8051 microcontroller Microcontrollers - MCU

Results: 563
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Description Datasheet Availability Pricing (DKK) 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 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU
Datasheet
218In Stock
7,83 kr.
5,71 kr.
5,16 kr.
4,57 kr.
View
Min.: 1
Mult.: 1
SMD/SMT QFN-20 CIP-51 8051 4 kB 8 bit 12 bit 25 MHz 16 I/O 512 B 2.2 V 3.6 V - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V
Datasheet
1.029In Stock
33,20 kr.
30,51 kr.
30,44 kr.
Min.: 1
Mult.: 1
Through Hole PDIP-40 8051 32 kB 8 bit No ADC 24 MHz 32 I/O 512 B 4 V 5.5 V - 40 C + 85 C Tube
Silicon Labs 8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
Datasheet
90In Stock
14,47 kr.
10,67 kr.
9,70 kr.
8,65 kr.
View
Min.: 1
Mult.: 1
SMD/SMT QFN-24 CIP-51 8051 16 kB 8 bit 10 bit/12 bit/14 bit 72 MHz 20 I/O 1.25 kB 2.2 V 3.6 V - 40 C + 105 C Tube
Microchip Technology 8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL
Datasheet
60In Stock
67,29 kr.
61,92 kr.
61,69 kr.
Min.: 1
Mult.: 1
SMD/SMT TQFP-44 8051 32 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 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
Datasheet
36In Stock
19,25 kr.
14,40 kr.
13,06 kr.
11,71 kr.
View
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
Datasheet
17.031On Order
10,52 kr.
7,83 kr.
7,12 kr.
6,28 kr.
View
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 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
93.467On Order
Cut Tape
10,29 kr.
7,53 kr.
6,80 kr.
6,05 kr.
View
Reel
5,06 kr.
MouseReel Available
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
Datasheet
23.750On Order
25,44 kr.
20,52 kr.
18,05 kr.
17,16 kr.
View
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
Datasheet
2.519Expected 04/12/2026
7,68 kr.
5,57 kr.
5,05 kr.
4,46 kr.
View
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 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
Datasheet
7.560Expected 25/12/2026
8,65 kr.
6,27 kr.
5,68 kr.
5,02 kr.
View
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 32 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
Datasheet
1.498Expected 29/01/2027
Cut Tape
15,89 kr.
13,50 kr.
10,59 kr.
9,25 kr.
Reel
7,68 kr.
View
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
Datasheet
552On Order
9,62 kr.
8,88 kr.
7,98 kr.
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
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
Datasheet
179Expected 20/11/2026
109,44 kr.
83,18 kr.
79,67 kr.
70,20 kr.
View
Min.: 1
Mult.: 1
SMD/SMT TQFP-100 8051 64 kB 8 bit 12 bit 50 MHz 72 I/O 8 kB 1.71 V 5.5 V - 40 C + 85 C Tray

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
Datasheet
1.911Expected 27/10/2026
13,65 kr.
10,44 kr.
9,33 kr.
8,58 kr.
View
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 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
Datasheet
1In Stock
14,47 kr.
10,67 kr.
9,70 kr.
8,65 kr.
View
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 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU
Datasheet
197Expected 18/12/2026
8,58 kr.
6,27 kr.
5,67 kr.
5,01 kr.
View
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
Datasheet
38In Stock
200On Order
9,03 kr.
7,06 kr.
6,26 kr.
5,62 kr.
View
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 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
Datasheet
1.249Expected 21/10/2026
17,16 kr.
12,68 kr.
11,64 kr.
10,37 kr.
10,15 kr.
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
Datasheet
3.550On Order
12,16 kr.
9,47 kr.
8,50 kr.
7,53 kr.
View
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 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
Datasheet
179Expected 27/10/2026
7,31 kr.
5,29 kr.
4,76 kr.
4,19 kr.
View
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
Datasheet
198Expected 01/01/2027
7,53 kr.
5,43 kr.
4,89 kr.
4,30 kr.
View
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
Datasheet
526Expected 08/01/2027
16,86 kr.
12,53 kr.
11,41 kr.
10,22 kr.
View
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
Datasheet
1.179Expected 04/01/2027
79,67 kr.
62,59 kr.
55,65 kr.
54,91 kr.
View
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
Datasheet
3.007In Stock
Cut Tape
32,08 kr.
24,47 kr.
22,53 kr.
20,37 kr.
View
Reel
18,28 kr.
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
Datasheet
2.590In Stock
73,03 kr.
58,04 kr.
52,37 kr.
49,09 kr.
View
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