ARM Microcontrollers - MCU – Mouser Honduras

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STM32C5 Arm® Cortex®-M33 Core Mainstream MCUs

STMicroelectronics STM32C5 Arm^® Cortex^®-M33 Core Mainstream Microcontrollers (MCUs) are designed to support the development of cost-effective applications. This family offers up to 1MB of Flash memory and 256KB of RAM as well as one Ethernet port, octoSPI peripherals, and up to two FDCAN. These MCUs include hardware crypto for SAES, SPKA, and HUK features, and the lines are available in several packages ranging from 20 to 144 pins. For quick prototyping, the user can use either the STMicroelectronics NUCLEO-C5A3ZG (for the STM32C55x/STM32C562 and STM32C59x/5A3) or NUCLEO-C542RE (for the STM32C53x/542) development tools alongside the STM32Cube software ecosystem.

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Part #

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 1 MB flash, 256 KB RAM, I3C, Ethernet

STM32C5A3RGT6
STMicroelectronics
1: $5.25
876In Stock
New Product

Mfr. Part #
STM32C5A3RGT6

Mouser Part #
511-STM32C5A3RGT6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 1 MB flash, 256 KB RAM, I3C, Ethernet

Learn More

Datasheet

876In Stock

$5.25

$3.47

$3.16

$2.68

Min.: 1
Mult.: 1
Max.: 100

STM32C5

SMD/SMT

LQFP-64

ARM Cortex M33

1 MB

32 bit

12 bit

144 MHz

52 I/O

256 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN

STM32C542KCT6
STMicroelectronics
1: $3.33
155In Stock
New Product

Mfr. Part #
STM32C542KCT6

Mouser Part #
511-STM32C542KCT6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN

Learn More

Datasheet

155In Stock

$3.33

$2.17

$1.99

Min.: 1
Mult.: 1
Max.: 50

STM32C5

SMD/SMT

LQFP-32

ARM Cortex M33

256 kB

32 bit

12 bit

144 MHz

25 I/O

64 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN

STM32C542KCU6
STMicroelectronics
1: $2.96
175In Stock
New Product

Mfr. Part #
STM32C542KCU6

Mouser Part #
511-STM32C542KCU6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN

Learn More

Datasheet

175In Stock

$2.96

$2.17

$1.88

Min.: 1
Mult.: 1
Max.: 50

STM32C5

SMD/SMT

UFQFPN-32

ARM Cortex M33

256 kB

32 bit

12 bit

144 MHz

25 I/O

64 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN

STM32C552VET6
STMicroelectronics
1: $3.99
644In Stock
New Product

Mfr. Part #
STM32C552VET6

Mouser Part #
511-STM32C552VET6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN

Learn More

Datasheet

644In Stock

$3.99

$2.83

$2.47

$2.19

Min.: 1
Mult.: 1
Max.: 100

STM32C5

SMD/SMT

LQFP-100

ARM Cortex M33

512 kB

32 bit

12 bit

144 MHz

86 I/O

128 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN

STM32C542CCU6
STMicroelectronics
1: $3.06
99In Stock
1,560Expected 2/5/2027
New Product

Mfr. Part #
STM32C542CCU6

Mouser Part #
511-STM32C542CCU6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN

Learn More

Datasheet

99In Stock

1,560Expected 2/5/2027

$3.06

$2.21

$1.95

Min.: 1
Mult.: 1
Max.: 50

STM32C5

SMD/SMT

UFQFPN-48

ARM Cortex M33

256 kB

32 bit

12 bit

144 MHz

38 I/O

64 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 1 MB flash, 256 KB RAM, I3C, Ethernet, Dual FDCAN

STM32C5A3CGT6
STMicroelectronics
1: $4.72
51In Stock
1,500Expected 8/30/2027
New Product

Mfr. Part #
STM32C5A3CGT6

Mouser Part #
511-STM32C5A3CGT6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 1 MB flash, 256 KB RAM, I3C, Ethernet, Dual FDCAN

Learn More

Datasheet

51In Stock

1,500Expected 8/30/2027

$4.72

$3.41

$3.08

$2.45

Min.: 1
Mult.: 1
Max.: 100

STM32C5

SMD/SMT

LQFP-48

ARM Cortex M33

1 MB

32 bit

12 bit

144 MHz

38 I/O

256 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C

STM32C551KEU6
STMicroelectronics
1: $2.55
2,780In Stock
New Product

Mfr. Part #
STM32C551KEU6

Mouser Part #
511-STM32C551KEU6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C

Learn More

Datasheet

2,780In Stock

$2.55

$1.89

$1.63

Min.: 1
Mult.: 1
Max.: 100

STM32C5

SMD/SMT

UFQFPN-32

ARM Cortex M33

512 kB

32 bit

12 bit

144 MHz

25 I/O

128 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN

STM32C552CET6
STMicroelectronics
1: $2.73
1,557In Stock
New Product

Mfr. Part #
STM32C552CET6

Mouser Part #
511-STM32C552CET6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN

Learn More

Datasheet

1,557In Stock

$2.73

$2.03

$1.75

$1.66

Min.: 1
Mult.: 1
Max.: 100

STM32C5

SMD/SMT

LQFP-48

ARM Cortex M33

512 kB

32 bit

12 bit

144 MHz

38 I/O

128 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN

STM32C552CEU6
STMicroelectronics
1: $2.73
1,534In Stock
New Product

Mfr. Part #
STM32C552CEU6

Mouser Part #
511-STM32C552CEU6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN

Learn More

Datasheet

1,534In Stock

$2.73

$2.03

$1.75

$1.66

Min.: 1
Mult.: 1
Max.: 100

STM32C5

SMD/SMT

UFQFPN-48

ARM Cortex M33

512 kB

32 bit

12 bit

144 MHz

38 I/O

128 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN

STM32C552KET6
STMicroelectronics
1: $2.64
1,551In Stock
New Product

Mfr. Part #
STM32C552KET6

Mouser Part #
511-STM32C552KET6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN

Learn More

Datasheet

1,551In Stock

$2.64

$1.96

$1.69

Min.: 1
Mult.: 1
Max.: 100

STM32C5

SMD/SMT

LQFP-32

ARM Cortex M33

512 kB

32 bit

12 bit

144 MHz

25 I/O

128 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN, crypto

STM32C562CET6
STMicroelectronics
1: $2.95
1,476In Stock
New Product

Mfr. Part #
STM32C562CET6

Mouser Part #
511-STM32C562CET6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN, crypto

Learn More

Datasheet

1,476In Stock

$2.95

$2.20

$1.90

Min.: 1
Mult.: 1
Max.: 100

STM32C5

SMD/SMT

LQFP-48

ARM Cortex M33

512 kB

32 bit

12 bit

144 MHz

38 I/O

128 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN, crypto

STM32C562CEU6
STMicroelectronics
1: $3.54
1,247In Stock
New Product

Mfr. Part #
STM32C562CEU6

Mouser Part #
511-STM32C562CEU6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN, crypto

Learn More

Datasheet

1,247In Stock

$3.54

$2.61

$2.28

$2.10

Min.: 1
Mult.: 1
Max.: 100

STM32C5

SMD/SMT

UFQFPN-48

ARM Cortex M33

512 kB

32 bit

12 bit

144 MHz

38 I/O

128 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN, crypto

STM32C562KET6
STMicroelectronics
1: $2.86
1,576In Stock
New Product

Mfr. Part #
STM32C562KET6

Mouser Part #
511-STM32C562KET6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN, crypto

Learn More

Datasheet

1,576In Stock

$2.86

$2.13

$1.84

$1.75

Min.: 1
Mult.: 1
Max.: 100

STM32C5

SMD/SMT

LQFP-32

ARM Cortex M33

512 kB

32 bit

12 bit

144 MHz

25 I/O

128 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C

STM32C551CET6
STMicroelectronics
1: $2.64
891In Stock
New Product

Mfr. Part #
STM32C551CET6

Mouser Part #
511-STM32C551CET6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C

Learn More

Datasheet

891In Stock

$2.64

$1.96

$1.69

$1.60

Min.: 1
Mult.: 1
Max.: 100

STM32C5

SMD/SMT

LQFP-48

ARM Cortex M33

512 kB

32 bit

12 bit

144 MHz

38 I/O

128 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN

STM32C552KEU6
STMicroelectronics
1: $2.64
653In Stock
2,940Expected 9/10/2026
New Product

Mfr. Part #
STM32C552KEU6

Mouser Part #
511-STM32C552KEU6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN

Learn More

Datasheet

653In Stock

2,940Expected 9/10/2026

$2.64

$1.96

$1.69

$1.60

View

Min.: 1
Mult.: 1

STM32C5

SMD/SMT

UFQFPN-32

ARM Cortex M33

512 kB

32 bit

12 bit

144 MHz

25 I/O

128 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN

STM32C552MET6
STMicroelectronics
1: $3.15
147In Stock
New Product

Mfr. Part #
STM32C552MET6

Mouser Part #
511-STM32C552MET6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN

Learn More

Datasheet

147In Stock

$3.15

$2.35

$2.03

Min.: 1
Mult.: 1
Max.: 50

STM32C5

SMD/SMT

LQFP-80

ARM Cortex M33

512 kB

32 bit

12 bit

144 MHz

66 I/O

128 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN, crypto

STM32C562RET6
STMicroelectronics
1: $4.21
98In Stock
1,920On Order
New Product

Mfr. Part #
STM32C562RET6

Mouser Part #
511-STM32C562RET6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN, crypto

Learn More

Datasheet

98In Stock

1,920On Order

$4.21

$3.17

$2.75

$2.50

Min.: 1
Mult.: 1
Max.: 100

STM32C5

SMD/SMT

LQFP-64

ARM Cortex M33

512 kB

32 bit

12 bit

144 MHz

52 I/O

128 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN

STM32C542RCT6
STMicroelectronics
1: $3.26
5In Stock
960On Order
New Product

Mfr. Part #
STM32C542RCT6

Mouser Part #
511-STM32C542RCT6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN

Learn More

Datasheet

5In Stock

960On Order

$3.26

$2.01

$1.73

$1.60

Min.: 1
Mult.: 1
Max.: 100

STM32C5

SMD/SMT

LQFP-64

ARM Cortex M33

256 kB

32 bit

12 bit

144 MHz

52 I/O

64 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C

STM32C551VET6
STMicroelectronics
1: $3.83
82In Stock
1,080On Order
New Product

Mfr. Part #
STM32C551VET6

Mouser Part #
511-STM32C551VET6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C

Learn More

Datasheet

82In Stock

1,080On Order

$3.83

$2.67

$2.34

$2.09

Min.: 1
Mult.: 1
Max.: 100

STM32C5

SMD/SMT

LQFP-100

ARM Cortex M33

512 kB

32 bit

12 bit

144 MHz

86 I/O

128 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN, crypto

STM32C562MET6
STMicroelectronics
1: $3.37
52In Stock
New Product

Mfr. Part #
STM32C562MET6

Mouser Part #
511-STM32C562MET6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN, crypto

Learn More

Datasheet

52In Stock

$3.37

$2.52

$2.18

$2.05

View

Min.: 1
Mult.: 1

STM32C5

SMD/SMT

LQFP-80

ARM Cortex M33

512 kB

32 bit

12 bit

144 MHz

66 I/O

128 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN, crypto

STM32C562VET6
STMicroelectronics
1: $3.54
67In Stock
540Expected 9/4/2026
New Product

Mfr. Part #
STM32C562VET6

Mouser Part #
511-STM32C562VET6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN, crypto

Learn More

Datasheet

67In Stock

540Expected 9/4/2026

$3.54

$2.66

$2.21

$2.11

Min.: 1
Mult.: 1
Max.: 100

STM32C5

SMD/SMT

LQFP-100

ARM Cortex M33

512 kB

32 bit

12 bit

144 MHz

86 I/O

128 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 1 MB flash, 256 KB RAM, I3C, Ethernet, Dual FDCAN

STM32C5A3VGT6
STMicroelectronics
1: $5.39
6In Stock
540On Order
New Product

Mfr. Part #
STM32C5A3VGT6

Mouser Part #
511-STM32C5A3VGT6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 1 MB flash, 256 KB RAM, I3C, Ethernet, Dual FDCAN

Learn More

Datasheet

6In Stock

540On Order

$5.39

$3.87

$3.43

$3.15

Min.: 1
Mult.: 1
Max.: 100

STM32C5

SMD/SMT

LQFP-100

ARM Cortex M33

1 MB

32 bit

12 bit

144 MHz

86 I/O

256 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN

STM32C542CCT6
STMicroelectronics
1: $3.00
1,493Expected 11/12/2026
New Product

Mfr. Part #
STM32C542CCT6

Mouser Part #
511-STM32C542CCT6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN

Learn More

Datasheet

1,493Expected 11/12/2026

$3.00

$2.07

$1.86

$1.68

Min.: 1
Mult.: 1
Max.: 100

STM32C5

SMD/SMT

LQFP-48

ARM Cortex M33

256 kB

32 bit

12 bit

144 MHz

38 I/O

64 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN

STM32C542FCP6
STMicroelectronics
1: $3.22
1,470Expected 3/3/2027
New Product

Mfr. Part #
STM32C542FCP6

Mouser Part #
511-STM32C542FCP6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN

Learn More

Datasheet

1,470Expected 3/3/2027

$3.22

$2.10

$1.93

$1.66

View

Min.: 1
Mult.: 1

STM32C5

SMD/SMT

TSSOP-20

ARM Cortex M33

256 kB

32 bit

12 bit

144 MHz

14 I/O

64 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tube

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C

STM32C551KET6
STMicroelectronics
1: $2.84
2,947On Order
New Product

Mfr. Part #
STM32C551KET6

Mouser Part #
511-STM32C551KET6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C

Learn More

Datasheet

2,947On Order

$2.84

$2.08

$1.81

$1.68

Min.: 1
Mult.: 1
Max.: 100

STM32C5

SMD/SMT

LQFP-32

ARM Cortex M33

512 kB

32 bit

12 bit

144 MHz

25 I/O

128 kB

2.7 V

3.6 V

- 40 C

+ 85 C

Tray

STM32C5 Arm® Cortex®-M33 Core Mainstream MCUs

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