8051 Core 8-bit Microcontrollers - MCU

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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
Data Bus Width
Minimum Operating Temperature
Maximum Operating Temperature
Series
Qualification
Packaging
Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
280In 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
Microchip Technology 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Datasheet
106In Stock
Min.: 1
Mult.: 1

8051 64 kB 256 B PDIP-40 20 MHz 10 bit 40 I/O 2.4 V 5.5 V Through Hole 8 bit - 40 C + 85 C Tube

Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 805124K ISP Flash,2.4-5.5V
Datasheet
260In Stock
Min.: 1
Mult.: 1

8051 24 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 64KB 20MHz 2.4V-5.5V
Datasheet
249In Stock
Min.: 1
Mult.: 1

8051 64 kB 256 B PDIP-40 20 MHz 10 bit 40 I/O 2.4 V 5.5 V Through Hole 8 bit - 40 C + 85 C Tube

Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU
Datasheet
211In Stock
Min.: 1
Mult.: 1

8051 8 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
Silicon Labs 8-bit Microcontrollers - MCU 8KB,24ADC,28Pin MCU
Datasheet
127In Stock
Min.: 1
Mult.: 1
Reel: 1,500

8051 8 kB 768 B QFN-28 50 MHz 24 bit 17 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F351 Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 8 kB 8-bit MCU
Datasheet
228In Stock
Min.: 1
Mult.: 1
Reel: 1,500

8051 8 kB 768 B QFN-28 50 MHz 16 bit 17 I/O 2.7 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C C8051F353 Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
Datasheet
39In Stock
Min.: 1
Mult.: 1

8051 32 kB 2.25 kB QFN-32 48 MHz 10 bit 25 I/O 2.7 V 5.25 V SMD/SMT 8 bit - 40 C + 85 C C8051F383 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU
Datasheet
178In Stock
Min.: 1
Mult.: 1

8051 16 kB 1 kB QFN-24 50 MHz 10 bit 21 I/O 1.8 V 3.6 V SMD/SMT 8 bit - 40 C + 105 C C8051F390 Tube
Silicon Labs 8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN24
Datasheet
113In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

8051 16 kB 1 kB QFN-24 50 MHz 10 bit 21 I/O 1.8 V 3.6 V SMD/SMT 8 bit - 40 C + 105 C C8051F390 Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 16kB/1kB RAM, 10b ADC, 10b 2xDAC, QFN20
Datasheet
213In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,500

8051 16 kB 1 kB QFN-20 50 MHz 10 bit 17 I/O 1.8 V 3.6 V SMD/SMT 8 bit - 40 C + 105 C C8051F392 Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, LQFP32
Datasheet
294In Stock
Min.: 1
Mult.: 1

8051 32 kB 4.25 kB LQFP-32 25 MHz 10 bit 24 I/O 1.8 V 3.6 V SMD/SMT 8 bit - 40 C + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, LQFP32
Datasheet
332In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

8051 32 kB 4.25 kB LQFP-32 25 MHz 10 bit 24 I/O 900 mV 3.6 V SMD/SMT 8 bit - 40 C + 85 C Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed Microcontroller
Datasheet
54In Stock
Min.: 1
Mult.: 1

8051 64 kB 256 B PDIP-40 25 MHz No ADC 32 I/O 4 V 5.5 V Through Hole 8 bit 0 C + 70 C DS80C310 Tube

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

8051 64 kB 256 B PLCC-44 25 MHz No ADC 32 I/O 4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C DS80C310 Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
40In Stock
Min.: 1
Mult.: 1

8051 64 kB 256 B PDIP-40 33 MHz No ADC 32 I/O 4.5 V 5.5 V Through Hole 8 bit 0 C + 70 C DS80C320 Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
52In Stock
Min.: 1
Mult.: 1

8051 64 kB 256 B PDIP-40 25 MHz No ADC 32 I/O 4.5 V 5.5 V Through Hole 8 bit - 40 C + 85 C DS80C320 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
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
66In 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

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
56In 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 0 C + 70 C DS80C323 Tube

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers
Datasheet
45In Stock
Min.: 1
Mult.: 1

8051 16 kB 1 kB PLCC-44 33 MHz No ADC 32 I/O 4.5 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C DS89C430 Tube
Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
546In Stock
94Expected 09-04-2026
Min.: 1
Mult.: 1

8051 32 kB 4 kB SSOP-48 50 MHz 12 bit 29 I/O 1.71 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C CY8C3445 Tube
Infineon Technologies 8-bit Microcontrollers - MCU 8051 8bit 67MHz 64KB
Datasheet
1,000In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

8051 64 kB 8 kB SSOP-48 67 MHz 20 bit 1.71 V 1.89 V SMD/SMT 8 bit - 40 C + 85 C CY8C3866 Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, QFN20
Datasheet
382In Stock
Min.: 1
Mult.: 1

8051 8 kB 256 B QFN-20 25 MHz 12 bit 16 I/O 1.8 V 5.25 V SMD/SMT 8 bit - 40 C + 125 C C8051F530A Tube
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

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