.hide-partial { max-height: none; } .show-more { display: none; }

All Results for "8051 microcontroller" (657)

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

Filter by

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V

CY8C3666LTI-027
Infineon Technologies
1: £16.94
147In Stock

Mfr. Part No.
CY8C3666LTI-027

Mouser Part No
727-CY8C3666LTI-027

Infineon Technologies

8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V

Learn More

Datasheet

147In Stock

£16.94

£13.54

£12.18

£12.13

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU Single-Cycle 8051 64K ISP Flash

AT89LP6440-20AU
Microchip Technology
1: £8.78
437In Stock

Mfr. Part No.
AT89LP6440-20AU

Mouser Part No
556-AT89LP6440-20AU

Microchip Technology

8-bit Microcontrollers - MCU Single-Cycle 8051 64K ISP Flash

Datasheet

437In Stock

£8.78

£8.05

£7.30

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V

CY8C3245LTI-163
Infineon Technologies
1: £7.32
733In Stock

Mfr. Part No.
CY8C3245LTI-163

Mouser Part No
727-CY8C3245LTI-163

Infineon Technologies

8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V

Learn More

Datasheet

733In Stock

£7.32

£5.70

£5.05

£4.85

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL

AT89LP51-20AU
Microchip Technology
1: £1.29
130In Stock
480Expected 28/09/2026

Mfr. Part No.
AT89LP51-20AU

Mouser Part No
556-AT89LP51-20AU

Microchip Technology

8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL

Learn More

Datasheet

130In Stock

480Expected 28/09/2026

£1.29

£1.17

£1.07

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V

CY8C3866PVI-070
Infineon Technologies
1: £16.60
237In Stock

Mfr. Part No.
CY8C3866PVI-070

Mouser Part No
727-CY8C3866PVI-070

Infineon Technologies

8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V

Learn More

Datasheet

237In Stock

£16.60

£15.26

£11.81

£11.42

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V

CY8C3246PVI-147
Infineon Technologies
1: £9.00
371In Stock

Mfr. Part No.
CY8C3246PVI-147

Mouser Part No
727-CY8C3246PVI-147

Infineon Technologies

8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V

Learn More

Datasheet

371In Stock

£9.00

£8.49

£6.20

£5.97

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V

CY8C3866AXI-040
Infineon Technologies
1: £20.71
307In Stock

Mfr. Part No.
CY8C3866AXI-040

Mouser Part No
727-CY8C3866AXI-040

Infineon Technologies

8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V

Learn More

Datasheet

307In Stock

£20.71

£16.43

£15.47

£13.98

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V

CY8C3245LTI-139
Infineon Technologies
1: £7.24
449In Stock

Mfr. Part No.
CY8C3245LTI-139

Mouser Part No
727-CY8C3245LTI-139

Infineon Technologies

8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V

Learn More

Datasheet

449In Stock

£7.24

£5.63

£4.98

£4.78

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU

EFM8SB10F2G-A-QFN20
Silicon Labs
1: £0.969
3,429In Stock
6,300Expected 09/10/2026

Mfr. Part No.
EFM8SB10F2G-A-QFN20

Mouser Part No
634-8SB10F2GAQF20

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU

Learn More

Datasheet

3,429In Stock

6,300Expected 09/10/2026

£0.969

£0.826

£0.721

£0.645

View

Min.: 1
Mult.: 1

Development Boards & Kits - 8051 MCU University Kit includes Toolstick University Starter Kit and Textbook

MCUNIVERSITYKIT
Silicon Labs
1: £59.70
N/A

Mfr. Part No.
MCUNIVERSITYKIT

Mouser Part No
634-MCUNIVERSITYKIT

Silicon Labs

Development Boards & Kits - 8051 MCU University Kit includes Toolstick University Starter Kit and Textbook

Datasheet

N/A

£59.70

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU

EFM8BB10F8G-A-QFN20R
Silicon Labs
1: £0.691
12,671In Stock
73,500On Order

Mfr. Part No.
EFM8BB10F8G-A-QFN20R

Mouser Part No
634-8BB10F8GAQF20R

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

12,671In Stock

73,500On Order

Cut Tape

£0.691

£0.585

£0.48

£0.449

View

Reel

£0.39

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Development Boards & Kits - 8051 EFM8BB50 Explorer Kit

BB50-EK2702A
Silicon Labs
1: £23.68
15In Stock

Mfr. Part No.
BB50-EK2702A

Mouser Part No
634-BB50-EK2702A

Silicon Labs

Development Boards & Kits - 8051 EFM8BB50 Explorer Kit

Learn More

Datasheet

15In Stock

£23.68

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU

EFM8BB10F2G-A-QFN20R
Silicon Labs
1: £0.684
15,601In Stock

Mfr. Part No.
EFM8BB10F2G-A-QFN20R

Mouser Part No
634-8BB10F2GAQF20R

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

15,601In Stock

Cut Tape

£0.684

£0.572

£0.496

£0.465

Reel

£0.342

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU

EFM8SB10F2G-A-QFN20R
Silicon Labs
1: £1.02
6,628In Stock
9,000Expected 01/09/2026

Mfr. Part No.
EFM8SB10F2G-A-QFN20R

Mouser Part No
634-8SB10F2GAQF20R

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU

Datasheet

6,628In Stock

9,000Expected 01/09/2026

Cut Tape

£1.02

£0.856

£0.736

£0.691

Reel

£0.497

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU

EFM8SB10F8G-A-QFN20R
Silicon Labs
1: £1.27
8,908In Stock

Mfr. Part No.
EFM8SB10F8G-A-QFN20R

Mouser Part No
634-8SB10F8GAQF20R

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU

Datasheet

8,908In Stock

Cut Tape

£1.27

£1.06

£0.917

£0.863

Reel

£0.613

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

EFM8BB50F16I-A-SOIC16
Silicon Labs
1: £0.934
959In Stock

Mfr. Part No.
EFM8BB50F16I-A-SOIC16

Mouser Part No
634-M8BB50F16IASIC16

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

Learn More

Datasheet

959In Stock

£0.934

£0.796

£0.735

£0.656

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

EFM8BB50F8G-A-SOIC16
Silicon Labs
1: £0.834
995In Stock

Mfr. Part No.
EFM8BB50F8G-A-SOIC16

Mouser Part No
634-M8BB50F8GASOIC16

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

Learn More

Datasheet

995In Stock

£0.834

£0.711

£0.623

£0.572

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

EFM8BB50F4I-A-SOIC16
Silicon Labs
1: £0.759
663In Stock

Mfr. Part No.
EFM8BB50F4I-A-SOIC16

Mouser Part No
634-M8BB50F4IASOIC16

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

Learn More

Datasheet

663In Stock

£0.759

£0.649

£0.603

£0.539

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

EFM8BB50F16G-A-SOIC16
Silicon Labs
1: £0.899
1,546In Stock

Mfr. Part No.
EFM8BB50F16G-A-SOIC16

Mouser Part No
634-M8BB50F16GASIC16

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

Learn More

Datasheet

1,546In Stock

£0.899

£0.773

£0.716

£0.625

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU

EFM8SB10F8G-A-QFN24R
Silicon Labs
1: £1.35
3,031In Stock

Mfr. Part No.
EFM8SB10F8G-A-QFN24R

Mouser Part No
634-8SB10F8GAQF24R

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU

Datasheet

3,031In Stock

Cut Tape

£1.35

£1.13

£0.969

£0.917

Reel

£0.668

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU

EFM8SB10F8G-A-QFN20
Silicon Labs
1: £1.20
4,233In Stock

Mfr. Part No.
EFM8SB10F8G-A-QFN20

Mouser Part No
634-8SB10F8GAQF20

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU

Learn More

Datasheet

4,233In Stock

£1.20

£1.03

£0.899

£0.811

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

EFM8BB50F4G-A-QFN12
Silicon Labs
1: £0.586
706In Stock

Mfr. Part No.
EFM8BB50F4G-A-QFN12

Mouser Part No
634-M8BB50F4GAQFN12

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

Learn More

Datasheet

706In Stock

£0.586

£0.503

£0.469

£0.443

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU

EFM8BB51F16I-C-QFN20R
Silicon Labs
1: £0.834
12,398In Stock

Mfr. Part No.
EFM8BB51F16I-C-QFN20R

Mouser Part No
634-EFM851F16IQFN20R

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU

Learn More

Datasheet

12,398In Stock

Cut Tape

£0.834

£0.711

£0.623

£0.572

Reel

£0.404

View

Min.: 1
Mult.: 1

: 2,500

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

EFM8BB50F16G-A-QFN16R
Silicon Labs
1: £1.25
1,000In Stock

Mfr. Part No.
EFM8BB50F16G-A-QFN16R

Mouser Part No
634-M8BB50F16GAFN16R

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU

Learn More

Datasheet

1,000In Stock

Cut Tape

£1.25

£0.796

£0.707

£0.582

View

Reel

£0.352

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

EFM8BB50F16G-A-QFN12
Silicon Labs
1: £0.78
607In Stock

Mfr. Part No.
EFM8BB50F16G-A-QFN12

Mouser Part No
634-M8BB50F16GAQFN12

Silicon Labs

8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU

Learn More

Datasheet

607In Stock

£0.78

£0.666

£0.585

£0.52

View

Min.: 1
Mult.: 1

All Results for "8051 microcontroller" (657)

Customer Service Office

Company

Resources

Support

All Results for "8051 microcontroller" (657)

Semiconductors

Embedded Solutions