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Alternatives to STMicroelectronics STM32L562CEU6

STMicroelectronics STM32L562CEU6 and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.

Equivalent and substitute parts for STMicroelectronics STM32L562CEU6

STM32L562CEU6 compared against its qualified second sources
STM32L562CEU6STMicroelectronicsSTM32L552CEU6STMicroelectronicsSTM32L552CCU6STMicroelectronics+2more
FFF CompatibilityPinout matches identically pin-for-pin. Land pattern and assembly require no modification.Identical physical dimensions and 48-UFQFPN package.Functional equivalent except for the lack of hardware cryptographic accelerators (AES, PKA, OTFDEC).Pinout matches identically pin-for-pin. Land pattern and assembly require no modification.Identical physical dimensions and 48-UFQFPN package.Features half the Flash memory (256 KB vs 512 KB) and lacks the hardware cryptographic accelerators.
AI Summary

STM32L562CEU6 by STMicroelectronics: ARM® Cortex®-M33 STM32L5 Microcontroller IC 32-Bit 110MHz 512KB (512K x 8) FLASH 48-UFQFPN (7x7).

The STM32L552CEU6 belongs to the same STM32L5 series and shares the exact same package, memory configuration, and pinout as the STM32L562CEU6. The only difference is that it lacks the dedicated hardware cryptographic acceleration engines (AES, PKA, OTFDEC), making it a perfect drop-in replacement if hardware-accelerated security functions are not strictly needed by your firmware.

  • True pin-to-pin drop-in replacement
  • Same 110 MHz Arm Cortex-M33 core with TrustZone support
  • Same 512 KB Flash and 256 KB RAM size
  • Lacks hardware cryptographic engines (AES, PKA, OTFDEC) found on the L562.

The STM32L552CCU6 is a more cost-effective sibling that shares the exact same package and pinout. It reduces the onboard Flash to 256 KB (down from 512 KB) and lacks the hardware cryptographic accelerators, while keeping the same core processor and 256 KB RAM. It is ideal if your firmware footprint is smaller and does not require hardware cryptography.

  • True pin-to-pin drop-in replacement
  • Same 110 MHz Arm Cortex-M33 core with TrustZone support
  • Same 256 KB SRAM size
  • Half the Flash memory (256 KB vs 512 KB).
  • Lacks hardware cryptographic engines (AES, PKA, OTFDEC).
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Frequently asked questions

Yes. The STMicroelectronics STM32L562CEU6 is active and in production. The parts listed here are qualified equivalents if you need a second source or better availability.

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