8051 microcontroller Embedded Processors & Controllers

Types of Embedded Processors & Controllers

Change category view
Results: 576
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
Microchip Technology 8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL 610In Stock
£1.29
£1.17
£1.07
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT TQFP-44 8051 8 bit 20 MHz 4 kB 256 B No ADC 36 I/O - 40 C + 85 C Tray
Silicon Labs 8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU 648In Stock
£0.766
£0.552
£0.497
£0.437
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT SOIC-16 8 bit 50 MHz 4 kB 512 B 12 bit 12 I/O - 40 C + 125 C Tube
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
£0.788
£0.614
£0.545
£0.488
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT SOIC-16 8 bit 50 MHz 8 kB 512 B 12 bit 12 I/O - 40 C + 85 C Tube
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
£0.563
£0.436
£0.403
£0.371
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-12 8 bit 50 MHz 4 kB 512 B 12 bit 9 I/O - 40 C + 85 C Cut Tape

Infineon Technologies 8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V 533In Stock
£7.32
£5.70
£5.05
£4.85
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-68 8051 8 bit 50 MHz 32 kB 4 kB 12 bit 46 I/O - 40 C + 85 C Tray
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
£2.28
£1.69
£1.55
£1.39
Reel
£1.18
Min.: 1
Mult.: 1
: 2,500
8-bit Microcontrollers - MCU SMD/SMT QFN-24 CIP-51 8051 8 bit 72 MHz 32 kB 2.25 kB 10 bit/12 bit/14 bit 20 I/O - 40 C + 105 C Reel, Cut Tape, MouseReel
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V 297In Stock
£20.20
£16.22
£14.23
£13.81
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT TQFP-100 8051 8 bit 67 MHz 64 kB 8 kB 20 bit 72 I/O - 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 4,000In Stock
Cut Tape
£0.834
£0.602
£0.542
£0.477
Reel
£0.395
Min.: 1
Mult.: 1
: 2,500
8-bit Microcontrollers - MCU SMD/SMT QFN-32 16 kB 1.28 kB 16 I/O - 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 2,120In Stock
Cut Tape
£2.76
£1.86
£1.73
£1.50
Reel
£1.16
Min.: 1
Mult.: 1
: 2,500
8-bit Microcontrollers - MCU SMD/SMT QFN-24 CIP-51 8051 8 bit 50 MHz 64 kB 4.35 kB 10 bit, 12 bit 20 I/O - 40 C + 85 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 5,887In Stock
£1.90
£1.60
£1.40
£1.31
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-24 CIP-51 8051 8 bit 50 MHz 64 kB 4.35 kB 10 bit, 12 bit 20 I/O - 40 C + 85 C Tube

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
£0.646
£0.497
£0.443
£0.405
Reel
£0.334
Min.: 1
Mult.: 1
: 2,500
8-bit Microcontrollers - MCU SMD/SMT QFN-20 CIP-51 8051 8 bit 25 MHz 2 kB 256 B 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 3,867In Stock
Cut Tape
£2.65
£2.07
£1.84
£1.69
Reel
£1.34
Min.: 1
Mult.: 1
: 2,500
8-bit Microcontrollers - MCU SMD/SMT QFN-32 CIP-51 8051 8 bit 72 MHz 64 kB 4.25 kB 10 bit/12 bit/14 bit 29 I/O - 40 C + 105 C Reel, 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 1,000In Stock
Cut Tape
£0.766
£0.552
£0.497
£0.437
Reel
£0.362
Min.: 1
Mult.: 1
: 3,000
8-bit Microcontrollers - MCU SMD/SMT QFN-16 8 bit 50 MHz 16 kB 512 B 12 bit 12 I/O - 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
£0.834
£0.711
£0.623
£0.572
Reel
£0.404
Min.: 1
Mult.: 1
: 2,500
8-bit Microcontrollers - MCU SMD/SMT QFN-20 16 kB 1.28 kB 16 I/O - 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 1,148In Stock
Cut Tape
£2.01
£1.48
£1.36
£1.21
Reel
£1.05
Min.: 1
Mult.: 1
: 2,500
8-bit Microcontrollers - MCU SMD/SMT QFN-32 CIP-51 8051 8 bit 50 MHz 64 kB 4.35 kB 10 bit, 12 bit 29 I/O - 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
£1.12
£1.03
£0.925
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT SOIC-20 8051 8 bit 24 MHz 4 kB 128 B No ADC 15 I/O - 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
£0.743
£0.535
£0.482
£0.423
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-12 8 bit 50 MHz 16 kB 512 B 12 bit 9 I/O - 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
£0.766
£0.552
£0.497
£0.437
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-16 8 bit 50 MHz 16 kB 512 B 12 bit 12 I/O - 40 C + 85 C Cut Tape
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V 666In Stock
£11.11
£8.63
£7.58
£7.32
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT TQFP-100 8051 8 bit 50 MHz 64 kB 8 kB 12 bit 70 I/O - 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 2,500In Stock
Cut Tape
£2.30
£1.71
£1.56
£1.41
Reel
£1.20
Min.: 1
Mult.: 1
: 2,500
8-bit Microcontrollers - MCU SMD/SMT QFN-32 CIP-51 8051 8 bit 50 MHz 64 kB 4.35 kB 10 bit, 12 bit 29 I/O - 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 993In Stock
1,500Expected 30/11/2026
Cut Tape
£2.14
£1.59
£1.46
£1.31
Reel
£1.18
Min.: 1
Mult.: 1
: 2,500
8-bit Microcontrollers - MCU SMD/SMT QFN-24 CIP-51 8051 8 bit 50 MHz 64 kB 4.35 kB 10 bit, 12 bit 20 I/O - 40 C + 125 C Reel, Cut Tape, MouseReel
Infineon Technologies 8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V 136In Stock
£16.60
£15.26
£11.81
£11.42
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT SSOP-48 8051 8 bit 67 MHz 64 kB 8 kB 20 bit 29 I/O - 40 C + 85 C Tube

Silicon Labs 8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU 1,008In Stock
6,300On Order
£0.995
£0.773
£0.689
£0.613
Min.: 1
Mult.: 1
8-bit Microcontrollers - MCU SMD/SMT QFN-20 CIP-51 8051 8 bit 25 MHz 2 kB 256 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 Sleepy Bee MCU 4,899In Stock
7,500On Order
Cut Tape
£1.49
£1.10
£1.00
£0.89
Reel
£0.766
Min.: 1
Mult.: 1
: 2,500
8-bit Microcontrollers - MCU SMD/SMT CSP-16 CIP-51 8051 8 bit 25 MHz 8 kB 256 B 12 bit 13 I/O - 40 C + 85 C Reel, Cut Tape, MouseReel

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 27/11/2026
Cut Tape
£1.27
£0.986
£0.871
£0.796
Reel
£0.68
Min.: 1
Mult.: 1
: 2,500
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 Reel, Cut Tape, MouseReel