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8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
- EFM8BB21F16I-C-QFN20
- Silicon Labs
-
1:
$1.76
-
3,729In Stock
|
Mouser Part No
634-8BB21F16I-CQFN20
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Silicon Labs
|
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
|
|
3,729In Stock
|
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$1.76
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$1.48
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$1.30
|
|
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$1.21
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|
|
View
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|
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$1.14
|
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$0.99
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$0.862
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$0.785
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$0.784
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Min.: 1
Mult.: 1
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CIP-51 8051
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16 kB
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2.3 kB
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QFN-20
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50 MHz
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12 bit
|
16 I/O
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2.2 V
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3.6 V
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SMD/SMT
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8 bit
|
- 40 C
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+ 125 C
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EFM8BB2
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Tube
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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:
$1.94
-
59,467In Stock
-
58,500Expected 2027/01/08
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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
|
|
59,467In Stock
58,500Expected 2027/01/08
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$1.94
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$1.60
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$1.44
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$1.19
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|
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$0.956
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View
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$1.12
|
|
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$1.03
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|
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$0.921
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|
Min.: 1
Mult.: 1
:
1,500
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CIP-51 8051
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16 kB
|
2.3 kB
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QFN-20
|
50 MHz
|
12 bit
|
16 I/O
|
2.2 V
|
3.6 V
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SMD/SMT
|
8 bit
|
- 40 C
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+ 85 C
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EFM8BB2
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Reel, Cut Tape, MouseReel
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8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
- EFM8BB22F16G-C-QFN28R
- Silicon Labs
-
1:
$2.52
-
2,666In Stock
|
Mouser Part No
634-8BB22F16GCQFN28R
|
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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2,666In Stock
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$2.52
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$1.95
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$1.77
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$1.50
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$1.26
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View
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$1.34
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$1.26
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$1.05
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Min.: 1
Mult.: 1
:
1,500
|
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|
CIP-51 8051
|
16 kB
|
2.3 kB
|
QFN-28
|
50 MHz
|
12 bit
|
22 I/O
|
2.2 V
|
3.6 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 85 C
|
EFM8BB2
|
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Reel, Cut Tape, MouseReel
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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 No
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
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$1.91
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$1.62
|
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$1.52
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|
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$1.42
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$1.06
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Min.: 1
Mult.: 1
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CIP-51 8051
|
16 kB
|
2.3 kB
|
QSOP-24
|
50 MHz
|
12 bit
|
21 I/O
|
2.2 V
|
3.6 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 125 C
|
EFM8BB2
|
|
Tube
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|
|
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8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
- EFM8BB21F16G-C-QFN20
- Silicon Labs
-
1:
$1.60
-
263In Stock
-
2,520Expected 2027/01/08
|
Mouser Part No
634-8BB21F16GCQFN20
|
Silicon Labs
|
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
|
|
263In Stock
2,520Expected 2027/01/08
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$1.60
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$1.37
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$1.20
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$1.12
|
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|
View
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$1.08
|
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$0.952
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$0.886
|
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$0.855
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$0.839
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|
Min.: 1
Mult.: 1
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CIP-51 8051
|
16 kB
|
2.3 kB
|
QFN-20
|
50 MHz
|
12 bit
|
16 I/O
|
2.2 V
|
3.6 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 85 C
|
EFM8BB2
|
|
Tube
|
|
|
|
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
- EFM8BB22F16G-C-QFN28
- Silicon Labs
-
1:
$2.11
-
1,412In Stock
|
Mouser Part No
634-8BB22F16GCQFN28
|
Silicon Labs
|
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
|
|
1,412In Stock
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$2.11
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$1.77
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$1.51
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$1.43
|
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|
View
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$1.40
|
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$1.24
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$0.99
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$0.968
|
|
Min.: 1
Mult.: 1
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CIP-51 8051
|
16 kB
|
2.3 kB
|
QFN-28
|
50 MHz
|
12 bit
|
22 I/O
|
2.2 V
|
3.6 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 85 C
|
EFM8BB2
|
|
Tube
|
|
|
|
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
- EFM8BB21F16I-C-QFN20R
- Silicon Labs
-
1:
$2.61
-
166In Stock
|
Mouser Part No
634-BB21F16ICQFN20R
|
Silicon Labs
|
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
|
|
166In Stock
|
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$2.61
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$1.69
|
|
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$1.54
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|
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$1.30
|
|
|
View
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|
|
$0.946
|
|
|
$1.22
|
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$1.08
|
|
|
$0.947
|
|
|
$0.946
|
|
Min.: 1
Mult.: 1
:
1,500
|
|
|
CIP-51 8051
|
16 kB
|
2.25 kB
|
QFN-20
|
50 MHz
|
12 bit
|
16 I/O
|
2.2 V
|
3.6 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 125 C
|
EFM8BB2
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
- EFM8BB21F16A-C-QFN20
- Silicon Labs
-
1:
$4.11
-
44In Stock
-
2,520Expected 2026/09/01
|
Mouser Part No
634-EFM8BB21F16FN20
|
Silicon Labs
|
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
|
|
44In Stock
2,520Expected 2026/09/01
|
|
|
$4.11
|
|
|
$2.97
|
|
|
$2.69
|
|
|
$2.34
|
|
|
$2.11
|
|
Min.: 1
Mult.: 1
|
|
|
CIP-51 8051
|
16 kB
|
2.25 kB
|
QFN-20
|
50 MHz
|
12 bit
|
16 I/O
|
2.2 V
|
3.6 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 125 C
|
EFM8BB2
|
AEC-Q100
|
Tube
|
|
|
|
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
- EFM8BB22F16I-C-QFN28
- Silicon Labs
-
1:
$3.19
-
1In Stock
|
Mouser Part No
634-8BB22F16ICQFN28
|
Silicon Labs
|
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
|
|
1In Stock
|
|
|
$3.19
|
|
|
$2.08
|
|
|
$1.97
|
|
|
$1.64
|
|
|
View
|
|
|
$1.56
|
|
|
$1.35
|
|
|
$1.15
|
|
|
$1.12
|
|
|
$1.10
|
|
Min.: 1
Mult.: 1
|
|
|
CIP-51 8051
|
16 kB
|
2.3 kB
|
QFN-28
|
50 MHz
|
12 bit
|
22 I/O
|
2.2 V
|
3.6 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 125 C
|
EFM8BB2
|
|
Tube
|
|
|
|
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
- EFM8BB21F16A-C-QFN20R
- Silicon Labs
-
1:
$4.47
-
1,498Expected 2026/09/01
|
Mouser Part No
634-BB21F16ACQFN20R
|
Silicon Labs
|
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
|
|
1,498Expected 2026/09/01
|
|
|
$4.47
|
|
|
$2.95
|
|
|
$2.67
|
|
|
$2.28
|
|
|
View
|
|
|
$1.90
|
|
|
$2.16
|
|
|
$1.94
|
|
|
$1.90
|
|
|
$1.90
|
|
Min.: 1
Mult.: 1
:
1,500
|
|
|
CIP-51 8051
|
16 kB
|
2.25 kB
|
QFN-20
|
50 MHz
|
12 bit
|
16 I/O
|
2.2 V
|
3.6 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 125 C
|
EFM8BB2
|
AEC-Q100
|
Reel, Cut Tape
|
|
|
|
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
- EFM8BB22F16I-C-QFN28R
- Silicon Labs
-
1,500:
$1.26
-
Non-Stocked Lead-Time 31 Weeks
|
Mouser Part No
634-8BB22F16ICQFN28R
|
Silicon Labs
|
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
|
|
Non-Stocked Lead-Time 31 Weeks
|
|
Min.: 1,500
Mult.: 1,500
:
1,500
|
|
|
CIP-51 8051
|
16 kB
|
2.3 kB
|
QFN-28
|
50 MHz
|
12 bit
|
22 I/O
|
2.2 V
|
3.6 V
|
SMD/SMT
|
8 bit
|
- 40 C
|
+ 125 C
|
EFM8BB2
|
|
Reel
|
|