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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:
$2.28
-
3,729In Stock
|
Mouser Part #
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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|
3,729In Stock
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$2.28
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$1.92
|
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$1.69
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$1.57
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View
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|
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$1.48
|
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$1.29
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$1.12
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$1.02
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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
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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
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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:
$2.52
-
59,467In Stock
-
58,500Expected 1/8/2027
|
Mouser Part #
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 1/8/2027
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$2.52
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$2.09
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$1.87
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$1.55
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$1.24
|
|
|
View
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$1.46
|
|
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$1.34
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|
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$1.20
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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
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- 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:
$3.28
-
2,666In Stock
|
Mouser Part #
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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$3.28
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$2.54
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$2.30
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$1.95
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$1.63
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View
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$1.74
|
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$1.63
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$1.37
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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
|
+ 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:
$2.48
-
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
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$2.48
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$2.11
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$1.98
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$1.85
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$1.38
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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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|
|
|
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:
$2.09
-
263In Stock
-
2,520Expected 1/8/2027
|
Mouser Part #
634-8BB21F16GCQFN20
|
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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263In Stock
2,520Expected 1/8/2027
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$2.09
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$1.78
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$1.56
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$1.46
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|
|
View
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$1.40
|
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$1.24
|
|
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$1.15
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$1.11
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$1.09
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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:
$2.73
-
1,412In Stock
|
Mouser Part #
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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$2.73
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$2.30
|
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$1.96
|
|
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$1.86
|
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|
View
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$1.82
|
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$1.61
|
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$1.29
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|
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$1.26
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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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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:
$3.38
-
166In Stock
|
Mouser Part #
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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$3.38
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$2.20
|
|
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$2.00
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$1.69
|
|
|
View
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$1.23
|
|
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$1.59
|
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$1.40
|
|
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$1.23
|
|
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$1.23
|
|
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:
$5.33
-
44In Stock
-
2,520Expected 9/1/2026
|
Mouser Part #
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 9/1/2026
|
|
|
$5.33
|
|
|
$3.85
|
|
|
$3.50
|
|
|
$3.04
|
|
|
$2.74
|
|
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:
$4.15
-
1In Stock
|
Mouser Part #
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
|
|
|
$4.15
|
|
|
$2.70
|
|
|
$2.55
|
|
|
$2.13
|
|
|
View
|
|
|
$2.03
|
|
|
$1.76
|
|
|
$1.50
|
|
|
$1.46
|
|
|
$1.43
|
|
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:
$5.80
-
1,498Expected 9/1/2026
|
Mouser Part #
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 9/1/2026
|
|
|
$5.80
|
|
|
$3.84
|
|
|
$3.48
|
|
|
$2.96
|
|
|
View
|
|
|
$2.47
|
|
|
$2.81
|
|
|
$2.52
|
|
|
$2.47
|
|
|
$2.47
|
|
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:
$1.63
-
Non-Stocked Lead-Time 31 Weeks
|
Mouser Part #
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
|
|
Mexico