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8051 microcontroller Microcontrollers - MCU

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Types of Microcontrollers - MCU

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Part #

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F32I-D-QFN24R
Silicon Labs
1: $4.34
2,622In Stock
End of Life

Mfr. Part #
EFM8BB31F32I-D-QFN24R

Mouser Part #
634-EF8BB31F32IDF24R

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

2,622In Stock

Cut Tape

$4.34

$2.86

$2.64

$2.30

Reel

$1.52

View

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-24

CIP-51 8051

32 kB

8 bit

10 bit, 12 bit

50 MHz

20 I/O

2.3 kB

2.2 V

3.6 V

- 40 C

+ 125 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F32I-D-QFP32
Silicon Labs
1: $5.36
1,246In Stock
End of Life

Mfr. Part #
EFM8BB31F32I-D-QFP32

Mouser Part #
634-EF8BB31F32IDQP32

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

1,246In Stock

$5.36

$3.55

$3.24

$2.74

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-32

CIP-51 8051

32 kB

8 bit

10 bit, 12 bit

50 MHz

28 I/O

2.3 kB

2.2 V

3.6 V

- 40 C

+ 125 C

Tray

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU

EFM8SB20F64G-B-QFP32
Silicon Labs
1: $6.41
858In Stock
End of Life

Mfr. Part #
EFM8SB20F64G-B-QFP32

Mouser Part #
634-EFM8SBF64GBQFP32

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU

Datasheet

858In Stock

$6.41

$4.24

$3.86

$3.29

View

Min.: 1
Mult.: 1

SMD/SMT

CIP-51 8051

64 kB

8 bit

10 bit

25 MHz

24 I/O

4.25 kB

1.8 V

3.6 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 4K FLASH 2.7 TO 5.5V

AT89C4051-12PU
Microchip Technology
1: $3.00
2In Stock
End of Life

Mfr. Part #
AT89C4051-12PU

Mouser Part #
556-A89C405112PU

End of Life

Microchip Technology

8-bit Microcontrollers - MCU 4K FLASH 2.7 TO 5.5V

Datasheet

2In Stock

$3.00

$2.38

$2.26

$2.17

Min.: 1
Mult.: 1

Through Hole

PDIP-20

8051

4 kB

8 bit

No ADC

12 MHz

15 I/O

128 B

2.7 V

6 V

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU

EFM8UB20F32G-B-QFP48R
Silicon Labs
1: $7.31
281In Stock
End of Life

Mfr. Part #
EFM8UB20F32G-B-QFP48R

Mouser Part #
634-EFM8UB32GBQFP48R

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 48 MHz 32 kB flash 2 kB RAM 8-bit Universal Bee MCU

Datasheet

281In Stock

Cut Tape

$7.31

$4.84

$4.41

$3.74

Reel

$3.09

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

SMD/SMT

QFP-48

CIP-51 8051

32 kB

8 bit

10 bit

48 MHz

40 I/O

2.25 kB

3.6 V

2.2 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

EFM8BB31F64G-D-QSOP24R
Silicon Labs
1: $5.08
157In Stock
End of Life

Mfr. Part #
EFM8BB31F64G-D-QSOP24R

Mouser Part #
634-EF8BB31F64GDS24R

End of Life

Silicon Labs

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

Datasheet

157In Stock

Cut Tape

$5.08

$3.45

$3.19

$2.77

$1.81

View

Min.: 1
Mult.: 1

SMD/SMT

QSOP-24

CIP-51 8051

64 kB

8 bit

10 bit, 12 bit

50 MHz

21 I/O

4.35 kB

2.2 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

EFM8BB31F32I-D-QSOP24
Silicon Labs
1: $4.60
143In Stock
End of Life

Mfr. Part #
EFM8BB31F32I-D-QSOP24

Mouser Part #
634-EF8BB31F32IDSO24

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 32 kB flash 2.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

143In Stock

$4.60

$3.03

$2.81

$2.44

View

Min.: 1
Mult.: 1

SMD/SMT

QSOP-24

CIP-51 8051

32 kB

8 bit

10 bit, 12 bit

50 MHz

21 I/O

2.3 kB

2.2 V

3.6 V

- 40 C

+ 125 C

Tube

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

EFM8BB10F4A-A-QFN20
Silicon Labs
1: $4.54
120In Stock
End of Life

Mfr. Part #
EFM8BB10F4A-A-QFN20

Mouser Part #
634-FM8BB10F4AAQFN20

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

120In Stock

$4.54

$2.99

$2.76

$2.39

View

Min.: 1
Mult.: 1

SMD/SMT

CIP-51 8051

4 kB

8 bit

12 bit

25 MHz

16 I/O

512 B

2.2 V

3.6 V

- 40 C

+ 125 C

AEC-Q100

Tube

8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU

EFM8LB12F32E-C-QSOP24
Silicon Labs
1: $5.66
65In Stock
End of Life

Mfr. Part #
EFM8LB12F32E-C-QSOP24

Mouser Part #
634-LB12F32ECQSOP24

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 75 MHz 32 kB flash 2.25 kB RAM 8-bit Laser Bee MCU

Datasheet

65In Stock

$5.66

$3.74

$3.41

$2.90

View

Min.: 1
Mult.: 1

SMD/SMT

QSOP-24

CIP-51 8051

32 kB

8 bit

10 bit/12 bit/14 bit

72 MHz

21 I/O

2.25 kB

2.2 V

3.6 V

- 40 C

+ 105 C

Tube

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 5 V CAN 8-bit MCU

C8051F565-IQ
Silicon Labs
1: $12.31
11,620In Stock
End of Life

Mfr. Part #
C8051F565-IQ

Mouser Part #
634-C8051F565-IQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 5 V CAN 8-bit MCU

Datasheet

11,620In Stock

$12.31

$10.21

$9.50

$8.63

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-32

8051

16 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 50 MIPS, 16 kB, 2 kB, CAN2.0, SPI, UART, I2C, QFP32

C8051F565-IQR
Silicon Labs
1: $15.07
400In Stock
End of Life

Mfr. Part #
C8051F565-IQR

Mouser Part #
634-C8051F565-IQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 50 MIPS, 16 kB, 2 kB, CAN2.0, SPI, UART, I2C, QFP32

Datasheet

400In Stock

Cut Tape

$15.07

$11.71

$11.18

$9.70

$8.44

View

Min.: 1
Mult.: 1

8051

8 bit

Reel, Cut Tape

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

C8051F385-GQ
Silicon Labs
1: $9.14
1,044In Stock
End of Life

Mfr. Part #
C8051F385-GQ

Mouser Part #
634-C8051F385-GQ

End of Life

Silicon Labs

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

Datasheet

1,044In Stock

$9.14

$7.59

$7.06

$6.38

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-32

8051

64 kB

8 bit

48 MHz

25 I/O

4.35 kB

2.7 V

5.25 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU Next gen available (F382-GQ) 25 MIPS,32KB,10ADC,USB,48Pin

C8051F345-GQR
Silicon Labs
1: $28.57
113In Stock
End of Life

Mfr. Part #
C8051F345-GQR

Mouser Part #
634-C8051F345-GQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU Next gen available (F382-GQ) 25 MIPS,32KB,10ADC,USB,48Pin

Datasheet

113In Stock

Cut Tape

$28.57

$23.09

$22.14

$19.50

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-48

8051

32 kB

8 bit

10 bit

25 MHz

40 I/O

3.25 kB

2.7 V

5.25 V

- 40 C

+ 85 C

Reel, Cut Tape

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

C8051F563-IQ
Silicon Labs
1: $14.57
535In Stock
End of Life

Mfr. Part #
C8051F563-IQ

Mouser Part #
634-C8051F563-IQ

End of Life

Silicon Labs

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

Datasheet

535In Stock

$14.57

$11.27

$10.75

$9.33

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-32

8051

32 kB

8 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 USB-Flash-32k-LQFP32

C8051F387-GQR
Silicon Labs
1: $10.19
265In Stock
End of Life

Mfr. Part #
C8051F387-GQR

Mouser Part #
634-C8051F387-GQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU USB-Flash-32k-LQFP32

Datasheet

265In Stock

Cut Tape

$10.19

$7.12

$6.79

$5.89

$5.12

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-32

8051

32 kB

8 bit

48 MHz

25 I/O

2.3 kB

2.7 V

5.25 V

- 40 C

+ 85 C

Reel, Cut Tape

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

C8051F045-GQ
Silicon Labs
1: $28.42
728In Stock
End of Life

Mfr. Part #
C8051F045-GQ

Mouser Part #
634-C8051F045-GQ

End of Life

Silicon Labs

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

Datasheet

728In Stock

$28.42

$23.63

$22.15

$20.53

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-64

8051

64 kB

8 bit

8 bit, 10 bit

25 MHz

32 I/O

4.25 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 5 V 8-bit MCU

C8051F567-IQ
Silicon Labs
1: $13.62
429In Stock
End of Life

Mfr. Part #
C8051F567-IQ

Mouser Part #
634-C8051F567-IQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 16 kB 5 V 8-bit MCU

Datasheet

429In Stock

$13.62

$10.53

$10.05

$8.72

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-32

8051

16 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 32kB/4kB RAM, 10bADC, DC-DC, 0.9V, QFN24

C8051F921-G-GM
Silicon Labs
1: $5.60
932In Stock
End of Life

Mfr. Part #
C8051F921-G-GM

Mouser Part #
634-C8051F921-G-GM

End of Life

Silicon Labs

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

Learn More

Datasheet

932In Stock

$5.60

$4.67

$3.93

$3.74

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-24

8051

32 kB

8 bit

10 bit

25 MHz

16 I/O

4.25 kB

900 mV

3.6 V

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 50 MIPS, 64 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFP32

C8051F502-IQR
Silicon Labs
1: $18.85
1,873In Stock
End of Life

Mfr. Part #
C8051F502-IQR

Mouser Part #
634-C8051F502-IQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 50 MIPS, 64 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFP32

Datasheet

1,873In Stock

Cut Tape

$18.85

$14.33

$13.73

$12.10

Reel

$10.75

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

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

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 50 MIPS, 32 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFP32

C8051F506-IQR
Silicon Labs
1: $17.71
389In Stock
End of Life

Mfr. Part #
C8051F506-IQR

Mouser Part #
634-C8051F506-IQR

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 50 MIPS, 32 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFP32

Datasheet

389In Stock

Cut Tape

$17.71

$13.44

$12.90

$11.36

$10.10

View

MouseReel Available

Min.: 1
Mult.: 1

SMD/SMT

QFP-32

8051

64 kB

8 bit

12 bit

50 MHz

40 I/O

256 B

1.8 V

5.25 V

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

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

C8051F310-GQR
Silicon Labs
1: $16.81
877In Stock
End of Life

Mfr. Part #
C8051F310-GQR

Mouser Part #
634-C8051F310-GQR

End of Life

Silicon Labs

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

Datasheet

877In Stock

Cut Tape

$16.81

$13.94

$13.01

$11.88

Reel

$10.93

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

SMD/SMT

LQFP-32

8051

16 kB

8 bit

10 bit

25 MHz

29 I/O

1.25 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

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

C8051F220-GQR
Silicon Labs
1: $15.72
73In Stock
End of Life

Mfr. Part #
C8051F220-GQR

Mouser Part #
634-C8051F220-GQR

End of Life

Silicon Labs

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

Datasheet

73In Stock

Cut Tape

$15.72

$12.23

$11.66

$10.13

$8.46

View

MouseReel Available

Min.: 1
Mult.: 1

SMD/SMT

TQFP-48

8051

8 kB

8 bit

25 MHz

32 I/O

256 B

2.7 V

3.6 V

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8kB/512B RAM, QSOP24

C8051F987-C-GU
Silicon Labs
1: $6.01
102In Stock
End of Life

Mfr. Part #
C8051F987-C-GU

Mouser Part #
634-C8051F987-GU

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8kB/512B RAM, QSOP24

Datasheet

102In Stock

$6.01

$3.98

$3.63

$3.08

View

Min.: 1
Mult.: 1

SMD/SMT

QSOP-24

8051

8 kB

8 bit

No ADC

25 MHz

17 I/O

512 B

1.8 V

3.6 V

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 8kB/512B RAM, 12b ADC, 13ch CapSense, QFN20

C8051F990-C-GM
Silicon Labs
1: $6.25
90In Stock
End of Life

Mfr. Part #
C8051F990-C-GM

Mouser Part #
634-C8051F990-GM

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8kB/512B RAM, 12b ADC, 13ch CapSense, QFN20

Datasheet

90In Stock

$6.25

$4.13

$3.77

$3.21

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

8051

8 kB

8 bit

12 bit

25 MHz

16 I/O

512 B

1.8 V

3.6 V

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 8051 25 MHz 32 kB flash 8 kB RAM low power cap sense 8-bit MCU

C8051F972-A-GM
Silicon Labs
1: $6.59
69In Stock
End of Life

Mfr. Part #
C8051F972-A-GM

Mouser Part #
634-C8051F972-A-GM

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 32 kB flash 8 kB RAM low power cap sense 8-bit MCU

Datasheet

69In Stock

$6.59

$5.49

$4.62

$4.41

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-24

8051

32 kB

8 bit

10 bit

25 MHz

19 I/O

8 kB

1.8 V

3.6 V

- 40 C

+ 85 C

Tube

8051 microcontroller Microcontrollers - MCU

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CSP-16
DFN-10
LQFP-32
LQFP-80
PDIP-14
PDIP-20
PDIP-40
PLCC-44
PQFP-48
QFN-11
QFN-12
QFN-16
QFN-20
QFN-24
QFN-28
QFN-32
QFN-40
QFN-48
QFN-68
QFP-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
19 I/O
20 I/O
21 I/O
22 I/O
24 I/O
25 I/O
28 I/O
29 I/O
31 I/O
32 I/O
33 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