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Integrated Circuits - ICs

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Part #

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

CY8C3666LTI-027
Infineon Technologies
1: Rp413.886
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

Rp413.886

Rp330.778

Rp297.572

Rp296.288

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Min.: 1
Mult.: 1

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

CY8C3245LTI-139
Infineon Technologies
1: Rp176.855
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

Rp176.855

Rp137.595

Rp121.817

Rp116.864

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Min.: 1
Mult.: 1

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

AT89LP51-20AU
Microchip Technology
1: Rp31.555
130In Stock
480Expected 23/10/2026

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 23/10/2026

Rp31.555

Rp28.620

Rp26.051

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: Rp23.666
3.429In Stock
6.300Expected 23/10/2026

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 23/10/2026

Rp23.666

Rp20.181

Rp17.612

Rp15.759

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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: Rp20.364
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

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Datasheet

12.398In Stock

Cut Tape

Rp20.364

Rp17.355

Rp15.227

Rp13.980

Reel

Rp9.870

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: Rp29.537
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

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Datasheet

4.233In Stock

Rp29.537

Rp25.134

Rp22.015

Rp19.814

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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: Rp16.695
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

Rp16.695

Rp13.980

Rp12.108

Rp11.375

Reel

Rp8.366

View

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: Rp82.557
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

Rp82.557

Rp54.671

Rp49.901

Rp42.379

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-QFN20R
Silicon Labs
1: Rp24.951
12.068In Stock
3.000Expected 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

12.068In Stock

3.000Expected 01/09/2026

Cut Tape

Rp24.951

Rp20.914

Rp17.979

Rp16.897

Reel

Rp12.145

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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

EFM8BB50F16I-A-SOIC16
Silicon Labs
1: Rp22.749
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

Rp22.749

Rp19.447

Rp16.952

Rp15.649

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: Rp20.364
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

Rp20.364

Rp17.355

Rp15.227

Rp13.980

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: Rp18.529
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

Rp18.529

Rp15.851

Rp14.750

Rp13.154

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: Rp22.015
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

Rp22.015

Rp18.896

Rp16.530

Rp15.282

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: Rp16.878
12.661In 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

12.661In Stock

73.500On Order

Cut Tape

Rp16.878

Rp14.292

Rp11.741

Rp10.971

View

Reel

Rp9.173

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: Rp31.188
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

Rp31.188

Rp25.868

Rp22.382

Rp21.098

Reel

Rp14.970

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

EFM8BB50F16G-A-QFN16R
Silicon Labs
1: Rp30.454
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

Rp30.454

Rp19.447

Rp17.282

Rp14.218

View

Reel

Rp8.604

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: Rp19.080
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

Rp19.080

Rp16.273

Rp14.292

Rp12.714

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-QFN16
Silicon Labs
1: Rp18.529
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

Rp18.529

Rp15.851

Rp14.750

Rp14.457

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: Rp14.310
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

Rp14.310

Rp12.292

Rp11.448

Rp10.806

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: Rp33.023
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

Rp33.023

Rp27.519

Rp23.666

Rp22.382

Reel

Rp16.805

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

8-bit Microcontrollers - MCU 2K FLASH 24MHZ SOIC

AT89S2051-24SU
Microchip Technology
1: Rp47.883
504In Stock

Mfr. Part No.
AT89S2051-24SU

Mouser Part No
556-A89S2051-24SU

Microchip Technology

8-bit Microcontrollers - MCU 2K FLASH 24MHZ SOIC

Datasheet

504In Stock

Rp47.883

Rp43.847

Rp39.994

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-CSP16R
Silicon Labs
1: Rp35.958
2.678In Stock
7.500On Order

Mfr. Part No.
EFM8SB10F8G-A-CSP16R

Mouser Part No
634-8SB10F8GA-CSP16R

Silicon Labs

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

Datasheet

2.678In Stock

7.500On Order

Cut Tape

Rp35.958

Rp29.721

Rp25.684

Rp24.217

Reel

Rp18.346

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU

EFM8UB10F16G-C-QFN28R
Silicon Labs
1: Rp49.718
4.493In Stock

Mfr. Part No.
EFM8UB10F16G-C-QFN28R

Mouser Part No
634-8UB10F16GCQFN28R

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU

Datasheet

4.493In Stock

Cut Tape

Rp49.718

Rp41.829

Rp36.692

Rp34.674

Reel

Rp23.850

View

Min.: 1
Mult.: 1

: 1.500

8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU

EFM8LB12F32E-C-QFN24R
Silicon Labs
1: Rp74.852
980In Stock

Mfr. Part No.
EFM8LB12F32E-C-QFN24R

Mouser Part No
634-LB12F32ECQFN24R

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU

Learn More

Datasheet

980In Stock

Cut Tape

Rp74.852

Rp49.534

Rp45.131

Rp38.343

Reel

Rp29.170

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

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

EFM8UB10F8G-C-QFN20
Silicon Labs
1: Rp32.656
2.547In Stock
5.040Expected 11/09/2026

Mfr. Part No.
EFM8UB10F8G-C-QFN20

Mouser Part No
634-8UB10F8GCQFN20

Silicon Labs

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

Datasheet

2.547In Stock

5.040Expected 11/09/2026

Rp32.656

Rp27.702

Rp24.217

Rp22.566

View

Min.: 1
Mult.: 1

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Types of Integrated Circuits - ICs

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