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Silicon Labs Embedded Processors & Controllers

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Manufacturer = Silicon Labs

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Part #

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

C8051F920-G-GM
Silicon Labs
1: ¥825.5
63In Stock
End of Life

Mfr. Part #
C8051F920-G-GM

Mouser Part #
634-C8051F920-G-GM

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

Learn More

Datasheet

63In Stock

¥825.5

¥687.7

¥588

¥559.8

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-32

8051

8 bit

25 MHz

32 kB

4.25 kB

10 bit

24 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

C8051F920-G-GMR
Silicon Labs
1: ¥779
1,318In Stock
End of Life

Mfr. Part #
C8051F920-G-GMR

Mouser Part #
634-C8051F920-G-GMR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

Learn More

Datasheet

1,318In Stock

Cut Tape

¥779

¥647.8

¥601.3

¥541.5

Reel

¥455.1

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

8-bit Microcontrollers - MCU

SMD/SMT

QFN-32

8051

8 bit

25 MHz

32 kB

4.25 kB

10 bit

24 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24

C8051F921-G-GMR
Silicon Labs
1: ¥662.7
996In Stock
End of Life

Mfr. Part #
C8051F921-G-GMR

Mouser Part #
634-C8051F921-G-GMR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24

Learn More

Datasheet

996In Stock

Cut Tape

¥662.7

¥551.5

¥513.2

¥461.8

View

Reel

¥400.3

Min.: 1
Mult.: 1

: 1,500

8-bit Microcontrollers - MCU

SMD/SMT

QFN-24

8051

8 bit

25 MHz

32 kB

4.25 kB

10 bit

16 I/O

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

C8051F930-G-GM
Silicon Labs
1: ¥948.4
1,244In Stock
End of Life

Mfr. Part #
C8051F930-G-GM

Mouser Part #
634-C8051F930-G-GM

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 64kB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN32

Learn More

Datasheet

1,244In Stock

¥948.4

¥787.3

¥676

¥644.5

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-32

8051

8 bit

25 MHz

64 kB

4.25 kB

10 bit

24 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F16G-D-QFP32
Silicon Labs
1: ¥348.8
1,070In Stock
End of Life

Mfr. Part #
EFM8BB31F16G-D-QFP32

Mouser Part #
634-EF8BB31F16GDQP32

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

1,070In Stock

¥348.8

¥294

¥272.4

¥244.2

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFP-32

CIP-51 8051

8 bit

50 MHz

16 kB

2.3 kB

10 bit, 12 bit

28 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F64I-D-5QFN32
Silicon Labs
1: ¥747.5
1,358In Stock
End of Life

Mfr. Part #
EFM8BB31F64I-D-5QFN32

Mouser Part #
634-EF8BB31F64ID5F32

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

1,358In Stock

¥747.5

¥495

¥451.8

¥383.7

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-32

CIP-51 8051

8 bit

50 MHz

64 kB

4.35 kB

10 bit, 12 bit

29 I/O

- 40 C

+ 125 C

Tube

ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 128 kB MCU

EFM32JG1B200F128GM48-C0
Silicon Labs
1: ¥792.3
1,102In Stock
End of Life

Mfr. Part #
EFM32JG1B200F128GM48-C0

Mouser Part #
634-JG1B200F128GM48C

End of Life

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 128 kB MCU

Learn More

Datasheet

1,102In Stock

¥792.3

¥659.4

¥612.9

¥559.8

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

QFN-48

ARM Cortex M3

32 bit

40 MHz

128 kB

32 kB

12 bit

32 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Busy Bee MCU

EFM8BB10F4I-A-QFN20
Silicon Labs
1: ¥370.4
244In Stock
End of Life

Mfr. Part #
EFM8BB10F4I-A-QFN20

Mouser Part #
634-M8BB10F4IAQFN20

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 4 kB flash 0.5 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

244In Stock

¥370.4

¥237.5

¥210.9

¥174.4

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-20

CIP-51 8051

8 bit

25 MHz

4 kB

512 B

12 bit

16 I/O

- 40 C

+ 125 C

Tube

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 128 kB MCU

EFM32PG1B200F128GM48-C0
Silicon Labs
1: ¥1,073
688In Stock
End of Life

Mfr. Part #
EFM32PG1B200F128GM48-C0

Mouser Part #
634-PG1B200F128GM48C

End of Life

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 128 kB MCU

Learn More

Datasheet

688In Stock

¥1,073

¥820.5

¥772.4

¥730.8

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

QFN-48

ARM Cortex M4

32 bit

40 MHz

128 kB

32 kB

12 bit

32 I/O

- 40 C

+ 85 C

Tray

RF System on a Chip - SoC Mighty Gecko SoC, 2.4 GHz, 256 kB flash, 32 kB RAM, 19.5 dBm, QFN-48, mesh, BLE, proprietary

EFR32MG1P232F256GM48-C0
Silicon Labs
1: ¥2,039.7
8In Stock
NRND

Mfr. Part #
EFR32MG1P232F256GM48-C0

Mouser Part #
634-32MG1P232F25648C

NRND

Silicon Labs

RF System on a Chip - SoC Mighty Gecko SoC, 2.4 GHz, 256 kB flash, 32 kB RAM, 19.5 dBm, QFN-48, mesh, BLE, proprietary

Learn More

Datasheet

8In Stock

¥2,039.7

¥1,624.5

¥1,518.2

¥1,391.9

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC

SMD/SMT

QFN-48

ARM Cortex M4

32 bit

40 MHz

256 kB

32 kB

12 bit

31 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB

EFM32LG290F256G-F-BGA112
Silicon Labs
1: ¥2,355.3
106In Stock

Mfr. Part #
EFM32LG290F256G-F-BGA112

Mouser Part #
634-32LG290F256GFBGA

Silicon Labs

ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB

Learn More

Datasheet

106In Stock

¥2,355.3

¥1,788.9

¥1,614.5

¥1,511.5

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

BGA-112

ARM Cortex M3

32 bit

48 MHz

256 kB

32 kB

12 bit

90 I/O

- 40 C

+ 85 C

Tray

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: ¥267.4
109In Stock
2,520Expected 1/8/2027

Mfr. Part #
EFM8BB21F16G-C-QFN20

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

Learn More

Datasheet

109In Stock

2,520Expected 1/8/2027

¥267.4

¥227.6

¥199.3

¥186

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-20

CIP-51 8051

8 bit

50 MHz

16 kB

2.3 kB

12 bit

16 I/O

- 40 C

+ 85 C

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: ¥348.8
1,412In Stock

Mfr. Part #
EFM8BB22F16G-C-QFN28

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

Learn More

Datasheet

1,412In Stock

¥348.8

¥294

¥250.8

¥237.5

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-28

CIP-51 8051

8 bit

50 MHz

16 kB

2.3 kB

12 bit

22 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU

EFM8UB10F16G-C-QFN20
Silicon Labs
1: ¥514.9
281In Stock

Mfr. Part #
EFM8UB10F16G-C-QFN20

Mouser Part #
634-8UB10F16GCQFN20

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU

Datasheet

281In Stock

¥514.9

¥373.7

¥345.5

¥302.3

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-20

CIP-51 8051

8 bit

50 MHz

16 kB

2.25 kB

12 bit

13 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU

EFM8UB10F16G-C-QFN20R
Silicon Labs
1: ¥513.2
117In Stock
49,500On Order

Mfr. Part #
EFM8UB10F16G-C-QFN20R

Mouser Part #
634-8UB10F16GCQFN20R

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU

Datasheet

117In Stock

49,500On Order

Cut Tape

¥513.2

¥373.7

¥337.2

¥304

View

Reel

¥250.8

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

8-bit Microcontrollers - MCU

SMD/SMT

QFN-20

CIP-51 8051

8 bit

50 MHz

16 kB

2.25 kB

12 bit

13 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU

EFM8UB10F16G-C-QFN28
Silicon Labs
1: ¥450.1
473In Stock

Mfr. Part #
EFM8UB10F16G-C-QFN28

Mouser Part #
634-8UB10F16GCQFN28

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB flash 2 kB RAM 8-bit Universal Bee MCU

Datasheet

473In Stock

¥450.1

¥378.7

¥322.2

¥305.6

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-28

CIP-51 8051

8 bit

50 MHz

16 kB

2.25 kB

12 bit

22 I/O

- 40 C

+ 85 C

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: ¥431.9
166In Stock

Mfr. Part #
EFM8BB21F16I-C-QFN20R

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

Learn More

Datasheet

166In Stock

Cut Tape

¥431.9

¥280.7

¥255.8

¥215.9

View

Reel

¥157

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

8-bit Microcontrollers - MCU

SMD/SMT

QFN-20

CIP-51 8051

8 bit

50 MHz

16 kB

2.25 kB

12 bit

16 I/O

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU

C8051F338-GM
Silicon Labs
1: ¥1,994.9
57In Stock

Mfr. Part #
C8051F338-GM

Mouser Part #
634-C8051F338-GM

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 16 kB LFO 8-bit MCU

Datasheet

57In Stock

¥1,994.9

¥1,654.4

¥1,411.9

¥1,357

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-24

8051

8 bit

25 MHz

16 kB

768 B

10 bit

21 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F64G-D-QFN32
Silicon Labs
1: ¥435.2
88In Stock
9,800On Order

Mfr. Part #
EFM8BB31F64G-D-QFN32

Mouser Part #
634-EF8BB31F64GDQN32

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB flash 4.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

88In Stock

9,800On Order

¥435.2

¥365.4

¥320.6

¥304

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-32

CIP-51 8051

8 bit

50 MHz

64 kB

4.35 kB

10 bit, 12 bit

29 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

EFM32TG11B120F128GQ48-B
Silicon Labs
1: ¥911.9
35In Stock
1,250Expected 12/7/2026

Mfr. Part #
EFM32TG11B120F128GQ48-B

Mouser Part #
634-EFM32TG128GQ48-B

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 128 kB flash 32 kB RAM MCU

Learn More

Datasheet

35In Stock

1,250Expected 12/7/2026

¥911.9

¥757.4

¥667.7

¥617.9

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

QFP-48

ARM Cortex M0+

32 bit

48 MHz

128 kB

32 kB

12 bit

37 I/O

- 40 C

+ 85 C

Tray

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: ¥189.4
1,452In Stock

Mfr. Part #
EFM8BB51F16G-C-TSSOP20

Mouser Part #
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

Learn More

Datasheet

1,452In Stock

¥189.4

¥160

¥141.8

¥121.6

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TSSOP-20

16 kB

1.28 kB

16 I/O

- 40 C

+ 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: ¥172.7
151In Stock

Mfr. Part #
EFM8BB51F16G-C-QFN20

Mouser Part #
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

Learn More

Datasheet

151In Stock

¥172.7

¥148

¥130.1

¥115.8

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-20

16 kB

1.28 kB

16 I/O

- 40 C

+ 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: ¥247.5
1,060In Stock
7,500Expected 1/4/2027

Mfr. Part #
EFM8BB51F16G-C-QFN20R

Mouser Part #
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

Learn More

Datasheet

1,060In Stock

7,500Expected 1/4/2027

Cut Tape

¥247.5

¥157.6

¥140.7

¥115.8

Reel

¥80.2

View

Min.: 1
Mult.: 1

: 2,500

8-bit Microcontrollers - MCU

SMD/SMT

QFN-20

16 kB

1.28 kB

16 I/O

- 40 C

+ 85 C

Reel, 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: ¥304
194In Stock

Mfr. Part #
EFM8BB51F16I-C-QFN20

Mouser Part #
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

Learn More

Datasheet

194In Stock

¥304

¥194.3

¥172.7

¥142

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-20

16 kB

1.28 kB

16 I/O

- 40 C

+ 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-TSSOP20
Silicon Labs
1: ¥199.3
146In Stock

Mfr. Part #
EFM8BB51F16I-C-TSSOP20

Mouser Part #
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

Learn More

Datasheet

146In Stock

¥199.3

¥171.1

¥149.7

¥135.2

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TSSOP-20

16 kB

1.28 kB

16 I/O

- 40 C

+ 85 C

Cut Tape

BGA-112
BGA-120
BGA-125
BGA-136
BGA-152
BGA-192
BGA-48
CSP-16
CSP-43
CSP-81
LGA-42
LGA-85
LGA-92
LQFP-100
LQFP-32
MSOP-10
PQFP-48
QFN-11
QFN-12
QFN-16

5 MHz
12 MHz
24 MHz
24.5 MHz
25 MHz
32 MHz
38.4 MHz
39 MHz
40 MHz
48 MHz
50 MHz
72 MHz
76.8 MHz
78 MHz
80 MHz
97.5 MHz
100 MHz
150 MHz
180 MHz
2.4 GHz

1.5 kB
2 kB
4 kB
8 kB
16 kB
32 kB
64 kB
96 kB
128 kB
192 kB
256 kB
352 kB
512 kB
768 kB
1 MB
1.02 MB
1024 kB
1152 kB
1.5 MB
1536 kB

8 B, 256 B, 4 kB
128 B
256 B
512 B
768 B
1 kB
1.25 kB
1.28 kB
1.54 kB
2 kB
2.25 kB
2.3 kB
2.31 kB
4 kB
4 kB, 256 B, 8 B
4.25 kB
4.35 kB
4352 B
8 kB
8.25 kB

5 I/O
6 I/O
8 I/O
9 I/O
11 I/O
12 I/O
13 I/O
15 I/O
16 I/O
17 I/O
18 I/O
19 I/O
20 I/O
21 I/O
22 I/O
23 I/O
24 I/O
25 I/O
26 I/O
28 I/O