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8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL
- AT89LP51-20AU
- Microchip Technology
-
1:
$1.72
-
130In Stock
-
480Expected 10/23/2026
|
Mouser Part #
556-AT89LP51-20AU
|
Microchip Technology
|
8-bit Microcontrollers - MCU Single Cycle 8051 4K ISP FL
|
|
130In Stock
480Expected 10/23/2026
|
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$1.72
|
|
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$1.56
|
|
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$1.42
|
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Min.: 1
Mult.: 1
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8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V
- CY8C3866PVI-070
- Infineon Technologies
-
1:
$22.12
-
237In Stock
|
Mouser Part #
727-CY8C3866PVI-070
|
Infineon Technologies
|
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V
|
|
237In Stock
|
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$22.12
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$20.33
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$15.73
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$15.21
|
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View
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$15.19
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$14.39
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Quote
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Min.: 1
Mult.: 1
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8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
- CY8C3245LTI-139
- Infineon Technologies
-
1:
$9.64
-
449In Stock
|
Mouser Part #
727-CY8C3245LTI-139
|
Infineon Technologies
|
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
|
|
449In Stock
|
|
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$9.64
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$7.50
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$6.64
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$6.37
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View
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$6.08
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$5.91
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$5.68
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Quote
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Min.: 1
Mult.: 1
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8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V
- CY8C3866AXI-040
- Infineon Technologies
-
1:
$26.91
-
297In Stock
|
Mouser Part #
727-CY8C3866AXI-040
|
Infineon Technologies
|
8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V
|
|
297In Stock
|
|
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$26.91
|
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$21.60
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$18.95
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$18.40
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View
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$18.22
|
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$17.44
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Quote
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Min.: 1
Mult.: 1
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8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
- CY8C3246PVI-147
- Infineon Technologies
-
1:
$11.99
-
371In Stock
|
Mouser Part #
727-CY8C3246PVI-147
|
Infineon Technologies
|
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
|
|
371In Stock
|
|
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$11.99
|
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$11.30
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|
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$8.26
|
|
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$7.95
|
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View
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$7.48
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$7.25
|
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Quote
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Min.: 1
Mult.: 1
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|
Development Boards & Kits - 8051 EFM8BB50 Explorer Kit
- BB50-EK2702A
- Silicon Labs
-
1:
$30.32
-
15In Stock
|
Mouser Part #
634-BB50-EK2702A
|
Silicon Labs
|
Development Boards & Kits - 8051 EFM8BB50 Explorer Kit
|
|
15In Stock
|
|
Min.: 1
Mult.: 1
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|
|
Development Boards & Kits - 8051 MCU University Kit includes Toolstick University Starter Kit and Textbook
- MCUNIVERSITYKIT
- Silicon Labs
-
1:
$77.52
-
Non-Stocked
|
Mouser Part #
634-MCUNIVERSITYKIT
|
Silicon Labs
|
Development Boards & Kits - 8051 MCU University Kit includes Toolstick University Starter Kit and Textbook
|
|
Non-Stocked
|
|
Min.: 1
Mult.: 1
|
|
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|
|
Development Boards & Kits - 8051 EFM8 BB52 Pro Kit
- BB52-PK5206B
- Silicon Labs
-
1:
$93.00
-
16In Stock
-
7On Order
|
Mouser Part #
634-BB52-PK5206B
|
Silicon Labs
|
Development Boards & Kits - 8051 EFM8 BB52 Pro Kit
|
|
16In Stock
7On Order
|
|
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:
$1.29
-
3,286In Stock
-
6,300Expected 10/23/2026
|
Mouser Part #
634-8SB10F2GAQF20
|
Silicon Labs
|
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU
|
|
3,286In Stock
6,300Expected 10/23/2026
|
|
|
$1.29
|
|
|
$1.10
|
|
|
$0.96
|
|
|
$0.859
|
|
|
View
|
|
|
$0.804
|
|
|
$0.726
|
|
|
$0.662
|
|
|
$0.637
|
|
Min.: 1
Mult.: 1
|
|
|
|
|
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
- EFM8SB20F64G-B-QFN32
- Silicon Labs
-
1:
$4.50
-
1,111In Stock
-
End of Life
|
Mouser Part #
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
|
|
1,111In Stock
|
|
|
$4.50
|
|
|
$2.98
|
|
|
$2.52
|
|
|
$2.31
|
|
|
View
|
|
|
$2.20
|
|
|
$1.97
|
|
|
$1.94
|
|
|
$1.77
|
|
|
$1.76
|
|
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:
$0.92
-
12,661In Stock
-
73,500Expected 10/2/2026
|
Mouser Part #
634-8BB10F8GAQF20R
|
Silicon Labs
|
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
|
|
12,661In Stock
73,500Expected 10/2/2026
|
|
|
$0.92
|
|
|
$0.779
|
|
|
$0.64
|
|
|
$0.598
|
|
|
View
|
|
|
$0.50
|
|
|
$0.528
|
|
|
$0.513
|
|
|
$0.50
|
|
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:
$1.70
-
7,408In Stock
|
Mouser Part #
634-8SB10F8GAQF20R
|
Silicon Labs
|
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
|
|
7,408In Stock
|
|
|
$1.70
|
|
|
$1.41
|
|
|
$1.22
|
|
|
$1.15
|
|
|
$0.816
|
|
|
View
|
|
|
$1.01
|
|
|
$0.904
|
|
|
$0.798
|
|
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:
$1.36
-
3,538In Stock
|
Mouser Part #
634-8SB10F2GAQF20R
|
Silicon Labs
|
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Sleepy Bee MCU
|
|
3,538In Stock
|
|
|
$1.36
|
|
|
$1.14
|
|
|
$0.98
|
|
|
$0.921
|
|
|
$0.662
|
|
|
View
|
|
|
$0.912
|
|
|
$0.807
|
|
|
$0.736
|
|
|
$0.637
|
|
Min.: 1
Mult.: 1
:
1,500
|
|
|
|
|
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:
$1.11
-
12,398In Stock
|
Mouser Part #
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
|
|
12,398In Stock
|
|
|
$1.11
|
|
|
$0.946
|
|
|
$0.83
|
|
|
$0.762
|
|
|
$0.538
|
|
|
View
|
|
|
$0.709
|
|
|
$0.649
|
|
|
$0.594
|
|
|
$0.456
|
|
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:
$0.96
-
1,000In Stock
|
Mouser Part #
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
|
|
1,000In Stock
|
|
|
$0.96
|
|
|
$0.67
|
|
|
$0.601
|
|
|
$0.525
|
|
|
View
|
|
|
$0.466
|
|
|
$0.489
|
|
|
$0.467
|
|
|
$0.466
|
|
Min.: 1
Mult.: 1
:
3,000
|
|
|
|
|
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:
$0.75
-
706In Stock
|
Mouser Part #
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
|
|
706In Stock
|
|
|
$0.75
|
|
|
$0.58
|
|
|
$0.537
|
|
|
$0.494
|
|
|
View
|
|
|
$0.391
|
|
|
$0.374
|
|
|
$0.364
|
|
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-QFN20
- Silicon Labs
-
1:
$1.61
-
4,231In Stock
|
Mouser Part #
634-8SB10F8GAQF20
|
Silicon Labs
|
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
|
|
4,231In Stock
|
|
|
$1.61
|
|
|
$1.37
|
|
|
$1.20
|
|
|
$1.08
|
|
|
View
|
|
|
$1.01
|
|
|
$0.878
|
|
|
$0.816
|
|
|
$0.798
|
|
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:
$1.20
-
1,546In Stock
|
Mouser Part #
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
|
|
1,546In Stock
|
|
|
$1.20
|
|
|
$1.03
|
|
|
$0.901
|
|
|
$0.833
|
|
|
View
|
|
|
$0.731
|
|
|
$0.692
|
|
|
$0.582
|
|
|
$0.53
|
|
|
$0.514
|
|
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:
$1.80
-
3,031In Stock
|
Mouser Part #
634-8SB10F8GAQF24R
|
Silicon Labs
|
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
|
|
3,031In Stock
|
|
|
$1.80
|
|
|
$1.50
|
|
|
$1.29
|
|
|
$1.22
|
|
|
$0.916
|
|
|
View
|
|
|
$1.20
|
|
|
$1.07
|
|
|
$0.97
|
|
|
$0.896
|
|
Min.: 1
Mult.: 1
:
1,500
|
|
|
|
|
Development Boards & Kits - 8051 EFM8BB3 Busy Bee Starter Kit
- SLSTK2022A
- Silicon Labs
-
1:
$107.00
-
12In Stock
|
Mouser Part #
634-SLSTK2022A
|
Silicon Labs
|
Development Boards & Kits - 8051 EFM8BB3 Busy Bee Starter Kit
|
|
12In Stock
|
|
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:
$1.01
-
973In Stock
|
Mouser Part #
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
|
|
973In Stock
|
|
|
$1.01
|
|
|
$0.77
|
|
|
$0.691
|
|
|
$0.604
|
|
|
View
|
|
|
$0.561
|
|
|
$0.536
|
|
|
$0.515
|
|
|
$0.493
|
|
|
$0.48
|
|
Min.: 1
Mult.: 1
|
|
|
|
|
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
- EFM8BB21F16I-C-QSOP24
- Silicon Labs
-
1:
$1.91
-
3,126In Stock
-
End of Life
|
Mouser Part #
634-8BB21F16ICQSOP24
End of Life
|
Silicon Labs
|
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
|
|
3,126In Stock
|
|
|
$1.91
|
|
|
$1.62
|
|
|
$1.42
|
|
|
$1.34
|
|
|
View
|
|
|
$1.21
|
|
|
$1.03
|
|
Min.: 1
Mult.: 1
|
|
|
|
|
8-bit Microcontrollers - MCU 2K FLASH 24MHZ SOIC
- AT89S2051-24SU
- Microchip Technology
-
1:
$2.61
-
504In Stock
|
Mouser Part #
556-A89S2051-24SU
|
Microchip Technology
|
8-bit Microcontrollers - MCU 2K FLASH 24MHZ SOIC
|
|
504In Stock
|
|
|
$2.61
|
|
|
$2.39
|
|
|
$2.18
|
|
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:
$0.91
-
15,601In Stock
|
Mouser Part #
634-8BB10F2GAQF20R
|
Silicon Labs
|
8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU
|
|
15,601In Stock
|
|
|
$0.91
|
|
|
$0.762
|
|
|
$0.66
|
|
|
$0.62
|
|
|
$0.456
|
|
|
View
|
|
|
$0.54
|
|
|
$0.498
|
|
|
$0.417
|
|
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:
$0.98
-
648In Stock
|
Mouser Part #
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
|
|
648In Stock
|
|
|
$0.98
|
|
|
$0.756
|
|
|
$0.671
|
|
|
$0.604
|
|
|
View
|
|
|
$0.562
|
|
|
$0.537
|
|
|
$0.516
|
|
|
$0.493
|
|
|
$0.48
|
|
Min.: 1
Mult.: 1
|
|
|
