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8051 Core Embedded Processors & Controllers

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Types of Embedded Processors & Controllers

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Results: 572

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Core = 8051

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Part #

8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM

MS51PC0AE
Nuvoton
1: $1.53
1,313In Stock

Mfr. Part No.
MS51PC0AE

Mouser Part No
503-MS51PC0AE

Nuvoton

8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM

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Datasheet

1,313In Stock

$1.53

$1.21

$1.08

$1.00

View

Min.: 1
Mult.: 1

SMD/SMT

LQFP-32

8051

30 I/O

8 bit

12 bit

8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM

MS51TC0AE
Nuvoton
1: $1.28
975In Stock

Mfr. Part No.
MS51TC0AE

Mouser Part No
503-MS51TC0AE

Nuvoton

8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM

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Datasheet

975In Stock

$1.28

$1.01

$0.905

$0.801

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-33

8051

30 I/O

8 bit

12 bit

8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM 0.4mm Pitch width

MS51XB9AE
Nuvoton
1: $0.834
850In Stock

Mfr. Part No.
MS51XB9AE

Mouser Part No
503-MS51XB9AE

Nuvoton

8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM 0.4mm Pitch width

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Datasheet

850In Stock

$0.834

$0.671

$0.599

$0.528

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

8051

18 I/O

8 bit

12 bit

8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40? to 85?

N76E003AT20
Nuvoton
1: $1.07
755In Stock
888Expected 28/12/2026

Mfr. Part No.
N76E003AT20

Mouser Part No
503-N76E003AT20

Nuvoton

8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40? to 85?

Datasheet

755In Stock

888Expected 28/12/2026

$1.07

$0.78

$0.735

$0.696

View

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-20

8051

18 I/O

8 bit

12 bit

8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V - 24MHZ 5V

AT89C51RC-24JU
Microchip Technology
1: $6.48
151In Stock
351Expected 22/6/2026

Mfr. Part No.
AT89C51RC-24JU

Mouser Part No
556-A89C51RC-24JU

Microchip Technology

8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V - 24MHZ 5V

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Datasheet

151In Stock

351Expected 22/6/2026

$6.48

Min.: 1
Mult.: 1

SMD/SMT

PLCC-44

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU LO-VLTG 8K ISP FLASH -16MHZ 2.7-5.5V

AT89LS52-16AU
Microchip Technology
1: $3.18
188In Stock

Mfr. Part No.
AT89LS52-16AU

Mouser Part No
556-A89LS52-16AU

Microchip Technology

8-bit Microcontrollers - MCU LO-VLTG 8K ISP FLASH -16MHZ 2.7-5.5V

Datasheet

188In Stock

$3.18

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

32 I/O

8 bit

No ADC

8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V

AT89LP51ED2-20PU
Microchip Technology
1: $8.20
104In Stock

Mfr. Part No.
AT89LP51ED2-20PU

Mouser Part No
556-AT89LP51ED2-20PU

Microchip Technology

8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V

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Datasheet

104In Stock

$8.20

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

40 I/O

8 bit

10 bit

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

C8051F338-GM
Silicon Labs
1: $13.66
57In Stock

Mfr. Part No.
C8051F338-GM

Mouser Part No
634-C8051F338-GM

Silicon Labs

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

Datasheet

57In Stock

$13.66

$11.33

$9.66

$9.27

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-24

8051

21 I/O

8 bit

10 bit

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

C8051F334-GM
Silicon Labs
1: $11.54
47In Stock
NRND

Mfr. Part No.
C8051F334-GM

Mouser Part No
634-C8051F334-GM

NRND

Silicon Labs

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

Datasheet

47In Stock

$11.54

$8.06

$7.69

$6.67

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

8051

17 I/O

8 bit

10 bit

8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL

AT89LP3240-20AU
Microchip Technology
1: $14.58
63In Stock

Mfr. Part No.
AT89LP3240-20AU

Mouser Part No
556-AT89LP3240-20AU

Microchip Technology

8-bit Microcontrollers - MCU Sngl-Cycle 8051 IND 2.4-3.6V 32K ISP FL

Datasheet

63In Stock

$14.58

Min.: 1
Mult.: 1

SMD/SMT

TQFP-44

8051

38 I/O

8 bit

10 bit

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

C8051F353-GMR
Silicon Labs
1: $14.19
203In Stock

Mfr. Part No.
C8051F353-GMR

Mouser Part No
634-C8051F353-GMR

Silicon Labs

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

Datasheet

203In Stock

Cut Tape

$14.19

$11.76

$10.97

$9.98

View

Reel

$8.52

Min.: 1
Mult.: 1

: 1,500

SMD/SMT

QFN-28

8051

17 I/O

8 bit

16 bit

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

C8051F383-GM
Silicon Labs
1: $7.33
33In Stock

Mfr. Part No.
C8051F383-GM

Mouser Part No
634-C8051F383-GM

Silicon Labs

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

Learn More

Datasheet

33In Stock

$7.33

$6.09

$5.21

$4.98

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

8051

25 I/O

8 bit

10 bit

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

C8051F506-IM
Silicon Labs
1: $17.26
6In Stock

Mfr. Part No.
C8051F506-IM

Mouser Part No
634-C8051F506-IM

Silicon Labs

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

Datasheet

6In Stock

$17.26

$14.04

$13.39

$11.62

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

8051

25 I/O

8 bit

12 bit

Microprocessors - MPU 128k Soft Microprocessor Chip

DS5001FP-16N+
Analog Devices / Maxim Integrated
1: $82.50
11In Stock

Mfr. Part No.
DS5001FP-16N+

Mouser Part No
700-DS5001FP-16N

Analog Devices / Maxim Integrated

Microprocessors - MPU 128k Soft Microprocessor Chip

Datasheet

11In Stock

$82.50

$69.63

$62.80

$60.99

Min.: 1
Mult.: 1

SMD/SMT

MQFP-80

8051

32 I/O

8 bit

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

DS80C320-MNL+
Analog Devices / Maxim Integrated
1: $52.17
12In Stock

Mfr. Part No.
DS80C320-MNL+

Mouser Part No
700-DS80C320-MNL

Analog Devices / Maxim Integrated

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

Learn More

Datasheet

12In Stock

$52.17

$43.70

$40.75

$38.28

$36.85

Min.: 1
Mult.: 1

Through Hole

PDIP-40

8051

32 I/O

8 bit

No ADC

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

CY8C3246LTI-149
Infineon Technologies
1: $17.43
8In Stock

Mfr. Part No.
CY8C3246LTI-149

Mouser Part No
727-CY8C3246LTI-149

Infineon Technologies

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

Learn More

Datasheet

8In Stock

$17.43

$13.71

$12.77

$11.76

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-68

8051

46 I/O

8 bit

12 bit

8-bit Microcontrollers - MCU PSoC 32KB FLASH 1.7-5.5V 38 I/O

CY8C3246LTI-149T
Infineon Technologies
1: $20.20
23In Stock

Mfr. Part No.
CY8C3246LTI-149T

Mouser Part No
727-CY8C3246LTI-149T

Infineon Technologies

8-bit Microcontrollers - MCU PSoC 32KB FLASH 1.7-5.5V 38 I/O

Learn More

Datasheet

23In Stock

Cut Tape

$20.20

$15.35

$14.71

$12.95

View

Reel

$10.54

Min.: 1
Mult.: 1

: 2,000

SMD/SMT

QFN-68

8051

46 I/O

8 bit

12 bit

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

CY8C3446LTI-085
Infineon Technologies
1: $19.61
6In Stock

Mfr. Part No.
CY8C3446LTI-085

Mouser Part No
727-CY8C3446LTI-085

Infineon Technologies

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

Learn More

Datasheet

6In Stock

$19.61

$15.48

$14.44

$13.32

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-68

8051

48 I/O

8 bit

12 bit

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

C8051F042-GQR
Silicon Labs
1: $39.87
46In Stock
End of Life

Mfr. Part No.
C8051F042-GQR

Mouser Part No
634-C8051F042-GQR

End of Life

Silicon Labs

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

Datasheet

46In Stock

Cut Tape

$39.87

$33.99

$29.61

Reel

$25.40

$24.89

View

Min.: 1
Mult.: 1

: 250

SMD/SMT

TQFP-100

8051

64 I/O

8 bit

10 bit

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

C8051F064-GQ
Silicon Labs
1: $37.95
2In Stock
End of Life

Mfr. Part No.
C8051F064-GQ

Mouser Part No
634-C8051F064-GQ

End of Life

Silicon Labs

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

Datasheet

2In Stock

$37.95

$31.65

$27.65

$26.76

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-100

8051

59 I/O

8 bit

16 bit

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

C8051F131-GQR
Silicon Labs
1: $44.58
33In Stock
End of Life

Mfr. Part No.
C8051F131-GQR

Mouser Part No
634-C8051F131-GQR

End of Life

Silicon Labs

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

Datasheet

33In Stock

Cut Tape

$44.58

$37.27

$35.07

$32.51

$31.25

Reel

$30.47

Min.: 1
Mult.: 1

: 500

SMD/SMT

TQFP-64

8051

32 I/O

8 bit

10 bit

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

C8051F384-GQ
Silicon Labs
1: $11.16
202In Stock
End of Life

Mfr. Part No.
C8051F384-GQ

Mouser Part No
634-C8051F384-GQ

End of Life

Silicon Labs

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

Learn More

Datasheet

202In Stock

$11.16

$8.33

$7.85

$6.94

View

Min.: 1
Mult.: 1

SMD/SMT

TQFP-48

8051

40 I/O

8 bit

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

C8051F500-IQ
Silicon Labs
1: $15.67
149In Stock
End of Life

Mfr. Part No.
C8051F500-IQ

Mouser Part No
634-C8051F500-IQ

End of Life

Silicon Labs

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

Datasheet

149In Stock

$15.67

$12.98

$12.11

$11.04

View

Min.: 1
Mult.: 1

SMD/SMT

QFP-48

8051

40 I/O

8 bit

12 bit

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

C8051F503-IM
Silicon Labs
1: $17.53
110In Stock
End of Life

Mfr. Part No.
C8051F503-IM

Mouser Part No
634-C8051F503-IM

End of Life

Silicon Labs

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

Datasheet

110In Stock

$17.53

$14.25

$13.59

$11.80

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

8051

25 I/O

8 bit

12 bit

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

C8051F580-IM
Silicon Labs
1: $20.14
14In Stock
End of Life

Mfr. Part No.
C8051F580-IM

Mouser Part No
634-C8051F580-IM

End of Life

Silicon Labs

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

Learn More

Datasheet

14In Stock

$20.14

$16.71

$15.05

$14.09

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-48

8051

40 I/O

8 bit

12 bit

8051 Core Embedded Processors & Controllers

Types of Embedded Processors & Controllers

Customer Service Office

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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
QFN-33
QFN-40

4 I/O
6 I/O
7 I/O
8 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
24 I/O
25 I/O
26 I/O
28 I/O
29 I/O
30 I/O
31 I/O