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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 50 MHz 128 kB 5 V 8-bit MCU

C8051F583-IQ
Silicon Labs
1: $13.75
558In Stock
End of Life

Mfr. Part No.
C8051F583-IQ

Mouser Part No
634-C8051F583-IQ

End of Life

Silicon Labs

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

Learn More

Datasheet

558In Stock

$13.75

$11.40

$10.64

$9.73

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-32

8051

8 bit

50 MHz

128 kB

8.25 kB

12 bit

25 I/O

1.8 V

5.25 V

+ 125 C

AEC-Q100

Tray

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

C8051F042-GQR
Silicon Labs
1: $28.68
75In Stock
NRND

Mfr. Part No.
C8051F042-GQR

Mouser Part No
634-C8051F042-GQR

NRND

Silicon Labs

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

Datasheet

75In Stock

Cut Tape

$28.68

$24.83

Reel

$18.27

View

Min.: 1
Mult.: 1

Reel: 250

SMD/SMT

TQFP-100

8051

8 bit

25 MHz

64 kB

4.25 kB

10 bit

64 I/O

2.7 V

3.6 V

+ 85 C

Reel, Cut Tape

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

C8051F043-GQR
Silicon Labs
1: $27.52
287In Stock
NRND

Mfr. Part No.
C8051F043-GQR

Mouser Part No
634-C8051F043-GQR

NRND

Silicon Labs

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

Datasheet

287In Stock

Cut Tape

$27.52

$21.53

$20.56

$18.39

View

Reel

$16.69

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

SMD/SMT

TQFP-64

8051

8 bit

25 MHz

64 kB

4.25 kB

8 bit, 10 bit

32 I/O

2.7 V

3.6 V

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 64KB,16ADC,100Pin MCU

C8051F064-GQR
Silicon Labs
1: $30.61
240In Stock
NRND

Mfr. Part No.
C8051F064-GQR

Mouser Part No
634-C8051F064-GQR

NRND

Silicon Labs

8-bit Microcontrollers - MCU 64KB,16ADC,100Pin MCU

Datasheet

240In Stock

Cut Tape

$30.61

$25.88

$24.71

$22.11

Reel

$21.02

View

Min.: 1
Mult.: 1

Reel: 250

SMD/SMT

TQFP-100

8051

8 bit

25 MHz

64 kB

4.25 kB

16 bit

59 I/O

2.7 V

3.6 V

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 8-bit MCU

C8051F127-GQ
Silicon Labs
1: $30.37
197In Stock
NRND

Mfr. Part No.
C8051F127-GQ

Mouser Part No
634-C8051F127-GQ

NRND

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 8-bit MCU

Datasheet

197In Stock

$30.37

$25.41

$25.13

Min.: 1
Mult.: 1

SMD/SMT

TQFP-64

8051

8 bit

50 MHz

128 kB

8.25 kB

8 bit, 10 bit

32 I/O

2.7 V

3.6 V

+ 85 C

Tray

8-bit Microcontrollers - MCU 8051 100 MHz 128 kB MAC 8-bit MCU

C8051F130-GQR
Silicon Labs
1: $35.99
341In Stock
NRND

Mfr. Part No.
C8051F130-GQR

Mouser Part No
634-C8051F130-GQR

NRND

Silicon Labs

8-bit Microcontrollers - MCU 8051 100 MHz 128 kB MAC 8-bit MCU

Datasheet

341In Stock

Cut Tape

$35.99

$32.12

$30.68

$27.44

Reel

$26.17

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

SMD/SMT

TQFP-100

8051

8 bit

100 MHz

128 kB

8.25 kB

64 I/O

3 V

3.6 V

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 100MIPS,64KB,10ADC,100Pin MCU

C8051F132-GQ
Silicon Labs
1: $28.28
117In Stock
NRND

Mfr. Part No.
C8051F132-GQ

Mouser Part No
634-C8051F132-GQ

NRND

Silicon Labs

8-bit Microcontrollers - MCU 100MIPS,64KB,10ADC,100Pin MCU

Datasheet

117In Stock

$28.28

$23.61

$20.63

$19.97

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-100

8051

8 bit

100 MHz

64 kB

8.25 kB

10 bit

64 I/O

3 V

3.6 V

+ 85 C

Tray

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

C8051F330-GM
Silicon Labs
1: $8.89
487In Stock
NRND

Mfr. Part No.
C8051F330-GM

Mouser Part No
634-C8051F330-GM

NRND

Silicon Labs

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

Datasheet

487In Stock

$8.89

$7.37

$6.27

$6.01

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

8051

8 bit

25 MHz

8 kB

768 B

10 bit

17 I/O

2.7 V

3.6 V

+ 85 C

Tube

8-bit Microcontrollers - MCU 8051 25 MHz 4 kB 8-bit MCU

C8051F850-C-GM
Silicon Labs
1: $2.05
1,513In Stock
NRND

Mfr. Part No.
C8051F850-C-GM

Mouser Part No
634-C8051F850-C-GM

NRND

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 4 kB 8-bit MCU

Learn More

Datasheet

1,513In Stock

$2.05

$1.72

$1.60

$1.41

$1.33

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

8051

8 bit

25 MHz

8 kB

512 B

12 bit

16 I/O

2.2 V

3.6 V

+ 85 C

AEC-Q100

Tube

8-bit Microcontrollers - MCU 8051 25 MHz 2 kB 8-bit MCU

C8051F860-C-GS
Silicon Labs
1: $2.47
400In Stock
NRND

Mfr. Part No.
C8051F860-C-GS

Mouser Part No
634-C8051F860-C-GS

NRND

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 2 kB 8-bit MCU

Learn More

Datasheet

400In Stock

$2.47

$2.08

$1.83

$1.67

View

Min.: 1
Mult.: 1

SMD/SMT

SOIC-16

8051

8 bit

25 MHz

8 kB

512 B

12 bit

13 I/O

2.2 V

3.6 V

+ 85 C

AEC-Q100

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: $4.37
1,520In Stock

Mfr. Part No.
EFM8BB21F16A-C-QFN20R

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

Learn More

Datasheet

1,520In Stock

Cut Tape

$4.37

$2.90

$2.66

$2.29

Reel

$1.60

View

Min.: 1
Mult.: 1

Reel: 1,500

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

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: $1.38
5,373In Stock

Mfr. Part No.
EFM8BB21F16I-C-QFN20R

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

Learn More

Datasheet

5,373In Stock

Cut Tape

$1.38

$1.17

$1.09

$0.968

Reel

$0.772

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

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

Reel, Cut Tape, MouseReel

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

C8051F021-GQ
Silicon Labs
1: $36.31
304In Stock

Mfr. Part No.
C8051F021-GQ

Mouser Part No
634-C8051F021-GQ

Silicon Labs

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

Datasheet

304In Stock

$36.31

$30.40

$28.66

$26.06

$25.59

Min.: 1
Mult.: 1

SMD/SMT

TQFP-64

8051

8 bit

25 MHz

64 kB

4.35 kB

8 bit, 12 bit

32 I/O

2.7 V

3.6 V

+ 85 C

Tray

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

C8051F021-GQR
Silicon Labs
1: $36.31
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

$36.31

$30.40

$28.66

$26.61

$25.61

Reel

$25.59

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

SMD/SMT

TQFP-64

8051

8 bit

25 MHz

64 kB

4.35 kB

8 bit, 12 bit

32 I/O

2.7 V

3.6 V

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 64KB,10ADC,100Pin MCU

C8051F022-GQ
Silicon Labs
1: $30.47
526In Stock

Mfr. Part No.
C8051F022-GQ

Mouser Part No
634-C8051F022-GQ

Silicon Labs

8-bit Microcontrollers - MCU 64KB,10ADC,100Pin MCU

Datasheet

526In Stock

$30.47

$25.46

$22.28

$21.60

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-100

8051

8 bit

25 MHz

64 kB

4.35 kB

8 bit, 10 bit

64 I/O

2.7 V

3.6 V

+ 85 C

Tray

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

C8051F023-GQR
Silicon Labs
1: $28.47
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

$28.47

$23.76

$22.34

$20.67

$19.84

Reel

$19.60

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

SMD/SMT

TQFP-64

8051

8 bit

25 MHz

64 kB

4.35 kB

8 bit, 10 bit

32 I/O

2.7 V

3.6 V

+ 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: $6.45
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

$6.45

$5.36

$4.98

$4.50

View

Reel

$3.90

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

SMD/SMT

QFN-11

8051

8 bit

25 MHz

8 kB

256 B

8 bit

8 I/O

2.7 V

3.6 V

+ 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: $12.33
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

$12.33

$10.22

$9.34

Min.: 1
Mult.: 1

SMD/SMT

QFN-48

8051

8 bit

24 MHz

128 kB

8.25 kB

12 bit

40 I/O

1.8 V

5.25 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

EFM8BB51F16I-C-QFN20R
Silicon Labs
1: $0.82
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

$0.82

$0.699

$0.65

$0.58

Reel

$0.434

View

Min.: 1
Mult.: 1

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 8KB,24ADC,32Pin MCU

C8051F350-GQ
Silicon Labs
1: $15.54
608In 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

608In Stock

$15.54

$12.89

$12.05

$11.42

Min.: 1
Mult.: 1

SMD/SMT

LQFP-32

8051

8 bit

50 MHz

8 kB

768 B

24 bit

17 I/O

2.7 V

3.6 V

+ 85 C

Tray

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

C8051F381-GQ
Silicon Labs
1: $6.47
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

$6.47

$5.37

$4.99

$4.52

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-32

8051

8 bit

48 MHz

64 kB

4.25 kB

10 bit

25 I/O

2.7 V

5.25 V

+ 85 C

Tray

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

C8051F381-GQR
Silicon Labs
1: $6.47
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

$6.47

$5.37

$4.99

$4.52

Reel

$4.11

View

Min.: 1
Mult.: 1

Reel: 500

SMD/SMT

LQFP-32

8051

8 bit

48 MHz

64 kB

4.25 kB

10 bit

25 I/O

2.7 V

5.25 V

+ 85 C

Reel, Cut Tape

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

C8051F412-GQ
Silicon Labs
1: $14.00
496In Stock
1,250Expected 2026/03/20
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 2026/03/20

$14.00

$11.33

$10.39

$9.42

$9.00

Min.: 1
Mult.: 1

SMD/SMT

LQFP-32

8051

8 bit

50 MHz

16 kB

2.31 kB

12 bit

24 I/O

2 V

5.25 V

+ 85 C

Tray

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

C8051F412-GQR
Silicon Labs
1: $17.19
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

$17.19

$13.49

$12.93

$11.40

Reel

$10.11

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

SMD/SMT

LQFP-32

8051

8 bit

50 MHz

16 kB

2.31 kB

12 bit

24 I/O

2 V

5.25 V

+ 85 C

Reel, Cut Tape, MouseReel

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

C8051F521A-IM
Silicon Labs
1: $4.47
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

$4.47

$4.14

$3.68

$3.42

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

8051

8 bit

25 MHz

8 kB

256 B

12 bit

6 I/O

1.8 V

5.25 V

+ 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-42
LGA-85
LGA-92
LQFP-100
LQFP-32
MSOP-10
PQFP-48
QFN-11
QFN-12
QFN-16
QFN-20

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
3.25 kB
4 kB
4 kB, 256 B, 8 B
4.25 kB
4.35 kB
4352 B
8 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
20 I/O
21 I/O
22 I/O
24 I/O
25 I/O
26 I/O
27 I/O
28 I/O
29 I/O