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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:
$2.38
-
4,729In 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
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|
4,729In Stock
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$2.38
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$2.01
|
|
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$1.77
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|
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$1.65
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|
View
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|
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$1.55
|
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$1.35
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$1.17
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$1.09
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Min.: 1
Mult.: 1
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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
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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:
$2.64
-
59,467In Stock
-
58,500Expected 15/1/2027
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Mouser Part No
634-8BB21F16GCQFN20R
|
Silicon Labs
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8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
|
|
59,467In Stock
58,500Expected 15/1/2027
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$2.64
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$2.19
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$1.96
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$1.62
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$1.30
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|
|
View
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$1.52
|
|
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$1.40
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|
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$1.25
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Min.: 1
Mult.: 1
:
1,500
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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
|
12 bit
|
16 I/O
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2.2 V
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3.6 V
|
SMD/SMT
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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:
$3.43
-
2,666In Stock
|
Mouser Part No
634-8BB22F16GCQFN28R
|
Silicon Labs
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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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$3.43
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$2.65
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$2.41
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$2.04
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$1.70
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View
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$1.82
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$1.70
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$1.43
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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
|
QFN-28
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50 MHz
|
12 bit
|
22 I/O
|
2.2 V
|
3.6 V
|
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
- EFM8BB21F16I-C-QSOP24
- Silicon Labs
-
1:
$2.60
-
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
|
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3,126In Stock
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$2.60
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$2.20
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$2.07
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$1.93
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$1.44
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Min.: 1
Mult.: 1
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CIP-51 8051
|
16 kB
|
2.3 kB
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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:
$2.19
-
278In Stock
-
2,520Expected 15/1/2027
|
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
|
|
278In Stock
2,520Expected 15/1/2027
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$2.19
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$1.86
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$1.63
|
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$1.52
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|
|
View
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$1.47
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$1.29
|
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$1.20
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$1.16
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$1.14
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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
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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
- EFM8BB22F16G-C-QFN28
- Silicon Labs
-
1:
$2.86
-
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
|
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1,412In Stock
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$2.86
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$2.41
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$2.05
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$1.94
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View
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$1.92
|
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$1.71
|
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$1.46
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$1.44
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$1.43
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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
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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
- EFM8BB21F16I-C-QFN20R
- Silicon Labs
-
1:
$3.54
-
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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$3.54
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$2.30
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$2.09
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$1.77
|
|
|
View
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$1.29
|
|
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$1.66
|
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$1.47
|
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$1.29
|
|
|
$1.29
|
|
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
|
|
|
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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:
$5.58
-
44In Stock
-
2,520Expected 1/9/2026
|
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 1/9/2026
|
|
|
$5.58
|
|
|
$4.03
|
|
|
$3.66
|
|
|
$3.02
|
|
|
View
|
|
|
$2.90
|
|
|
$2.65
|
|
|
$2.50
|
|
|
$2.46
|
|
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:
$4.32
-
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
|
|
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$4.32
|
|
|
$2.82
|
|
|
$2.58
|
|
|
$2.22
|
|
|
View
|
|
|
$2.09
|
|
|
$1.89
|
|
|
$1.58
|
|
|
$1.54
|
|
|
$1.47
|
|
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:
$6.07
-
1,498Expected 1/9/2026
|
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 1/9/2026
|
|
|
$6.07
|
|
|
$4.01
|
|
|
$3.64
|
|
|
$3.10
|
|
|
View
|
|
|
$2.58
|
|
|
$2.94
|
|
|
$2.64
|
|
|
$2.58
|
|
|
$2.58
|
|
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:
$1.70
-
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
|
|
Singapore