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 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU 36In Stock
2,58 €
1,93 €
1,75 €
1,57 €
Min.: 1
Mult.: 1
SMD/SMT QFP-32 CIP-51 8051 16 kB 8 bit 10 bit/12 bit/14 bit 72 MHz 28 I/O 1.25 kB 2.2 V 3.6 V - 40 C + 105 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 2K FLASH 24MHZ SOIC 4In Stock
2,24 €
2,06 €
1,87 €
Min.: 1
Mult.: 1
SMD/SMT SOIC-20 8051 2 kB 8 bit No ADC 24 MHz 15 I/O 256 B 2.7 V 5.5 V - 40 C + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
17 031On Order
1,41 €
1,05 €
0,955 €
0,842 €
Min.: 1
Mult.: 1
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 Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
49 037On Order
Cut Tape
2,27 €
1,90 €
1,67 €
1,58 €
Reel
1,30 €
Min.: 1
Mult.: 1
: 2 500
SMD/SMT QFN-20 CIP-51 8051 16 kB 8 bit 12 bit 50 MHz 13 I/O 2.25 kB 2.2 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
93 467Expected 1/8/2027
Cut Tape
1,38 €
1,01 €
0,912 €
0,811 €
Reel
0,678 €
Min.: 1
Mult.: 1
: 2 500
SMD/SMT QFN-20 CIP-51 8051 16 kB 8 bit 12 bit 50 MHz 16 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 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
23 750On Order
3,41 €
2,75 €
2,42 €
2,30 €
Min.: 1
Mult.: 1
SMD/SMT QFP-32 CIP-51 8051 64 kB 8 bit 10 bit/12 bit/14 bit 72 MHz 28 I/O 4.25 kB 2.2 V 3.6 V - 40 C + 105 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
2 519Expected 11/17/2026
1,03 €
0,747 €
0,677 €
0,598 €
Min.: 1
Mult.: 1
SMD/SMT QFN-20 CIP-51 8051 8 kB 8 bit 12 bit 25 MHz 16 I/O 512 B 2.2 V 3.6 V - 40 C + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 32 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
1 498Expected 1/1/2027
Cut Tape
2,13 €
1,81 €
1,42 €
1,24 €
Reel
1,03 €
Min.: 1
Mult.: 1
: 1 500
SMD/SMT QFN-24 CIP-51 8051 32 kB 8 bit 10 bit 25 MHz 16 I/O 4.25 kB 1.8 V 3.6 V - 40 C + 85 C Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 12MHZ 4V-5.5V
552On Order
1,29 €
1,19 €
1,07 €
Min.: 1
Mult.: 1
SMD/SMT SOIC-20 8051 4 kB 8 bit No ADC 12 MHz 15 I/O 128 B 2.7 V 6 V - 40 C + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
7 560Expected 12/4/2026
1,16 €
0,841 €
0,761 €
0,673 €
Min.: 1
Mult.: 1
SMD/SMT QFN-20 CIP-51 8051 8 kB 8 bit 12 bit 25 MHz 16 I/O 512 B 2.2 V 3.6 V - 40 C + 125 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
3 017Expected 11/27/2026
1,07 €
0,894 €
0,719 €
0,661 €
Min.: 1
Mult.: 1
SMD/SMT SOIC-16 CIP-51 8051 8 kB 8 bit 12 bit 25 MHz 13 I/O 512 B 2.2 V 3.6 V - 40 C + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU 1In Stock
1,94 €
1,43 €
1,30 €
1,16 €
Min.: 1
Mult.: 1
SMD/SMT QFN-28 CIP-51 8051 16 kB 8 bit 12 bit 50 MHz 22 I/O 2.3 kB 2.2 V 3.6 V - 40 C + 125 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
1 249On Order
2,30 €
1,70 €
1,56 €
1,39 €
1,36 €
Min.: 1
Mult.: 1
SMD/SMT QFP-32 CIP-51 8051 16 kB 8 bit 10 bit/12 bit/14 bit 72 MHz 28 I/O 1.25 kB 2.2 V 3.6 V - 40 C + 105 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
3 550On Order
1,63 €
1,27 €
1,14 €
1,01 €
Min.: 1
Mult.: 1
SMD/SMT CSP-16 CIP-51 8051 8 kB 8 bit 12 bit 25 MHz 13 I/O 512 B 1.8 V 3.6 V - 40 C + 85 C Cut Tape

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
1 911Expected 11/11/2026
1,83 €
1,40 €
1,25 €
1,15 €
Min.: 1
Mult.: 1
SMD/SMT QFN-24 CIP-51 8051 16 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 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU
197Expected 12/18/2026
1,20 €
0,946 €
0,837 €
0,725 €
Min.: 1
Mult.: 1
SMD/SMT TSSOP-20 16 kB 16 I/O 1.28 kB 1.8 V 5.5 V - 40 C + 85 C Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 25 GPIO BB5 8-bit MCU
200Expected 12/4/2026
1,21 €
0,946 €
0,839 €
0,754 €
Min.: 1
Mult.: 1
SMD/SMT TSSOP-28 16 kB 16 I/O 1.28 kB 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 1.28 kB RAM 16 GPIO BB5 8-bit MCU
179On Order
0,98 €
0,734 €
0,656 €
0,588 €
Min.: 1
Mult.: 1
SMD/SMT TSSOP-20 16 kB 16 I/O 1.28 kB 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 1.28 kB RAM 16 GPIO BB5 8-bit MCU
198Expected 1/1/2027
1,01 €
0,728 €
0,655 €
0,576 €
Min.: 1
Mult.: 1
SMD/SMT TSSOP-20 16 kB 16 I/O 1.28 kB 1.8 V 5.5 V - 40 C + 85 C Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
526Expected 1/8/2027
2,26 €
1,68 €
1,53 €
1,37 €
Min.: 1
Mult.: 1
SMD/SMT QFN-28 CIP-51 8051 16 kB 8 bit 12 bit 50 MHz 22 I/O 2.25 kB 2.2 V 3.6 V - 40 C + 85 C Tube
NXP Semiconductors ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core
1 177Expected 1/4/2027
10,68 €
8,39 €
7,46 €
7,36 €
Min.: 1
Mult.: 1
SMD/SMT LQFP-80 ARM Cortex M3 128 kB 32 bit 12 bit 100 MHz 52 I/O 32 kB 2.4 V 3.6 V - 40 C + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB 8-bit MCU 3 007In Stock
Cut Tape
4,30 €
3,28 €
3,02 €
2,73 €
Reel
2,45 €
Min.: 1
Mult.: 1
: 2 500
SMD/SMT QFN-28 8051 16 kB 8 bit 25 MHz 15 I/O 1.54 kB 2.7 V 5.25 V - 40 C + 85 C Reel, Cut Tape

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU 2 590In Stock
9,79 €
7,78 €
7,02 €
6,58 €
Min.: 1
Mult.: 1
SMD/SMT QFN-20 8051 16 kB 8 bit 10 bit 25 MHz 17 I/O 768 B 2.7 V 3.6 V - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU Single-Cycle 8051 8K ISP Flash MCU Non-Stocked Lead-Time 13 Weeks
1,14 €
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
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU 2 731In Stock
Cut Tape
10,02 €
7,84 €
7,30 €
6,71 €
Reel
5,79 €
Min.: 1
Mult.: 1
: 2 500
SMD/SMT QFN-24 8051 16 kB 8 bit 10 bit 25 MHz 21 I/O 768 B 2.7 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel