8051 microcontroller Microcontrollers - MCU

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Core
Program Memory Size
Data Bus Width
ADC Resolution
Maximum Clock Frequency
Number of I/Os
Data RAM Size
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Supply Voltage - Max
Minimum Operating Temperature
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Packaging

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU
Datasheet
20In Stock
Min.: 1
Mult.: 1

SMD/SMT QFP-48 8051 64 kB 8 bit 12 bit 50 MHz 40 I/O 4.25 kB 1.8 V 5.25 V - 40 C + 125 C AEC-Q100 Tray
Silicon Labs 8-bit Microcontrollers - MCU 100MIPS,128KB,12ADC,100Pin MCU
Datasheet
5In Stock
2,250Expected 25/09/2026
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 128 kB 8 bit 8 bit, 12 bit 100 MHz 64 I/O 8.25 kB 3 V 3.6 V - 40 C + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24
Datasheet
305In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-24 8051 64 kB 8 bit 10 bit 25 MHz 16 I/O 4.25 kB 1.8 V 3.6 V - 40 C + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU
Datasheet
15In Stock
Min.: 1
Mult.: 1

SMD/SMT QFP-48 8051 128 kB 8 bit 12 bit 50 MHz 40 I/O 8.25 kB 1.8 V 5.25 V - 40 C + 125 C AEC-Q100 Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 8-bit MCU
Datasheet
5In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 8051 128 kB 8 bit 12 bit 50 MHz 32 I/O 8.25 kB 2.7 V 3.6 V - 40 C + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 8051 64K ISP Flash
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 360
Mult.: 360

SMD/SMT VQFN-44 8051 64 kB 8 bit 10 bit 20 MHz 38 I/O 4.25 kB 2.4 V 3.6 V - 40 C + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24
Datasheet
99In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT 8051 64 kB 8 bit 10 bit 25 MHz 16 I/O 4.25 kB 900 mV 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU USB-Flash-32k-ADC-TQFP48
Datasheet
298In Stock
Min.: 1
Mult.: 1
: 500

SMD/SMT TQFP-48 8051 32 kB 8 bit 10 bit 48 MHz 40 I/O 2.25 kB 2.7 V 5.25 V - 40 C + 85 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 8-bit MCU
Datasheet
21In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-32 8051 32 kB 8 bit 10 bit 48 MHz 25 I/O 2.25 kB 2.7 V 5.25 V - 40 C + 85 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU
Datasheet
107In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-48 8051 128 kB 8 bit 12 bit 50 MHz 40 I/O 8.25 kB 1.8 V 5.25 V - 40 C + 125 C AEC-Q100 Tube
Infineon Technologies 8-bit Microcontrollers - MCU 8051 8bit 67MHz 64KB
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 2,000
Mult.: 2,000
: 2,000

SMD/SMT QFN-48 8051 64 kB 8 bit 20 bit 67 MHz 8 kB 1.71 V 1.89 V - 40 C + 85 C Reel
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU
Datasheet
44In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-32 8051 64 kB 8 bit 12 bit 50 MHz 25 I/O 4.25 kB 1.8 V 5.25 V - 40 C + 125 C AEC-Q100 Tube
Infineon Technologies 8-bit Microcontrollers - MCU 8051 8bit 67MHz 32KB
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1,500
Mult.: 1,500
: 1,500

SMD/SMT TQFP-100 8051 32 kB 8 bit 20 bit 67 MHz 4 kB 1.71 V 1.89 V - 40 C + 85 C Reel
Microchip Technology 8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 720
Mult.: 360

SMD/SMT VQFN-44 8051 4 kB 8 bit No ADC 20 MHz 36 I/O 256 B 2.4 V 5.5 V - 40 C + 85 C Tray
Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 600
Mult.: 600

SMD/SMT SSOP-48 8051 32 kB 8 bit 12 bit 50 MHz 31 I/O 4 kB 1.71 V 5.5 V - 40 C + 85 C Tube
Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
Lead-Time 10 Weeks
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 32 kB 8 bit 12 bit 50 MHz 70 I/O 4 kB 1.71 V 5.5 V - 40 C + 85 C Tray

Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 67MHz 8051 0.5V to 5.5V
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1,300
Mult.: 1,300

SMD/SMT QFN-68 8051 32 kB 8 bit 12 bit 67 MHz 48 I/O 4 kB 1.71 V 1.89 V - 40 C + 85 C Tray
Infineon Technologies 8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1
Mult.: 1

SMD/SMT SSOP-48 8051 16 kB 8 bit 12 bit 50 MHz 29 I/O 2 kB 1.71 V 5.5 V - 40 C + 85 C Tube
Infineon Technologies 8-bit Microcontrollers - MCU 16K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1
Mult.: 1

SMD/SMT QFN-48 8051 16 kB 8 bit 12 bit 50 MHz 29 I/O 2 kB 1.71 V 5.5 V - 40 C + 85 C Tray
Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1
Mult.: 1

SMD/SMT QFN-48 8051 32 kB 8 bit 12 bit 50 MHz 29 I/O 4 kB 1.71 V 5.5 V - 40 C + 85 C Tray
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V
Datasheet
Lead-Time 10 Weeks
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 64 kB 8 bit 12 bit 67 MHz 28 I/O 8 kB 1.71 V 1.89 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU
Datasheet
Non-Stocked Lead-Time 13 Weeks
Min.: 720
Mult.: 360

SMD/SMT VQFN-44 8051 8 kB 8 bit No ADC 20 MHz 36 I/O 256 B 2.4 V 5.5 V - 40 C + 85 C Tray
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 900
Mult.: 900

SMD/SMT TQFP-100 8051 64 kB 8 bit 20 bit 67 MHz 70 I/O 8 kB 1.71 V 1.89 V - 40 C + 85 C Tray
Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
Lead-Time 10 Weeks
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 32 kB 8 bit 50 MHz 72 I/O 4 kB 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
Non-Stocked Lead-Time 10 Weeks
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 8051 64 kB 8 bit 12 bit 67 MHz 70 I/O 8 kB 1.71 V 1.89 V - 40 C + 85 C Tray