8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
+2 images
EFM8SB10F8G-A-CSP16R
Silicon Labs
1:
$1.99
4,899 In Stock
7,500 On Order
Mouser Part No
634-8SB10F8GA-CSP16R
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
4,899 In Stock
7,500 On Order
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2,500
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SMD/SMT
CSP-16
CIP-51 8051
8 bit
25 MHz
8 kB
256 B
12 bit
13 I/O
3.6 V
2.2 V
+ 85 C
Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
CY8C3446AXI-099
Infineon Technologies
1:
$17.06
242 In Stock
Mouser Part No
727-CY8C3446AXI-099
Infineon Technologies
8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V
242 In Stock
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SMD/SMT
TQFP-100
8051
8 bit
50 MHz
64 kB
8 kB
12 bit
72 I/O
1.71 V
5.5 V
+ 85 C
Tray
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
+2 images
EFM8SB10F4G-A-QFN20
Silicon Labs
1:
$1.60
2 In Stock
Mouser Part No
634-8SB10F4GAQF20
Silicon Labs
8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU
2 In Stock
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SMD/SMT
QFN-20
CIP-51 8051
8 bit
25 MHz
4 kB
512 B
12 bit
16 I/O
1.8 V
3.6 V
+ 85 C
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
+1 image
EFM8BB21F16I-C-QSOP24
Silicon Labs
1:
$1.91
3,126 In 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
3,126 In Stock
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SMD/SMT
QSOP-24
CIP-51 8051
8 bit
50 MHz
16 kB
2.3 kB
12 bit
21 I/O
2.2 V
3.6 V
+ 125 C
Tube
8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU
+1 image
EFM8SB20F64G-B-QFN32
Silicon Labs
1:
$4.50
1,076 In Stock
End of Life
Mouser Part No
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
1,076 In Stock
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SMD/SMT
QFN-32
CIP-51 8051
8 bit
25 MHz
64 kB
4.25 kB
10 bit
24 I/O
1.8 V
3.6 V
+ 85 C
Tube
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
CY8C3245LTI-139
Infineon Technologies
1:
$9.64
186 In Stock
Mouser Part No
727-CY8C3245LTI-139
Infineon Technologies
8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V
186 In Stock
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SMD/SMT
QFN-48
8051
8 bit
50 MHz
32 kB
4 kB
12 bit
29 I/O
1.71 V
5.5 V
+ 85 C
Tray
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:
$1.75
3,229 In Stock
Mouser Part No
634-8BB21F16I-CQFN20
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
3,229 In Stock
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SMD/SMT
QFN-20
CIP-51 8051
8 bit
50 MHz
16 kB
2.3 kB
12 bit
16 I/O
2.2 V
3.6 V
+ 125 C
Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
EFM8BB50F4G-A-QFN16
Silicon Labs
1:
$0.83
352 In Stock
Mouser Part No
634-M8BB50F4GAQFN16
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 4 kB flash 0.5 kB RAM 12 GPIO BB5 8-bit MCU
352 In Stock
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SMD/SMT
QFN-16
8 bit
50 MHz
4 kB
512 B
12 bit
12 I/O
1.8 V
5.5 V
+ 85 C
Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB51F16G-C-QFN20
Silicon Labs
1:
$1.08
151 In Stock
Mouser Part No
634-EFM851F16GCQFN20
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
151 In Stock
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SMD/SMT
QFN-20
16 kB
1.28 kB
16 I/O
1.8 V
5.5 V
+ 85 C
Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
+1 image
EFM8BB21F16A-C-QFN20
Silicon Labs
1:
$3.36
2,443 In Stock
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
2,443 In Stock
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SMD/SMT
QFN-20
CIP-51 8051
8 bit
50 MHz
16 kB
2.25 kB
12 bit
16 I/O
2.2 V
3.6 V
+ 125 C
AEC-Q100
Tube
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB52F16G-C-QFN20
Silicon Labs
1:
$0.92
234 In Stock
Mouser Part No
634-EFM852F16GCQFN20
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
234 In Stock
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SMD/SMT
QFN-20
16 kB
1.28 kB
16 I/O
1.8 V
5.5 V
+ 85 C
Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB52F16G-C-QFN20R
Silicon Labs
1:
$0.96
874 In Stock
Mouser Part No
634-EFM852F16GQFN20R
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
874 In Stock
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2,500
Details
SMD/SMT
QFN-20
16 kB
1.28 kB
16 I/O
1.8 V
5.5 V
+ 85 C
Reel, Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB51F8G-C-QFN20
Silicon Labs
1:
$0.99
294 In Stock
Mouser Part No
634-EFM8B51F8GCQFN20
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
294 In Stock
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SMD/SMT
QFN-20
16 kB
1.28 kB
16 I/O
1.8 V
5.5 V
+ 85 C
Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB51F16G-C-QFN20R
Silicon Labs
1:
$0.93
1,016 In Stock
7,500 On Order
Mouser Part No
634-EFM851F16GQFN20R
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
1,016 In Stock
7,500 On Order
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Reel :
2,500
SMD/SMT
QFN-20
16 kB
1.28 kB
16 I/O
1.8 V
5.5 V
+ 85 C
Reel, Cut Tape
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
+1 image
EFM8LB12F64E-C-QFP32R
Silicon Labs
1:
$3.96
388 In Stock
500 Expected 15/01/2027
Mouser Part No
634-LB12F64ECQFP32R
Silicon Labs
8-bit Microcontrollers - MCU 8051 75 MHz 64 kB flash 4.25 kB RAM 8-bit Laser Bee MCU
388 In Stock
500 Expected 15/01/2027
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500
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SMD/SMT
QFP-32
CIP-51 8051
8 bit
72 MHz
64 kB
4.25 kB
10 bit/12 bit/14 bit
28 I/O
2.2 V
3.6 V
+ 105 C
Reel, Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB51F8G-C-TSSOP20
Silicon Labs
1:
$1.00
297 In Stock
Mouser Part No
634-EFM851F8GCTSOP20
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 8 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
297 In Stock
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SMD/SMT
TSSOP-20
16 kB
1.28 kB
16 I/O
1.8 V
5.5 V
+ 85 C
Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU
EFM8BB52F32I-C-QFN32
Silicon Labs
1:
$1.20
606 In Stock
Mouser Part No
634-EFM852F32ICQFN32
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 29 GPIO BB5 8-bit MCU
606 In Stock
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SMD/SMT
QFN-32
16 kB
1.28 kB
16 I/O
1.8 V
5.5 V
+ 85 C
Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB52F32I-C-TSSOP20
Silicon Labs
1:
$1.28
402 In Stock
Mouser Part No
634-EFM852F32ICTOP20
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 32 kB flash 2.304 kB RAM 16 GPIO BB5 8-bit MCU
402 In Stock
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SMD/SMT
TSSOP-20
16 kB
1.28 kB
16 I/O
1.8 V
5.5 V
+ 85 C
Cut Tape
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
EFM8BB31F64G-D-QFN32R
Silicon Labs
1:
$2.67
5 In Stock
2,500 Expected 29/04/2027
Mouser Part No
634-EF8BB31F64GDN32R
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU
5 In Stock
2,500 Expected 29/04/2027
Alternative Packaging
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2,500
Details
SMD/SMT
QFN-32
CIP-51 8051
8 bit
50 MHz
64 kB
4.35 kB
10 bit, 12 bit
29 I/O
2.2 V
3.6 V
+ 85 C
Reel, Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU
EFM8BB52F16G-C-QFN32
Silicon Labs
1:
$0.97
722 In Stock
400 On Order
Mouser Part No
634-EFM852F16GCQFN32
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 29 GPIO BB5 8-bit MCU
722 In Stock
400 On Order
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SMD/SMT
QFN-32
16 kB
1.28 kB
12 bit
29I/O
1.8 V
5.5 V
+ 85 C
Cut Tape
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
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SMD/SMT
TSSOP-20
16 kB
1.28 kB
16 I/O
1.8 V
5.5 V
+ 85 C
Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
EFM8BB51F16I-C-QFN20
Silicon Labs
1:
$1.14
194 In Stock
Mouser Part No
634-EFM851F16ICQFN20
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 1.28 kB RAM 16 GPIO BB5 8-bit MCU
194 In Stock
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SMD/SMT
QFN-20
16 kB
1.28 kB
16 I/O
1.8 V
5.5 V
+ 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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SMD/SMT
TSSOP-20
8051
8 bit
16 MHz
18 kB
256 B
12 bit
18 I/O
2.4 V
5.5 V
+ 105 C
Tube
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
+1 image
EFM8BB31F32I-D-4QFN24R
Silicon Labs
1:
$2.41
617 In Stock
Mouser Part No
634-EF8BB31F32ID424R
Silicon Labs
8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU
617 In Stock
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2,500
Details
SMD/SMT
QFN-24
CIP-51 8051
8 bit
50 MHz
32 kB
2.3 kB
10 bit, 12 bit
20 I/O
2.2 V
3.6 V
+ 125 C
Reel, Cut Tape
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
EFM8BB50F16I-A-QFN12
Silicon Labs
1:
$1.02
100 In Stock
Mouser Part No
634-M8BB50F16IAQFN12
Silicon Labs
8-bit Microcontrollers - MCU 5 Volt 8051 50 Mhz 16 kB flash 0.5 kB RAM 9 GPIO BB5 8-bit MCU
100 In Stock
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SMD/SMT
QFN-12
8 bit
50 MHz
16 kB
512 B
12 bit
9 I/O
1.8 V
5.5 V
+ 125 C
Cut Tape