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Silicon Labs Microcontrollers - MCU

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Types of Microcontrollers - MCU

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Part #

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU

C8051F021-GQR
Silicon Labs
1: $50.46
93In Stock

Mfr. Part No.
C8051F021-GQR

Mouser Part No
634-C8051F021-GQR

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB 8-bit MCU

Datasheet

93In Stock

Cut Tape

$50.46

$42.26

$39.82

$36.99

$35.60

Reel

$34.74

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

SMD/SMT

TQFP-64

8051

64 kB

8 bit

8 bit, 12 bit

25 MHz

32 I/O

4.35 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 64KB,10ADC,64Pin MCU

C8051F023-GQR
Silicon Labs
1: $39.57
251In Stock

Mfr. Part No.
C8051F023-GQR

Mouser Part No
634-C8051F023-GQR

Silicon Labs

8-bit Microcontrollers - MCU 64KB,10ADC,64Pin MCU

Datasheet

251In Stock

Cut Tape

$39.57

$33.03

$31.05

$28.72

$27.58

Reel

$26.17

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

SMD/SMT

TQFP-64

8051

64 kB

8 bit

8 bit, 10 bit

25 MHz

32 I/O

4.35 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8kB/256B RAM, 8b ADC, 2% osc, QFN11 OTP available (T600-GM)

C8051F300-GMR
Silicon Labs
1: $8.97
1,127In Stock

Mfr. Part No.
C8051F300-GMR

Mouser Part No
634-C8051F300-GMR

Silicon Labs

8-bit Microcontrollers - MCU 8kB/256B RAM, 8b ADC, 2% osc, QFN11 OTP available (T600-GM)

Datasheet

1,127In Stock

Cut Tape

$8.97

$7.45

$6.92

$6.26

View

Reel

$5.41

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

SMD/SMT

QFN-11

8051

8 kB

8 bit

25 MHz

8 I/O

256 B

2.7 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU

C8051F580-IM
Silicon Labs
1: $17.12
768In Stock

Mfr. Part No.
C8051F580-IM

Mouser Part No
634-C8051F580-IM

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V CAN LIN 8-bit MCU

Learn More

Datasheet

768In Stock

$17.12

$14.21

$12.80

$12.48

Min.: 1
Mult.: 1

SMD/SMT

QFN-48

8051

128 kB

8 bit

12 bit

24 MHz

40 I/O

8.25 kB

1.8 V

5.25 V

- 40 C

+ 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

EFM8BB51F16I-C-QFN20R
Silicon Labs
1: $1.14
20,080In Stock

Mfr. Part No.
EFM8BB51F16I-C-QFN20R

Mouser Part No
634-EFM851F16IQFN20R

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

20,080In Stock

Cut Tape

$1.14

$0.972

$0.904

$0.806

Reel

$0.603

View

Min.: 1
Mult.: 1

Reel: 2,500

SMD/SMT

QFN-20

16 kB

16 I/O

1.28 kB

1.8 V

5.5 V

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU

C8051F342-GQ
Silicon Labs
1: $28.47
877In Stock
End of Life

Mfr. Part No.
C8051F342-GQ

Mouser Part No
634-C8051F342-GQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU

Learn More

Datasheet

877In Stock

$28.47

$23.67

$22.18

$20.41

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-32

8051

64 kB

8 bit

10 bit

48 MHz

25 I/O

4.25 kB

2.7 V

5.25 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 8KB,24ADC,32Pin MCU

C8051F350-GQ
Silicon Labs
1: $18.57
610In Stock
End of Life

Mfr. Part No.
C8051F350-GQ

Mouser Part No
634-C8051F350-GQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8KB,24ADC,32Pin MCU

Datasheet

610In Stock

$18.57

$15.42

$14.41

$13.66

Quote

Min.: 1
Mult.: 1

SMD/SMT

LQFP-32

8051

8 kB

8 bit

24 bit

50 MHz

17 I/O

768 B

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU

C8051F381-GQ
Silicon Labs
1: $8.99
1,078In Stock
End of Life

Mfr. Part No.
C8051F381-GQ

Mouser Part No
634-C8051F381-GQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 8-bit MCU

Learn More

Datasheet

1,078In Stock

$8.99

$7.46

$6.94

$6.28

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-32

8051

64 kB

8 bit

10 bit

48 MHz

25 I/O

4.25 kB

2.7 V

5.25 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU USB-Flash-64k-ADC-LQFP32

C8051F381-GQR
Silicon Labs
1: $8.99
1,280In Stock
End of Life

Mfr. Part No.
C8051F381-GQR

Mouser Part No
634-C8051F381-GQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU USB-Flash-64k-ADC-LQFP32

Datasheet

1,280In Stock

Cut Tape

$8.99

$7.46

$6.94

$6.28

Reel

$5.70

View

Min.: 1
Mult.: 1

Reel: 500

SMD/SMT

LQFP-32

8051

64 kB

8 bit

10 bit

48 MHz

25 I/O

4.25 kB

2.7 V

5.25 V

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU

C8051F412-GQ
Silicon Labs
1: $19.46
496In Stock
1,250Expected 20/3/2026
End of Life

Mfr. Part No.
C8051F412-GQ

Mouser Part No
634-C8051F412-GQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU

Datasheet

496In Stock

1,250Expected 20/3/2026

$19.46

$15.73

$14.43

$13.09

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-32

8051

16 kB

8 bit

12 bit

50 MHz

24 I/O

2.31 kB

2 V

5.25 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU

C8051F412-GQR
Silicon Labs
1: $23.89
294In Stock
End of Life

Mfr. Part No.
C8051F412-GQR

Mouser Part No
634-C8051F412-GQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 8-bit MCU

Datasheet

294In Stock

Cut Tape

$23.89

$18.75

$17.97

$15.85

Reel

$14.04

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

SMD/SMT

LQFP-32

8051

16 kB

8 bit

12 bit

50 MHz

24 I/O

2.31 kB

2 V

5.25 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU

C8051F503-IQ
Silicon Labs
1: $14.43
1,559In Stock
End of Life

Mfr. Part No.
C8051F503-IQ

Mouser Part No
634-C8051F503-IQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 64 kB 5 V 8-bit MCU

Datasheet

1,559In Stock

$14.43

$11.95

$11.15

$10.15

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-32

8051

64 kB

8 bit

12 bit

50 MHz

25 I/O

4.25 kB

1.8 V

5.25 V

- 40 C

+ 125 C

AEC-Q100

Tray

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU

C8051F506-IQ
Silicon Labs
1: $14.29
1,717In Stock
End of Life

Mfr. Part No.
C8051F506-IQ

Mouser Part No
634-C8051F506-IQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU

Datasheet

1,717In Stock

$14.29

$11.86

$11.05

$10.06

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-32

8051

32 kB

8 bit

12 bit

50 MHz

25 I/O

4.25 kB

1.8 V

5.25 V

- 40 C

+ 125 C

AEC-Q100

Tray

8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, DFN10

C8051F521A-IM
Silicon Labs
1: $6.21
2,359In Stock
End of Life

Mfr. Part No.
C8051F521A-IM

Mouser Part No
634-C8051F521A-IM

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, DFN10

Datasheet

2,359In Stock

$6.21

$6.20

$5.75

$5.12

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

8051

8 kB

8 bit

12 bit

25 MHz

6 I/O

256 B

1.8 V

5.25 V

- 40 C

+ 125 C

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU

C8051F560-IQ
Silicon Labs
1: $10.36
511In Stock
End of Life

Mfr. Part No.
C8051F560-IQ

Mouser Part No
634-C8051F560-IQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB 5 V CAN LIN 8-bit MCU

Datasheet

511In Stock

$10.36

$8.59

$7.99

$7.27

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-32

8051

32 kB

8 bit

12 bit

50 MHz

25 I/O

2.25 kB

1.8 V

5.25 V

- 40 C

+ 125 C

AEC-Q100

Tray

8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU

EFM8UB20F64G-B-QFP32
Silicon Labs
1: $7.45
2,068In Stock
End of Life

Mfr. Part No.
EFM8UB20F64G-B-QFP32

Mouser Part No
634-EFM8UBF64GBQFP32

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 48 MHz 64 kB flash 4 kB RAM 8-bit Universal Bee MCU

Datasheet

2,068In Stock

$7.45

$5.09

$4.16

$3.60

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-32

CIP-51 8051

64 kB

8 bit

10 bit

48 MHz

25 I/O

4.25 kB

3.3 V

- 40 C

+ 85 C

Tray

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

EFM32TG11B520F128GQ48-B
Silicon Labs
1: $6.49
250In Stock

Mfr. Part No.
EFM32TG11B520F128GQ48-B

Mouser Part No
634-1B520F128GQ48-B

Silicon Labs

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

Learn More

Datasheet

250In Stock

$6.49

$5.41

$5.02

$4.52

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-48

ARM Cortex M0+

128 kB

32 bit

12 bit

48 MHz

34 I/O

32 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 1024 kB MCU

EFM32GG12B110F1024GQ64-A
Silicon Labs
1: $12.33
221In Stock

Mfr. Part No.
EFM32GG12B110F1024GQ64-A

Mouser Part No
634-2B110F1024GQ64A

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 1024 kB MCU

Learn More

Datasheet

221In Stock

$12.33

$10.22

$9.54

$8.73

$8.72

Min.: 1
Mult.: 1

SMD/SMT

QFP-64

ARM Cortex M4

1.02 MB

32 bit

2 x 12 bit

72 MHz

53 I/O

192 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 512 kB LCD MCU

EFM32GG12B330F512GQ100-A
Silicon Labs
1: $18.17
8In Stock

Mfr. Part No.
EFM32GG12B330F512GQ100-A

Mouser Part No
634-2B330F512GQ100A

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 512 kB LCD MCU

Learn More

Datasheet

8In Stock

$18.17

$14.76

$14.08

$12.23

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-100

ARM Cortex M4

512 kB

32 bit

2 x 12 bit

72 MHz

86 I/O

192 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 1024 kB USB LCD MCU

EFM32GG12B810F1024GQ100-A
Silicon Labs
1: $17.03
22In Stock
1,350Expected 10/4/2026

Mfr. Part No.
EFM32GG12B810F1024GQ100-A

Mouser Part No
634-2B810F1024GQ100A

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 72 MHz 1024 kB USB LCD MCU

Learn More

Datasheet

22In Stock

1,350Expected 10/4/2026

$17.03

$13.21

$12.11

$11.13

$10.77

Min.: 1
Mult.: 1

SMD/SMT

QFP-100

ARM Cortex M4

1.02 MB

32 bit

2 x 12 bit

72 MHz

81 I/O

192 kB

1.8 V

3.8 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES

EFM32GG280F1024G-E-QFP100
Silicon Labs
1: $23.91
87In Stock

Mfr. Part No.
EFM32GG280F1024G-E-QFP100

Mouser Part No
634-32GG280F1024-E

Silicon Labs

ARM Microcontrollers - MCU 1024k Flash, 128k RAM, AES

Learn More

Datasheet

87In Stock

$23.91

$21.98

$18.57

$18.56

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-100

ARM Cortex M3

1.02 MB

32 bit

12 bit

48 MHz

85 I/O

128 kB

1.98 V

3.8 V

- 40 C

+ 85 C

Tray

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

EFM8BB10F4G-A-QFN20
Silicon Labs
1: $1.20
243In Stock

Mfr. Part No.
EFM8BB10F4G-A-QFN20

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

Learn More

Datasheet

243In Stock

$1.20

$1.03

$0.955

$0.924

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

CIP-51 8051

4 kB

8 bit

12 bit

25 MHz

16 I/O

512 B

2.2 V

3.6 V

- 40 C

+ 85 C

Tube

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

EFM8BB10F8G-A-QFN20
Silicon Labs
1: $1.40
151In Stock

Mfr. Part No.
EFM8BB10F8G-A-QFN20

Mouser Part No
634-8BB10F8GAQF20

Silicon Labs

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

Learn More

Datasheet

151In Stock

$1.40

$1.19

$1.11

$0.974

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

CIP-51 8051

8 kB

8 bit

12 bit

25 MHz

16 I/O

512 B

2.2 V

3.6 V

- 40 C

+ 85 C

Tube

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

EFM8BB10F8G-A-SOIC16
Silicon Labs
1: $1.40
1,491In Stock

Mfr. Part No.
EFM8BB10F8G-A-SOIC16

Mouser Part No
634-8BB10F8GASO16

Silicon Labs

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

Learn More

Datasheet

1,491In Stock

$1.40

$1.19

$1.05

$0.96

View

Min.: 1
Mult.: 1

SMD/SMT

SOIC-16

CIP-51 8051

8 kB

8 bit

12 bit

25 MHz

13 I/O

512 B

2.2 V

3.6 V

- 40 C

+ 85 C

Tube

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

EFM8BB10F8I-A-SOIC16
Silicon Labs
1: $1.56
1,289In Stock
1,008Expected 3/4/2026

Mfr. Part No.
EFM8BB10F8I-A-SOIC16

Mouser Part No
634-8BB10F8I-ASOIC16

Silicon Labs

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

Learn More

Datasheet

1,289In Stock

1,008Expected 3/4/2026

$1.56

$1.33

$1.17

$1.16

View

Min.: 1
Mult.: 1

SMD/SMT

SOIC-16

CIP-51 8051

8 kB

8 bit

12 bit

25 MHz

13 I/O

512 B

2.2 V

3.6 V

- 40 C

+ 125 C

Tube

Silicon Labs Microcontrollers - MCU

Types of Microcontrollers - MCU

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BGA-112
BGA-120
BGA-125
BGA-136
BGA-152
BGA-192
BGA-48
CSP-16
CSP-81
LGA-92
LQFP-100
LQFP-32
PQFP-48
QFN-11
QFN-12
QFN-16
QFN-20
QFN-24
QFN-28
QFN-32

6 I/O
8 I/O
9 I/O
12 I/O
13 I/O
15 I/O
16 I/O
17 I/O
18 I/O
20 I/O
21 I/O
22 I/O
24 I/O
25 I/O
26 I/O
28 I/O
29 I/O
32 I/O
33 I/O
34 I/O

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
3.25 kB
4 kB
4.25 kB
4.35 kB
8 kB
8.25 kB
16 kB
32 kB