.hide-partial { max-height: none; } .show-more { display: none; }

8051 Core Embedded Processors & Controllers

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Embedded Processors & Controllers

List Images

Results: 781

Applied Filters:

Core = 8051

Manufacturer

Product Type

Mounting Style

Package / Case

Data Bus Width

Maximum Clock Frequency

Program Memory Size

Data RAM Size

ADC Resolution

Number of I/Os

Minimum Operating Temperature

Maximum Operating Temperature

Qualification

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

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

C8051F500-IQ
Silicon Labs
1: $17.47
978In Stock

Mfr. Part #
C8051F500-IQ

Mouser Part #
634-C8051F500-IQ

Silicon Labs

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

Datasheet

978In Stock

$17.47

$14.48

$13.50

$12.31

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFP-48

8051

8 bit

50 MHz

64 kB

4.25 kB

12 bit

40 I/O

- 40 C

+ 125 C

AEC-Q100

Tray

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

C8051F505-IQ
Silicon Labs
1: $15.73
637In Stock

Mfr. Part #
C8051F505-IQ

Mouser Part #
634-C8051F505-IQ

Silicon Labs

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

Datasheet

637In Stock

$15.73

$13.05

$12.15

$11.07

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFP-48

8051

8 bit

50 MHz

32 kB

4.25 kB

12 bit

40 I/O

- 40 C

+ 125 C

AEC-Q100

Tray

8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, TSSOP20

C8051F530A-IT
Silicon Labs
1: $8.76
3,611In Stock

Mfr. Part #
C8051F530A-IT

Mouser Part #
634-C8051F530A-IT

Silicon Labs

8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, LIN 2.1, TSSOP20

Datasheet

3,611In Stock

$8.76

$7.27

$6.23

$5.94

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TSSOP-20

8051

8 bit

25 MHz

8 kB

256 B

12 bit

16 I/O

- 40 C

+ 125 C

Tube

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V 8-bit MCU

C8051F531-C-IT
Silicon Labs
1: $9.75
946In Stock

Mfr. Part #
C8051F531-C-IT

Mouser Part #
634-C8051F531-C-IT

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB 5 V 8-bit MCU

Datasheet

946In Stock

$9.75

$8.09

$6.94

$6.63

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TSSOP-20

8051

8 bit

25 MHz

8 kB

256 B

12 bit

16 I/O

- 40 C

+ 125 C

AEC-Q100

Tube

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

C8051F550-IM
Silicon Labs
1: $12.00
2,154In Stock

Mfr. Part #
C8051F550-IM

Mouser Part #
634-C8051F550-IM

Silicon Labs

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

Datasheet

2,154In Stock

$12.00

$9.95

$8.45

$8.09

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-24

8051

8 bit

50 MHz

32 kB

2.25 kB

12 bit

18 I/O

- 40 C

+ 125 C

AEC-Q100

Tube

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

C8051F553-IM
Silicon Labs
1: $11.44
1,922In Stock

Mfr. Part #
C8051F553-IM

Mouser Part #
634-C8051F553-IM

Silicon Labs

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

Datasheet

1,922In Stock

$11.44

$9.49

$8.06

$7.72

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-24

8051

8 bit

50 MHz

32 kB

2.25 kB

12 bit

18 I/O

- 40 C

+ 125 C

AEC-Q100

Tube

8-bit Microcontrollers - MCU 8KB/512B RAM, ADC, SOIC16

C8051F860-C-GSR
Silicon Labs
1: $3.83
4,192In Stock

Mfr. Part #
C8051F860-C-GSR

Mouser Part #
634-C8051F860-C-GSR

Silicon Labs

8-bit Microcontrollers - MCU 8KB/512B RAM, ADC, SOIC16

Learn More

Datasheet

4,192In Stock

Cut Tape

$3.83

$3.22

$2.99

$2.68

Reel

$2.19

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

8-bit Microcontrollers - MCU

SMD/SMT

SOIC-16

8051

8 bit

25 MHz

8 kB

512 B

12 bit

13 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-GM
Silicon Labs
1: $5.89
1,032In Stock

Mfr. Part #
C8051F921-G-GM

Mouser Part #
634-C8051F921-G-GM

Silicon Labs

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

Learn More

Datasheet

1,032In Stock

$5.89

$4.91

$4.12

$3.94

View

Min.: 1
Mult.: 1

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

Tube

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

C8051F921-G-GMR
Silicon Labs
1: $5.89
1,496In Stock

Mfr. Part #
C8051F921-G-GMR

Mouser Part #
634-C8051F921-G-GMR

Silicon Labs

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

Learn More

Datasheet

1,496In Stock

Cut Tape

$5.89

$4.91

$4.56

$4.09

Reel

$3.38

View

Min.: 1
Mult.: 1

Reel: 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, QFN24

C8051F931-G-GM
Silicon Labs
1: $10.51
2,631In Stock

Mfr. Part #
C8051F931-G-GM

Mouser Part #
634-C8051F931-G-GM

Silicon Labs

8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24

Learn More

Datasheet

2,631In Stock

$10.51

$7.81

$7.29

$6.40

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-24

8051

8 bit

25 MHz

64 kB

4.25 kB

10 bit

16 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24

C8051F931-G-GMR
Silicon Labs
1: $7.27
899In Stock
3,000Expected 2026-03-20

Mfr. Part #
C8051F931-G-GMR

Mouser Part #
634-C8051F931-G-GMR

Silicon Labs

8-bit Microcontrollers - MCU 64KB/4kB RAM, 10b ADC, DC-DC, 0.9V, QFN24

Learn More

Datasheet

899In Stock

3,000Expected 2026-03-20

Cut Tape

$7.27

$6.05

$5.63

$5.07

View

Reel

$4.06

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

8-bit Microcontrollers - MCU

SMD/SMT

8051

8 bit

25 MHz

64 kB

4.25 kB

10 bit

16 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

RF System on a Chip - SoC SoC RF transmitter with 8051

SI4010-C2-GTR
Silicon Labs
1: $6.62
1,702In Stock

Mfr. Part #
SI4010-C2-GTR

Mouser Part #
634-SI4010-C2-GTR

Silicon Labs

RF System on a Chip - SoC SoC RF transmitter with 8051

Learn More

Datasheet

1,702In Stock

Cut Tape

$6.62

$5.80

$5.32

$4.96

Reel

$3.72

View

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC

SMD/SMT

MSOP-10

8051

24 MHz

4 kB

5 I/O

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU High-Speed Microcontroller

DS80C310-QCG+
Analog Devices / Maxim Integrated
1: $44.64
84In Stock

Mfr. Part #
DS80C310-QCG+

Mouser Part #
700-DS80C310-QCG

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU High-Speed Microcontroller

Learn More

Datasheet

84In Stock

$44.64

$34.92

$33.34

$29.82

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-44

8051

8 bit

25 MHz

64 kB

256 B

No ADC

32 I/O

0 C

+ 70 C

Tube

8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers

DS80C320-ECG+
Analog Devices / Maxim Integrated
1: $62.16
145In Stock

Mfr. Part #
DS80C320-ECG+

Mouser Part #
700-DS80C320-ECG

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers

Learn More

Datasheet

145In Stock

$62.16

$55.47

$52.96

$47.37

$45.18

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-44

8051

8 bit

25 MHz

64 kB

256 B

No ADC

32 I/O

0 C

+ 70 C

Tray

8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers

DS80C320-MCG+
Analog Devices / Maxim Integrated
1: $44.52
182In Stock

Mfr. Part #
DS80C320-MCG+

Mouser Part #
700-DS80C320-MCG

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers

Learn More

Datasheet

182In Stock

$44.52

$37.62

$35.93

$32.13

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

Through Hole

PDIP-40

8051

8 bit

25 MHz

64 kB

256 B

No ADC

32 I/O

0 C

+ 70 C

Tube

8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers

DS80C323-ECD+
Analog Devices / Maxim Integrated
1: $24.10
223In Stock

Mfr. Part #
DS80C323-ECD+

Mouser Part #
700-DS80C323-ECD

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU High-Speed/Low-Power Microcontrollers

Learn More

Datasheet

223In Stock

$24.10

$18.91

$18.14

$15.97

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-44

8051

8 bit

18 MHz

64 kB

256 B

No ADC

32 I/O

0 C

+ 70 C

Tray

8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers

DS89C430-ENG+
Analog Devices / Maxim Integrated
1: $50.87
143In Stock

Mfr. Part #
DS89C430-ENG+

Mouser Part #
700-DS89C430-ENG

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers

Datasheet

143In Stock

$50.87

$44.27

$42.28

$37.80

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-44

8051

8 bit

33 MHz

16 kB

1 kB

No ADC

32 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers

DS89C430-MNL+
Analog Devices / Maxim Integrated
1: $57.71
147In Stock

Mfr. Part #
DS89C430-MNL+

Mouser Part #
700-DS89C430-MNL

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers

Datasheet

147In Stock

$57.71

$51.49

$49.17

$43.97

$41.94

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

Through Hole

PDIP-40

8051

8 bit

33 MHz

16 kB

1 kB

No ADC

32 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers

DS89C450-QNG+
Analog Devices / Maxim Integrated
1: $56.81
176In Stock

Mfr. Part #
DS89C450-QNG+

Mouser Part #
700-DS89C450-QNG

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers

Datasheet

176In Stock

$56.81

$50.69

$48.41

$43.29

$41.29

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-44

8051

8 bit

33 MHz

64 kB

1 kB

No ADC

32 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers

DS89C450-QNL+
Analog Devices / Maxim Integrated
1: $74.85
55In Stock

Mfr. Part #
DS89C450-QNL+

Mouser Part #
700-DS89C450-QNL

Analog Devices / Maxim Integrated

8-bit Microcontrollers - MCU Ultra-High-Speed Flash Microcontrollers

Datasheet

55In Stock

$74.85

$64.02

$61.32

$55.58

$53.66

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-44

8051

8 bit

33 MHz

64 kB

1 kB

No ADC

32 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V

CY8C3245LTI-139
Infineon Technologies
1: $13.83
550In Stock

Mfr. Part #
CY8C3245LTI-139

Mouser Part #
727-CY8C3245LTI-139

Infineon Technologies

8-bit Microcontrollers - MCU 32K Flash 50MHz 8051 1.71V to 5.5V

Learn More

Datasheet

550In Stock

$13.83

$10.76

$9.98

$9.15

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-48

8051

8 bit

50 MHz

32 kB

4 kB

12 bit

29 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V

CY8C3246AXI-138
Infineon Technologies
1: $21.73
646In Stock

Mfr. Part #
CY8C3246AXI-138

Mouser Part #
727-CY8C3246AXI-138

Infineon Technologies

8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V

Learn More

Datasheet

646In Stock

$21.73

$17.41

$15.21

$14.76

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-100

8051

8 bit

50 MHz

64 kB

8 kB

12 bit

72 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V

CY8C3446AXI-099
Infineon Technologies
1: $22.52
355In Stock

Mfr. Part #
CY8C3446AXI-099

Mouser Part #
727-CY8C3446AXI-099

Infineon Technologies

8-bit Microcontrollers - MCU 64K Flash 50MHz 8051 1.71V to 5.5V

Learn More

Datasheet

355In Stock

$22.52

$17.79

$15.39

$14.90

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-100

8051

8 bit

50 MHz

64 kB

8 kB

12 bit

72 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V

CY8C3866AXI-040
Infineon Technologies
1: $38.61
131In Stock

Mfr. Part #
CY8C3866AXI-040

Mouser Part #
727-CY8C3866AXI-040

Infineon Technologies

8-bit Microcontrollers - MCU 64K Flash 67MHz 8051 0.5V to 5.5V

Learn More

Datasheet

131In Stock

$38.61

$31.03

$27.20

$26.40

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-100

8051

8 bit

67 MHz

64 kB

8 kB

20 bit

72 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 64K Flash 8K SRAM 8bit 67 MHz

CY8C3866AXI-208
Infineon Technologies
1: $33.99
262In Stock

Mfr. Part #
CY8C3866AXI-208

Mouser Part #
727-CY8C3866AXI-208

Infineon Technologies

8-bit Microcontrollers - MCU 64K Flash 8K SRAM 8bit 67 MHz

Learn More

Datasheet

262In Stock

$33.99

$27.22

$23.78

$23.06

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-100

8051

8 bit

67 MHz

64 kB

8 kB

20 bit

62 I/O

- 40 C

+ 85 C

Tray

8051 Core Embedded Processors & Controllers

Types of Embedded Processors & Controllers

Mouser Electronics®

Company

Resources

Support

BGA-82
LGA-42
LQFP-32
LQFP-44
LQFP-48
LQFP-64
MQFP-80
MSOP-10
PDIP-20
PDIP-40
PLCC-28
PLCC-44
PLCC-68
PQFP-44
PQFP-48
QFN-11
QFN-20
QFN-24
QFN-28
QFN-32

128 B
256 B
512 B
768 B
1 kB
1.2 kB
1.25 kB
1.28 kB
1.54 kB
1.75 kB
2 KB
2 kB
2.25 kB
2.3 kB
2.31 kB
3.25 kB
4 kB
4.25 kB
4.35 kB
4352 B

4 I/O
5 I/O
6 I/O
7 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
23 I/O
24 I/O
25 I/O
26 I/O