8051 Core Microcontrollers - MCU

Types of Microcontrollers - MCU
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Qty. RoHS Mounting Style
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Core
Data Bus Width
Maximum Clock Frequency
Program Memory Size
Data RAM Size
ADC Resolution
Number of I/Os
Supply Voltage - Min
Supply Voltage - Max
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Packaging

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU
Datasheet
637In Stock
Min.: 1
Mult.: 1

SMD/SMT QFP-48 8051 8 bit 50 MHz 32 kB 4.25 kB 12 bit 40 I/O 1.8 V 5.25 V + 125 C AEC-Q100 Tray

Silicon Labs 8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, TSSOP20
Datasheet
3.611In Stock
Min.: 1
Mult.: 1

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

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V 8-bit MCU
Datasheet
946In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-20 8051 8 bit 25 MHz 8 kB 256 B 12 bit 16 I/O 2 V 5.25 V + 125 C AEC-Q100 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU
Datasheet
2.154In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-24 8051 8 bit 50 MHz 32 kB 2.25 kB 12 bit 18 I/O 1.8 V 5.25 V + 125 C AEC-Q100 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V 8-bit MCU
Datasheet
1.922In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-24 8051 8 bit 50 MHz 32 kB 2.25 kB 12 bit 18 I/O 1.8 V 5.25 V + 125 C AEC-Q100 Tube

Silicon Labs 8-bit Microcontrollers - MCU 8KB/512B RAM, ADC, SOIC16
Datasheet
4.192In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

SMD/SMT SOIC-16 8051 8 bit 25 MHz 8 kB 512 B 12 bit 13 I/O 2.2 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24
Datasheet
1.032In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-24 8051 8 bit 25 MHz 32 kB 4.25 kB 10 bit 16 I/O 900 mV 3.6 V + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24
Datasheet
1.496In Stock
Min.: 1
Mult.: 1
Reel: 1.500

SMD/SMT QFN-24 8051 8 bit 25 MHz 32 kB 4.25 kB 10 bit 16 I/O 900 mV 3.6 V + 85 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24
Datasheet
2.631In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-24 8051 8 bit 25 MHz 64 kB 4.25 kB 10 bit 16 I/O 1.8 V 3.6 V + 85 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24
Datasheet
899In Stock
3.000Expected 3/20/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

SMD/SMT 8051 8 bit 25 MHz 64 kB 4.25 kB 10 bit 16 I/O 900 mV 3.6 V + 85 C Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed Microcontroller
Datasheet
84In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 8 bit 25 MHz 64 kB 256 B No ADC 32 I/O 4 V 5.5 V + 70 C Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
145In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 8 bit 25 MHz 64 kB 256 B No ADC 32 I/O 4.5 V 5.5 V + 70 C Tray
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
182In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-40 8051 8 bit 25 MHz 64 kB 256 B No ADC 32 I/O 4.5 V 5.5 V + 70 C Tube
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers
Datasheet
223In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 8 bit 18 MHz 64 kB 256 B No ADC 32 I/O 2.7 V 5.5 V + 70 C Tray
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers
Datasheet
143In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 8 bit 33 MHz 16 kB 1 kB No ADC 32 I/O 4.5 V 5.5 V + 85 C Tray
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers
Datasheet
147In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-40 8051 8 bit 33 MHz 16 kB 1 kB No ADC 32 I/O 4.5 V 5.5 V + 85 C Tube

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers
Datasheet
176In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 8 bit 33 MHz 64 kB 1 kB No ADC 32 I/O 4.5 V 5.5 V + 85 C Tube

Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers
Datasheet
55In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 8 bit 33 MHz 64 kB 1 kB No ADC 32 I/O 4.5 V 5.5 V + 85 C Tube
Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
550In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-48 8051 8 bit 50 MHz 32 kB 4 kB 12 bit 29 I/O 1.71 V 5.5 V + 85 C Tray
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
646In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 8 bit 50 MHz 64 kB 8 kB 12 bit 72 I/O 1.71 V 5.5 V + 85 C Tray
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
355In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 8 bit 50 MHz 64 kB 8 kB 12 bit 72 I/O 1.71 V 5.5 V + 85 C Tray
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V
Datasheet
131In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 8 bit 67 MHz 64 kB 8 kB 20 bit 72 I/O 1.71 V 1.89 V + 85 C Tray
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 8K SRAM 8bit 67 MHz
Datasheet
262In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 8 bit 67 MHz 64 kB 8 kB 20 bit 62 I/O 1.71 V 1.89 V + 85 C Tray
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V
Datasheet
287In Stock
Min.: 1
Mult.: 1

SMD/SMT SSOP-48 8051 8 bit 67 MHz 64 kB 8 kB 20 bit 29 I/O 1.71 V 1.89 V + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 64 kB CAN 8-bit MCU
Datasheet
75In Stock
Min.: 1
Mult.: 1
Reel: 250

SMD/SMT TQFP-100 8051 8 bit 25 MHz 64 kB 4.25 kB 10 bit 64 I/O 2.7 V 3.6 V + 85 C Reel, Cut Tape