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All Results for "8051 microcontroller" (657)

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Part #

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

CY8C3245LTI-139
Infineon Technologies
1: HK$79.24
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

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Datasheet

449In Stock

HK$79.24

HK$61.65

HK$54.58

HK$52.36

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Mult.: 1

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

EFM8BB21F16G-C-QFN20R
Silicon Labs
1: HK$15.95
59,467In Stock
58,500Expected 8/1/2027

Mfr. Part No.
EFM8BB21F16G-C-QFN20R

Mouser Part No
634-8BB21F16GCQFN20R

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

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Datasheet

59,467In Stock

58,500Expected 8/1/2027

Cut Tape

HK$15.95

HK$13.23

HK$11.84

HK$9.78

Reel

HK$7.86

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MouseReel Available

Min.: 1
Mult.: 1

: 1,500

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

CY8C3666LTI-027
Infineon Technologies
1: HK$185.44
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

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Datasheet

147In Stock

HK$185.44

HK$148.21

HK$133.33

HK$132.75

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Mult.: 1

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

CY8C3246PVI-147
Infineon Technologies
1: HK$98.56
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

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Datasheet

371In Stock

HK$98.56

HK$92.89

HK$67.90

HK$65.35

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Mult.: 1

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

CY8C3866AXI-040
Infineon Technologies
1: HK$226.71
297In 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

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Datasheet

297In Stock

HK$226.71

HK$177.39

HK$169.41

HK$151.49

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Mult.: 1

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

AT89LP51-20AU
Microchip Technology
1: HK$14.14
130In Stock
480Expected 13/11/2026

Mfr. Part No.
AT89LP51-20AU

Mouser Part No
556-AT89LP51-20AU

Microchip Technology

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

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Datasheet

130In Stock

480Expected 13/11/2026

HK$14.14

HK$12.82

HK$11.67

Min.: 1
Mult.: 1

Development Boards & Kits - 8051 EFM8BB50 Explorer Kit

BB50-EK2702A
Silicon Labs
1: HK$249.23
15In Stock

Mfr. Part No.
BB50-EK2702A

Mouser Part No
634-BB50-EK2702A

Silicon Labs

Development Boards & Kits - 8051 EFM8BB50 Explorer Kit

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Datasheet

15In Stock

HK$249.23

Min.: 1
Mult.: 1

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

CY8C3245LTI-163
Infineon Technologies
1: HK$80.15
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

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Datasheet

733In Stock

HK$80.15

HK$62.39

HK$55.24

HK$53.02

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Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V

AT89C4051-24PU
Microchip Technology
1: HK$17.43
1,034In Stock

Mfr. Part No.
AT89C4051-24PU

Mouser Part No
556-A89C4051-24PU

Microchip Technology

8-bit Microcontrollers - MCU 8051 4K FLASH 2.7 TO 5.5V 24MHZ 4V-5.5V

Datasheet

1,034In Stock

HK$17.43

HK$14.47

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: HK$10.60
3,429In Stock
6,300Expected 9/10/2026

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

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Datasheet

3,429In Stock

6,300Expected 9/10/2026

HK$10.60

HK$9.04

HK$7.89

HK$7.06

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Min.: 1
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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: HK$11.18
6,578In Stock
9,000Expected 1/9/2026

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

6,578In Stock

9,000Expected 1/9/2026

Cut Tape

HK$11.18

HK$9.37

HK$8.06

HK$7.57

Reel

HK$5.44

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MouseReel Available

Min.: 1
Mult.: 1

: 1,500

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU

EFM8SB20F64G-B-QFN32
Silicon Labs
1: HK$36.99
1,161In Stock
End of Life

Mfr. Part No.
EFM8SB20F64G-B-QFN32

Mouser Part No
634-EFM8SBF64GBQFN32

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU

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Datasheet

1,161In Stock

HK$36.99

HK$24.50

HK$22.36

HK$18.99

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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: HK$9.86
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

HK$9.86

HK$8.47

HK$7.41

HK$6.85

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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-QFN16R
Silicon Labs
1: HK$13.65
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

HK$13.65

HK$8.71

HK$7.74

HK$6.37

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Reel

HK$3.86

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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: HK$7.48
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

HK$7.48

HK$6.26

HK$5.43

HK$5.10

Reel

HK$3.75

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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

EFM8BB50F16G-A-QFN16
Silicon Labs
1: HK$8.30
973In Stock

Mfr. Part No.
EFM8BB50F16G-A-QFN16

Mouser Part No
634-M8BB50F16GAQFN16

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

973In Stock

HK$8.30

HK$7.10

HK$6.61

HK$6.48

View

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: HK$7.56
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

HK$7.56

HK$6.40

HK$5.26

HK$4.92

View

Reel

HK$4.11

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

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: HK$8.30
648In 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

648In Stock

HK$8.30

HK$7.10

HK$6.61

HK$5.89

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

EFM8BB50F16I-A-SOIC16
Silicon Labs
1: HK$10.19
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

HK$10.19

HK$8.71

HK$7.60

HK$7.01

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: HK$9.12
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

HK$9.12

HK$7.78

HK$6.82

HK$6.26

View

Min.: 1
Mult.: 1

Development Boards & Kits - 8051 EFM8BB3 Busy Bee Starter Kit

SLSTK2022A
Silicon Labs
1: HK$879.54
12In Stock

Mfr. Part No.
SLSTK2022A

Mouser Part No
634-SLSTK2022A

Silicon Labs

Development Boards & Kits - 8051 EFM8BB3 Busy Bee Starter Kit

Learn More

Datasheet

12In Stock

HK$879.54

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: HK$9.12
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

HK$9.12

HK$7.78

HK$6.82

HK$6.26

Reel

HK$4.42

View

Min.: 1
Mult.: 1

: 2,500

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: HK$13.23
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

HK$13.23

HK$11.26

HK$9.86

HK$8.88

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: HK$14.80
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

HK$14.80

HK$12.33

HK$10.60

HK$10.03

Reel

HK$7.32

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 9 GPIO BB5 8-bit MCU

EFM8BB50F16G-A-QFN12
Silicon Labs
1: HK$8.55
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

HK$8.55

HK$7.29

HK$6.40

HK$5.70

View

Min.: 1
Mult.: 1

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