SK hynix LPDDR5X Receives IEC 61508 SIL3 and CSMS Certifications
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On November 11, 2026, SK hynix announced that its LPDDR5X DRAM has received SIL 3 certification under the international industrial functional safety standard IEC 61508 — the highest functional safety level achievable for a single memory semiconductor, with support for continuous mode. In the same batch, the product also passed CSMS (Cyber Security Management System) process certification based on the ISO/SAE 21434 standard. Both certifications were issued by the certification body SGS-TÜV Saar. This shows that LPDDR5X meets the requirements of high-reliability fields such as automotive in terms of both functional safety and cybersecurity processes. Only the certification progress has been reported so far; no follow-up developments are available.
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SK hynix's LPDDR5X DRAM has earned SIL 3 certification under the international industrial functional safety standard IEC 61508 (the highest level attainable for a single memory semiconductor, supporting continuous mode), as well as CSMS cybersecurity process certification based on ISO/SAE 21434, with certification by SGS-TÜV Saar.
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