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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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Mounting Style
Package/Case
Core
Program Memory Size
Data RAM Size
Data Bus Width
ADC Resolution
Maximum Clock Frequency
Number of I/Os
Supply Voltage - Min
Supply Voltage - Max
Minimum Operating Temperature
Maximum Operating Temperature
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STMicroelectronics STM32C552CEU6
STMicroelectronics 32-bit Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN
Datasheet
200In Stock
1.560Expected 4/17/2026
Min.: 1
Mult.: 1
Max.: 25

STM32C5 SMD/SMT UFQFPN-48 ARM Cortex M33 512 kB 128 kB 32 bit 12 bit 144 MHz 38 I/O 2.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics STM32C551VET6
STMicroelectronics 32-bit Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C
Datasheet
200In Stock
540Expected 4/27/2026
Min.: 1
Mult.: 1
Max.: 25

STM32C5 SMD/SMT LQFP-100 ARM Cortex M33 512 kB 128 kB 32 bit 12 bit 144 MHz 86 I/O 2.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics STM32C562RET6
STMicroelectronics 32-bit Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN, crypto
Datasheet
138In Stock
960Expected 5/4/2026
Min.: 1
Mult.: 1
Max.: 25

STM32C5 SMD/SMT LQFP-64 ARM Cortex M33 512 kB 128 kB 32 bit 12 bit 144 MHz 52 I/O 2.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics STM32C562CEU6
STMicroelectronics 32-bit Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN, crypto
Datasheet
150In Stock
1.560Expected 4/17/2026
Min.: 1
Mult.: 1
Max.: 25

STM32C5 SMD/SMT UFQFPN-48 ARM Cortex M33 512 kB 128 kB 32 bit 12 bit 144 MHz 38 I/O 2.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics STM32C552RET6
STMicroelectronics 32-bit Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN
Datasheet
1.100In Stock
Min.: 1
Mult.: 1
Max.: 50

STM32C5 SMD/SMT LQFP-64 ARM Cortex M33 512 kB 128 kB 32 bit 12 bit 144 MHz 52 I/O 2.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics STM32C542CCT6
STMicroelectronics 32-bit Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN
Datasheet
200In Stock
Min.: 1
Mult.: 1
Max.: 25

STM32C5 SMD/SMT LQFP-48 ARM Cortex M33 256 kB 64 kB 32 bit 12 bit 144 MHz 38 I/O 2.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics STM32C542RCT6
STMicroelectronics 32-bit Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN
Datasheet
200Expected 3/27/2026
Min.: 1
Mult.: 1
Max.: 25

STM32C5 SMD/SMT LQFP-64 ARM Cortex M33 256 kB 64 kB 32 bit 12 bit 144 MHz 52 I/O 2.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics STM32C552VET6
STMicroelectronics 32-bit Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN
Datasheet
890On Order
Min.: 1
Mult.: 1
Max.: 25

STM32C5 SMD/SMT LQFP-100 ARM Cortex M33 512 kB 128 kB 32 bit 12 bit 144 MHz 86 I/O 2.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics STM32C562VET6
STMicroelectronics 32-bit Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 512 KB flash, 128 KB RAM, I3C, FDCAN, crypto
Datasheet
690On Order
Min.: 1
Mult.: 1
Max.: 25

STM32C5 SMD/SMT LQFP-100 ARM Cortex M33 512 kB 128 kB 32 bit 12 bit 144 MHz 86 I/O 2.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics STM32C531CCT6
STMicroelectronics 32-bit Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C
Datasheet
Non-Stocked Lead-Time 52 Weeks
Min.: 1.500
Mult.: 1.500

STM32C5 SMD/SMT LQFP-48 ARM Cortex M33 256 kB 64 kB 32 bit 12 bit 144 MHz 38 I/O 2.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics STM32C531CCU3
STMicroelectronics 32-bit Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C
Datasheet
Non-Stocked Lead-Time 52 Weeks
Min.: 1.560
Mult.: 1.560

STM32C5 SMD/SMT UFQFPN-48 ARM Cortex M33 256 kB 64 kB 32 bit 12 bit 144 MHz 27 I/O 2.7 V 3.6 V - 40 C + 125 C Tray
STMicroelectronics STM32C531CCU6
STMicroelectronics 32-bit Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C
Datasheet
Non-Stocked Lead-Time 52 Weeks
Min.: 1.560
Mult.: 1.560

STM32C5 SMD/SMT UFQFPN-48 ARM Cortex M33 256 kB 64 kB 32 bit 12 bit 144 MHz 27 I/O 2.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics STM32C531ECU6
STMicroelectronics 32-bit Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C
Datasheet
Non-Stocked Lead-Time 52 Weeks
Min.: 2.940
Mult.: 2.940

STM32C5 SMD/SMT UFQFPN-24 ARM Cortex M33 256 kB 64 kB 32 bit 12 bit 144 MHz 16 I/O 2.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics STM32C531FCP6
STMicroelectronics 32-bit Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C
Datasheet
Non-Stocked Lead-Time 52 Weeks
Min.: 1.480
Mult.: 1.480

STM32C5 SMD/SMT TSSOP-20 ARM Cortex M33 256 kB 64 kB 32 bit 12 bit 144 MHz 14 I/O 2.7 V 3.6 V - 40 C + 85 C Tube
STMicroelectronics STM32C531FCU6
STMicroelectronics 32-bit Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C
Datasheet
Non-Stocked Lead-Time 52 Weeks
Min.: 2.940
Mult.: 2.940

STM32C5 SMD/SMT UFQFPN-20 ARM Cortex M33 256 kB 64 kB 32 bit 12 bit 144 MHz 14 I/O 2.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics STM32C531KBU6
STMicroelectronics 32-bit Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 128 KB flash, 64 KB RAM, I3C
Datasheet
Non-Stocked Lead-Time 52 Weeks
Min.: 2.940
Mult.: 2.940

STM32C5 SMD/SMT UFQFPN-32 ARM Cortex M33 128 kB 64 kB 32 bit 12 bit 144 MHz 27 I/O 2.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics STM32C531KCT6
STMicroelectronics 32-bit Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C
Datasheet
Non-Stocked Lead-Time 52 Weeks
Min.: 1.500
Mult.: 1.500

STM32C5 SMD/SMT LQFP-32 ARM Cortex M33 256 kB 64 kB 32 bit 12 bit 144 MHz 25 I/O 2.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics STM32C531KCU3
STMicroelectronics 32-bit Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C
Datasheet
Non-Stocked Lead-Time 52 Weeks
Min.: 2.940
Mult.: 2.940

STM32C5 SMD/SMT UFQFPN-32 ARM Cortex M33 256 kB 64 kB 32 bit 12 bit 144 MHz 27 I/O 2.7 V 3.6 V - 40 C + 125 C Tray
STMicroelectronics STM32C531KCU6
STMicroelectronics 32-bit Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C
Datasheet
Non-Stocked Lead-Time 52 Weeks
Min.: 2.940
Mult.: 2.940

STM32C5 SMD/SMT UFQFPN-32 ARM Cortex M33 256 kB 64 kB 32 bit 12 bit 144 MHz 27 I/O 2.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics STM32C531RCT6
STMicroelectronics 32-bit Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C
Datasheet
Non-Stocked Lead-Time 52 Weeks
Min.: 960
Mult.: 960

STM32C5 SMD/SMT LQFP-64 ARM Cortex M33 256 kB 64 kB 32 bit 12 bit 144 MHz 52 I/O 2.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics STM32C532CCT6
STMicroelectronics 32-bit Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN
Datasheet
Non-Stocked Lead-Time 52 Weeks
Min.: 1.500
Mult.: 1.500

STM32C5 SMD/SMT LQFP-48 ARM Cortex M33 256 kB 64 kB 32 bit 12 bit 144 MHz 38 I/O 2.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics STM32C532CCU6
STMicroelectronics 32-bit Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN
Datasheet
Non-Stocked Lead-Time 52 Weeks
Min.: 1.560
Mult.: 1.560

STM32C5 SMD/SMT UFQFPN-48 ARM Cortex M33 256 kB 64 kB 32 bit 12 bit 144 MHz 27 I/O 2.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics STM32C532ECU6
STMicroelectronics 32-bit Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN
Datasheet
Non-Stocked Lead-Time 52 Weeks
Min.: 2.940
Mult.: 2.940

STM32C5 SMD/SMT UFQFPN-24 ARM Cortex M33 256 kB 64 kB 32 bit 12 bit 144 MHz 16 I/O 2.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics STM32C532FCP6
STMicroelectronics 32-bit Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN
Datasheet
Non-Stocked Lead-Time 52 Weeks
Min.: 1.480
Mult.: 1.480

STM32C5 SMD/SMT TSSOP-20 ARM Cortex M33 256 kB 64 kB 32 bit 12 bit 144 MHz 14 I/O 2.7 V 3.6 V - 40 C + 85 C Tube
STMicroelectronics STM32C532FCU6
STMicroelectronics 32-bit Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN
Datasheet
Non-Stocked Lead-Time 52 Weeks
Min.: 2.940
Mult.: 2.940

STM32C5 SMD/SMT UFQFPN-20 ARM Cortex M33 256 kB 64 kB 32 bit 12 bit 144 MHz 14 I/O 2.7 V 3.6 V - 40 C + 85 C Tray