: 1
Mult.: 1

8051 64 kB 4.35 kB QFN-32 48 MHz 25 I/O 2.7 V 5.25 V SMD/SMT 8 bit - 40 C + 85 C C8051F385 Tube
Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
195In Stock
Min.: 1
Mult.: 1

8051 32 kB 4 kB QFN-48 50 MHz 12 bit 31 I/O 1.71 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C CY8C3245 Tray
Microchip Technology 8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL
Datasheet
315In Stock
Min.: 1
Mult.: 1

8051 32 kB 4.25 kB VQFN-44 20 MHz 10 bit 38 I/O 2.4 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C Tray

Microchip Technology 8-bit Microcontrollers - MCU Sngle-Cycle 8051 32K ISP Flsh,2.4-5.5V
Datasheet
294In Stock
Min.: 1
Mult.: 1

8051 32 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
Microchip Technology 8-bit Microcontrollers - MCU Keybrd & Embedded Cntlr
Datasheet
231In Stock
Min.: 1
Mult.: 1

8051 64 kB VTQFP-128 32 MHz 10 bit 56 I/O 3.3 V 3.3 V SMD/SMT 8 bit 0 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V
Datasheet
7.114In Stock
Min.: 1
Mult.: 1

8051 8 kB 256 B PDIP-40 24 MHz No ADC 32 I/O 4 V 5.5 V Through Hole 8 bit - 40 C + 85 C 89S Tube
Microchip Technology 8-bit Microcontrollers - MCU C51ID2 64kF 32KHz TQFP44 3-5.5V I. GREEN
Datasheet
2.002In Stock
Min.: 1
Mult.: 1

8051 64 kB 2 kB TQFP-44 60 MHz No ADC 34 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU MCUs AT89x, 64KB Flash, TQFP-44
Datasheet
59In Stock
2.000Expected 7/29/2026
Min.: 1
Mult.: 1
: 2.000

8051 64 kB 2 kB TQFP-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 64KB 20MHz 2.4V-5.5V
Datasheet
3.308In Stock
Min.: 1
Mult.: 1

8051 64 kB 256 B PLCC-44 20 MHz 10 bit 40 I/O 2.4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C Tube
Infineon Technologies 8-bit Microcontrollers - MCU PSoC 32KB FLASH 1.7-5.5V 25 I/O
Datasheet
2.655In Stock
Min.: 1
Mult.: 1
: 2.000

8051 QFN-48 SMD/SMT 8 bit CY8C3245 Reel, Cut Tape
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
2.600In Stock
Min.: 1
Mult.: 1

8051 64 kB 8 kB QFN-48 50 MHz 12 bit 31 I/O 1.71 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C CY8C3446 Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU
Datasheet
845In Stock
Min.: 1
Mult.: 1

8051 64 kB 4.25 kB TQFP-64 25 MHz 10 bit 32 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F043 Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU
Datasheet
7.057In Stock
Min.: 1
Mult.: 1

8051 64 kB 4.25 kB TQFP-48 48 MHz 10 bit 40 I/O 2.7 V 5.25 V SMD/SMT 8 bit - 40 C + 85 C C8051F380 Tray
Silicon Labs 8-bit Microcontrollers - MCU USB-Flash-64k-ADC-TQFP48
Datasheet
9.573In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

8051 64 kB 4.25 kB TQFP-48 48 MHz 10 bit 40 I/O 2.7 V 5.25 V SMD/SMT 8 bit - 40 C + 85 C C8051F380 Reel, Cut Tape, MouseReel

Lumissil 8-bit Microcontrollers - MCU MCU with 2KB SRAM and 32Kx16 ECC E-Flash, QFN-24 (4mm x 4mm) 2.500In 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 + 85 C Reel, Cut Tape