8051 microcontroller Embedded Processors & Controllers

Types of Embedded Processors & Controllers

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Results: 574
Select Image Part # Mfr. Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity. Qty. RoHS Product Type Mounting Style Package/Case Core Data Bus Width Maximum Clock Frequency Program Memory Size Data RAM Size ADC Resolution Number of I/Os Minimum Operating Temperature Maximum Operating Temperature Qualification Packaging

Silicon Labs 8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU 375In Stock
£1.81
£1.34
£1.21
£1.09
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-24 CIP-51 8051 8 bit 50 MHz 32 kB 2.3 kB 10 bit, 12 bit 20 I/O - 40 C + 125 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU 218In Stock
£0.917
£0.668
£0.604
£0.534
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-20 CIP-51 8051 8 bit 25 MHz 4 kB 512 B 12 bit 16 I/O - 40 C + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V 999In Stock
£3.88
£3.57
£3.56
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU Through Hole PDIP-40 8051 8 bit 24 MHz 32 kB 512 B No ADC 32 I/O - 40 C + 85 C Tube
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V 2In Stock
£9.31
£7.57
£7.21
£6.27
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-48 8051 8 bit 50 MHz 64 kB 8 kB 12 bit 29 I/O - 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 90In Stock
£1.69
£1.25
£1.13
£1.01
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-24 CIP-51 8051 8 bit 72 MHz 16 kB 1.25 kB 10 bit/12 bit/14 bit 20 I/O - 40 C + 105 C Tube
Microchip Technology 8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL 60In Stock
£7.87
£7.25
£7.22
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT TQFP-44 8051 8 bit 20 MHz 32 kB 4.25 kB 10 bit 38 I/O - 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 36In Stock
£2.25
£1.68
£1.53
£1.37
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFP-32 CIP-51 8051 8 bit 72 MHz 16 kB 1.25 kB 10 bit/12 bit/14 bit 28 I/O - 40 C + 105 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 2K FLASH 24MHZ SOIC 3In Stock
£1.96
£1.80
£1.63
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT SOIC-20 8051 8 bit 24 MHz 2 kB 256 B No ADC 15 I/O - 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
£1.23
£0.917
£0.834
£0.735
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-20 CIP-51 8051 8 bit 25 MHz 8 kB 512 B 12 bit 16 I/O - 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
£1.98
£1.66
£1.46
£1.38
Reel
£1.13
Min.: 1
Mult.: 1
: 2,500
8-bit Microcontrollers - MCU SMD/SMT QFN-20 CIP-51 8051 8 bit 50 MHz 16 kB 2.25 kB 12 bit 13 I/O - 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 08/01/2027
Cut Tape
£1.20
£0.882
£0.796
£0.708
Reel
£0.592
Min.: 1
Mult.: 1
: 2,500
8-bit Microcontrollers - MCU SMD/SMT QFN-20 CIP-51 8051 8 bit 50 MHz 16 kB 2.3 kB 12 bit 16 I/O - 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
£2.98
£2.40
£2.11
£2.01
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFP-32 CIP-51 8051 8 bit 72 MHz 64 kB 4.25 kB 10 bit/12 bit/14 bit 28 I/O - 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 17/11/2026
£0.899
£0.652
£0.591
£0.522
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-20 CIP-51 8051 8 bit 25 MHz 8 kB 512 B 12 bit 16 I/O - 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
5,040On Order
£1.01
£0.734
£0.664
£0.588
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-20 CIP-51 8051 8 bit 25 MHz 8 kB 512 B 12 bit 16 I/O - 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 27/11/2026
£0.934
£0.78
£0.628
£0.577
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT SOIC-16 CIP-51 8051 8 bit 25 MHz 8 kB 512 B 12 bit 13 I/O - 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 01/01/2027
Cut Tape
£1.86
£1.58
£1.24
£1.08
Reel
£0.899
Min.: 1
Mult.: 1
: 1,500
8-bit Microcontrollers - MCU SMD/SMT QFN-24 CIP-51 8051 8 bit 25 MHz 32 kB 4.25 kB 10 bit 16 I/O - 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
£1.13
£1.04
£0.934
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT SOIC-20 8051 8 bit 12 MHz 4 kB 128 B No ADC 15 I/O - 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
£1.69
£1.25
£1.13
£1.01
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-28 CIP-51 8051 8 bit 50 MHz 16 kB 2.3 kB 12 bit 22 I/O - 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
197Expected 18/12/2026
£1.05
£0.826
£0.731
£0.633
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT TSSOP-20 16 kB 1.28 kB 16 I/O - 40 C + 85 C Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
3,550On Order
£1.42
£1.11
£0.995
£0.882
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT CSP-16 CIP-51 8051 8 bit 25 MHz 8 kB 512 B 12 bit 13 I/O - 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 04/12/2026
£1.06
£0.826
£0.732
£0.658
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT TSSOP-28 16 kB 1.28 kB 16 I/O - 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
179Expected 13/11/2026
£0.856
£0.641
£0.573
£0.513
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT TSSOP-20 16 kB 1.28 kB 16 I/O - 40 C + 85 C Cut Tape
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU
2,200On Order
£0.721
£0.503
£0.451
£0.395
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-32 16 kB 1.28 kB 16 I/O - 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 01/01/2027
£0.882
£0.636
£0.572
£0.503
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT TSSOP-20 16 kB 1.28 kB 16 I/O - 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 08/01/2027
£1.97
£1.47
£1.34
£1.20
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-28 CIP-51 8051 8 bit 50 MHz 16 kB 2.25 kB 12 bit 22 I/O - 40 C + 85 C Tube