8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB51F16G-C-TSSOP20
Silicon Labs
1:
$1.07
1,452 In Stock
Mouser Part No
634-EFM8516GCTSSOP20
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
1,452 In Stock
Alternative Packaging
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16 kB
1.28 kB
TSSOP-20
16 I/O
1.8 V
5.5 V
SMD/SMT
- 40 C
+ 85 C
Cut Tape
8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40 to 85
+5 images
N76E003AT20
Nuvoton
1:
$0.83
1,227 In Stock
Mouser Part No
503-N76E003AT20
Nuvoton
8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40 to 85
1,227 In Stock
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8051
18 kB
256 B
TSSOP-20
16 MHz
12 bit
18 I/O
2.4 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 105 C
Tube
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
EFM8UB10F16G-C-QFN28R
Silicon Labs
1:
$2.71
105 In Stock
7,500 Expected 08/01/2027
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
105 In Stock
7,500 Expected 08/01/2027
Alternative Packaging
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Min.: 1
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Reel :
2,500
Details
CIP-51 8051
16 kB
2.25 kB
QFN-28
50 MHz
12 bit
22 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8UB
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
EFM8UB10F16G-C-QFN20
Silicon Labs
1:
$2.58
164 In Stock
Mouser Part No
634-8UB10F16GCQFN20
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
164 In Stock
Alternative Packaging
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CIP-51 8051
16 kB
2.25 kB
QFN-20
50 MHz
12 bit
13 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8UB
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
+2 images
EFM8BB22F16G-C-QFN28
Silicon Labs
1:
$2.05
1,187 In 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
1,187 In Stock
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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 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB51F16I-C-TSSOP20
Silicon Labs
1:
$1.19
146 In Stock
Mouser Part No
634-EFM851F16TSSOP20
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
146 In Stock
Alternative Packaging
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Details
16 kB
1.28 kB
TSSOP-20
16 I/O
1.8 V
5.5 V
SMD/SMT
- 40 C
+ 85 C
Cut Tape
8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU
+1 image
EFM8UB20F64G-B-QFN32R
Silicon Labs
1:
$3.98
69 In Stock
Mouser Part No
634-EFM8UB64GBQFN32R
Silicon Labs
8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU
69 In Stock
Alternative Packaging
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2,500
Details
CIP-51 8051
64 kB
4.25 kB
QFN-32
48 MHz
10 bit
25 I/O
3.3 V
3.3 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8UB2
Reel, Cut Tape
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:
$1.78
331 In 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
331 In Stock
Alternative Packaging
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Reel :
2,500
Details
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
+2 images
EFM8BB22F16G-C-QFN28R
Silicon Labs
1:
$2.15
111 In 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
111 In Stock
Alternative Packaging
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Mult.: 1
Reel :
2,500
Details
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
Reel, Cut Tape, MouseReel
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:
$1.71
50 In Stock
2,520 Expected 08/01/2027
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
50 In Stock
2,520 Expected 08/01/2027
Alternative Packaging
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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 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
EFM8UB11F16G-C-QSOP24
Silicon Labs
1:
$2.64
122 In Stock
End of Life
Mouser Part No
634-8UB11F16GCQSOP24
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU
122 In Stock
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CIP-51 8051
16 kB
2.25 kB
QSOP-24
50 MHz
12 bit
17 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8UB
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:
$3.33
48 In Stock
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
48 In Stock
Alternative Packaging
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Mult.: 1
Reel :
2,500
Details
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 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F64I-D-QFP32
Silicon Labs
1:
$3.34
8 In Stock
End of Life
Mouser Part No
634-EF8BB31F64IDQP32
End of Life
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
8 In Stock
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CIP-51 8051
64 kB
4.35 kB
QFP-32
50 MHz
10 bit, 12 bit
28 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
Tray
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F16I-D-QFP32
Silicon Labs
1:
$2.44
8 In Stock
NRND
Mouser Part No
634-EF8BB31F16IDQP32
NRND
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
8 In Stock
Alternative Packaging
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Details
CIP-51 8051
16 kB
2.3 kB
QFP-32
50 MHz
10 bit, 12 bit
28 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
Tray
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
+1 image
EFM8LB12F32E-C-QFP32
Silicon Labs
1:
$3.47
510 In Stock
NRND
Mouser Part No
634-LB12F32ECQFP32
NRND
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
510 In Stock
Alternative Packaging
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CIP-51 8051
32 kB
2.25 kB
QFP-32
72 MHz
10 bit/12 bit/14 bit
28 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Tray
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
+1 image
CY8C3446LTI-085
Infineon Technologies
1:
$16.15
6 In Stock
Mouser Part No
727-CY8C3446LTI-085
Infineon Technologies
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
6 In Stock
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8051
64 kB
8 kB
QFN-68
50 MHz
12 bit
48 I/O
1.71 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
CY8C3446
Tray
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
EFM8BB10F8A-A-QFN20
Silicon Labs
1:
$2.55
20 In Stock
Mouser Part No
634-FM8BB10F8AAQFN20
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU
20 In Stock
Alternative Packaging
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CIP-51 8051
8 kB
512 B
25 MHz
12 bit
16 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
EFM8BB1
AEC-Q100
Tube
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
CY8C3445PVI-094
Infineon Technologies
1:
$12.34
134 In Stock
Mouser Part No
727-CY8C3445PVI-094
Infineon Technologies
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
134 In Stock
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8051
32 kB
4 kB
SSOP-48
50 MHz
12 bit
29 I/O
1.71 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
CY8C3445
Tube
8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V
AT89C51RC-24PU
Microchip Technology
1:
$5.17
999 In Stock
Mouser Part No
556-A89C51RC-24PU
Microchip Technology
8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V
999 In Stock
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8051
32 kB
512 B
PDIP-40
24 MHz
No ADC
32 I/O
4 V
5.5 V
Through Hole
8 bit
- 40 C
+ 85 C
89C
Tube
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
+1 image
CY8C3246LTI-149
Infineon Technologies
1:
$14.36
8 In Stock
Mouser Part No
727-CY8C3246LTI-149
Infineon Technologies
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
8 In Stock
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8051
64 kB
8 kB
QFN-68
50 MHz
12 bit
46 I/O
1.71 V
5.5 V
SMD/SMT
8 bit
- 40 C
+ 85 C
CY8C3246
Tray
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
EFM8LB12F32E-C-QFN24
Silicon Labs
1:
$3.03
255 In Stock
Mouser Part No
634-LB12F32ECQFN24
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
255 In Stock
Alternative Packaging
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CIP-51 8051
32 kB
2.25 kB
QFN-24
72 MHz
10 bit/12 bit/14 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
+1 image
EFM8BB31F32I-D-4QFN24
Silicon Labs
1:
$2.41
375 In Stock
Mouser Part No
634-EF8BB31F32ID4F24
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
375 In Stock
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CIP-51 8051
32 kB
2.3 kB
QFN-24
50 MHz
10 bit, 12 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 125 C
Tube
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
EFM8LB10F16E-C-QFN24
Silicon Labs
1:
$2.25
90 In Stock
Mouser Part No
634-LB10F16ECQFN24
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 16 kB flash 1.25 kB RAM 8-bit Laser Bee MCU
90 In Stock
Alternative Packaging
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Mult.: 1
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CIP-51 8051
16 kB
1.25 kB
QFN-24
72 MHz
10 bit/12 bit/14 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Tube
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU
+2 images
EFM8BB10F4G-A-QFN20
Silicon Labs
1:
$1.22
218 In Stock
Mouser Part No
634-8BB10F4GAQF20
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB Flash 0.5 kB RAM 8-bit Busy Bee MCU
218 In Stock
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CIP-51 8051
4 kB
512 B
QFN-20
25 MHz
12 bit
16 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 85 C
EFM8BB1
Tube
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
EFM8LB11F32E-C-QFN24R
Silicon Labs
1:
$2.79
12 In Stock
Mouser Part No
634-LB11F32ECQFN24R
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU
12 In Stock
Alternative Packaging
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Min.: 1
Mult.: 1
Reel :
2,500
Details
CIP-51 8051
32 kB
2.25 kB
QFN-24
72 MHz
10 bit/12 bit/14 bit
20 I/O
2.2 V
3.6 V
SMD/SMT
8 bit
- 40 C
+ 105 C
EFM8LB1
Reel, Cut Tape