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SONOS - A superior non-volatile memory technology

Published: Jan 2026

Non-volatile memories (NVM) are the backbone for critical information to remain intact even under extreme conditions. Among the most advanced solutions, SONOS (Silicon-Oxide-Nitride-Oxide-Silicon) technology stands out for its superior reliability and endurance. 

Unlike traditional floating-gate architectures, SONOS leverages a multi-layer dielectric stack that traps charges securely, dramatically reducing leakage and enhancing data retention over extended lifetimes. This design ensures consistent data storage at the most extreme temperatures, making it ideal for mission-critical applications where failure is simply not an option. Discover how SONOS and X-FAB are redefining reliability for a smarter future.

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