8051 microcontroller Microcontrollers - MCU

Results: 562
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS Mounting Style Package/Case Core Program Memory Size Data Bus Width ADC Resolution Maximum Clock Frequency Number of I/Os Data RAM Size Supply Voltage - Min Supply Voltage - Max Minimum Operating Temperature Maximum Operating Temperature Qualification Packaging
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU 995In Stock
0,903 €
0,703 €
0,624 €
0,559 €
Min.: 1
Mult.: 1
SMD/SMT SOIC-16 8 kB 8 bit 12 bit 50 MHz 12 I/O 512 B 1.8 V 5.5 V - 40 C + 85 C Tube
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V 297In Stock
23,14 €
18,58 €
16,30 €
15,82 €
Min.: 1
Mult.: 1
SMD/SMT TQFP-100 8051 64 kB 8 bit 20 bit 67 MHz 72 I/O 8 kB 1.71 V 1.89 V - 40 C + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU 5 000In Stock
Cut Tape
0,955 €
0,69 €
0,621 €
0,546 €
Reel
0,452 €
Min.: 1
Mult.: 1
: 2 500
SMD/SMT QFN-32 16 kB 16 I/O 1.28 kB 1.8 V 5.5 V - 40 C + 85 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU 706In Stock
0,645 €
0,499 €
0,462 €
0,425 €
Min.: 1
Mult.: 1
SMD/SMT QFN-12 4 kB 8 bit 12 bit 50 MHz 9 I/O 512 B 1.8 V 5.5 V - 40 C + 85 C Cut Tape

Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V 533In Stock
8,39 €
6,53 €
5,78 €
5,55 €
Min.: 1
Mult.: 1
SMD/SMT QFN-68 8051 32 kB 8 bit 12 bit 50 MHz 46 I/O 4 kB 1.71 V 5.5 V - 40 C + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU 15 521In Stock
Cut Tape
0,74 €
0,569 €
0,508 €
0,464 €
Reel
0,383 €
Min.: 1
Mult.: 1
: 2 500
SMD/SMT QFN-20 CIP-51 8051 2 kB 8 bit 12 bit 25 MHz 16 I/O 256 B 2.2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU 980In Stock
Cut Tape
2,61 €
1,94 €
1,77 €
1,59 €
Reel
1,35 €
Min.: 1
Mult.: 1
: 2 500
SMD/SMT QFN-24 CIP-51 8051 32 kB 8 bit 10 bit/12 bit/14 bit 72 MHz 20 I/O 2.25 kB 2.2 V 3.6 V - 40 C + 105 C Reel, Cut Tape, MouseReel

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU 2 120In Stock
Cut Tape
3,16 €
2,13 €
1,98 €
1,72 €
Reel
1,33 €
Min.: 1
Mult.: 1
: 2 500
SMD/SMT QFN-24 CIP-51 8051 64 kB 8 bit 10 bit, 12 bit 50 MHz 20 I/O 4.35 kB 2.2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU 12 398In Stock
Cut Tape
0,955 €
0,814 €
0,714 €
0,655 €
Reel
0,463 €
Min.: 1
Mult.: 1
: 2 500
SMD/SMT QFN-20 16 kB 16 I/O 1.28 kB 1.8 V 5.5 V - 40 C + 85 C Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V 515In Stock
1,28 €
1,18 €
1,06 €
Min.: 1
Mult.: 1
SMD/SMT SOIC-20 8051 4 kB 8 bit No ADC 24 MHz 15 I/O 128 B 4 V 6 V - 40 C + 85 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU 1 148In Stock
Cut Tape
2,30 €
1,70 €
1,56 €
1,39 €
Reel
1,20 €
Min.: 1
Mult.: 1
: 2 500
SMD/SMT QFN-32 CIP-51 8051 64 kB 8 bit 10 bit, 12 bit 50 MHz 29 I/O 4.35 kB 2.2 V 3.6 V - 40 C + 85 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU 3 323In Stock
4 900Expected 10/27/2026
2,40 €
1,89 €
1,69 €
1,56 €
Min.: 1
Mult.: 1
SMD/SMT QFN-32 CIP-51 8051 64 kB 8 bit 10 bit, 12 bit 50 MHz 29 I/O 4.35 kB 2.2 V 3.6 V - 40 C + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU 5 987In Stock
2,18 €
1,83 €
1,60 €
1,50 €
Min.: 1
Mult.: 1
SMD/SMT QFN-24 CIP-51 8051 64 kB 8 bit 10 bit, 12 bit 50 MHz 20 I/O 4.35 kB 2.2 V 3.6 V - 40 C + 85 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU 1 205In Stock
0,851 €
0,613 €
0,552 €
0,485 €
Min.: 1
Mult.: 1
SMD/SMT QFN-12 16 kB 8 bit 12 bit 50 MHz 9 I/O 512 B 1.8 V 5.5 V - 40 C + 85 C Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU 973In Stock
0,877 €
0,632 €
0,569 €
0,501 €
Min.: 1
Mult.: 1
SMD/SMT QFN-16 16 kB 8 bit 12 bit 50 MHz 12 I/O 512 B 1.8 V 5.5 V - 40 C + 85 C Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU 3 892In Stock
Cut Tape
3,04 €
2,37 €
2,11 €
1,94 €
Reel
1,53 €
Min.: 1
Mult.: 1
: 2 500
SMD/SMT QFN-32 CIP-51 8051 64 kB 8 bit 10 bit/12 bit/14 bit 72 MHz 29 I/O 4.25 kB 2.2 V 3.6 V - 40 C + 105 C Reel, Cut Tape
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V 666In Stock
12,73 €
9,88 €
8,68 €
8,39 €
Min.: 1
Mult.: 1
SMD/SMT TQFP-100 8051 64 kB 8 bit 12 bit 50 MHz 70 I/O 8 kB 1.71 V 5.5 V - 40 C + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU 1 582In Stock
Cut Tape
1,60 €
1,32 €
1,14 €
1,08 €
Reel
0,813 €
Min.: 1
Mult.: 1
: 2 500
SMD/SMT QFN-32 CIP-51 8051 16 kB 8 bit 10 bit, 12 bit 50 MHz 29 I/O 2.3 kB 2.2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU 1 000In Stock
Cut Tape
0,877 €
0,632 €
0,569 €
0,501 €
Reel
0,415 €
Min.: 1
Mult.: 1
: 3 000
SMD/SMT QFN-16 16 kB 8 bit 12 bit 50 MHz 12 I/O 512 B 1.8 V 5.5 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU 1 544In Stock
1,03 €
0,886 €
0,775 €
0,716 €
Min.: 1
Mult.: 1
SMD/SMT SOIC-16 16 kB 8 bit 12 bit 50 MHz 12 I/O 512 B 1.8 V 5.5 V - 40 C + 85 C Tube
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V 237In Stock
19,02 €
18,46 €
13,53 €
13,08 €
Min.: 1
Mult.: 1
SMD/SMT SSOP-48 8051 64 kB 8 bit 20 bit 67 MHz 29 I/O 8 kB 1.71 V 1.89 V - 40 C + 85 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU 2 500In Stock
Cut Tape
2,63 €
1,96 €
1,79 €
1,61 €
Reel
1,37 €
Min.: 1
Mult.: 1
: 2 500
SMD/SMT QFN-32 CIP-51 8051 64 kB 8 bit 10 bit, 12 bit 50 MHz 29 I/O 4.35 kB 2.2 V 3.6 V - 40 C + 125 C Reel, Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU 1 517In Stock
2,64 €
1,97 €
1,80 €
1,62 €
Min.: 1
Mult.: 1
SMD/SMT QFN-32 CIP-51 8051 64 kB 8 bit 10 bit, 12 bit 50 MHz 29 I/O 4.35 kB 2.2 V 3.6 V - 40 C + 125 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU 959In Stock
1,01 €
0,786 €
0,699 €
0,629 €
Min.: 1
Mult.: 1
SMD/SMT SOIC-16 16 kB 8 bit 12 bit 50 MHz 12 I/O 512 B 1.8 V 5.5 V - 40 C + 125 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU 408In Stock
4 500Expected 11/27/2026
Cut Tape
1,45 €
1,13 €
0,998 €
0,912 €
Reel
0,779 €
Min.: 1
Mult.: 1
: 2 500
SMD/SMT QFN-20 CIP-51 8051 8 kB 8 bit 12 bit 25 MHz 16 I/O 512 B 1.8 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel