Weebit Nano ReRAM qualified to 125 deg Celsius for auto NVM

Author: EIS Release Date: Aug 10, 2023

Weebit Nano has qualified its ReRAM module up to 125 degrees Celsius, the temperature specified for automotive grade 1 NVMs.

 

This demonstrates the suitability of Weebit ReRAM for use in MCUs and other automotive components, as well as high-temperature industrial and IoT applications.

 

The qualification, using Weebit’s demo chips manufactured by its R&D partner CEA-Leti, was performed based on well-known JEDEC industry standards for NVMs. These standards require the testing of many silicon dies blindly selected from three independent wafer lots.

 

Most chips for consumer and industrial applications need to be qualified for up to 10 years at temperatures between zero and 85 degrees Celsius. Advanced automotive components are much more stringent, requiring qualification at higher temperatures for 10 years or longer, with zero failures.

 

 

 

 

All the Weebit dies  passed the qualification tests at 125 degrees Celsius for 10 years retention.

 

image001.jpgCoby Hanoch, CEO of Weebit Nano, said: “This achievement is part of an ongoing process through which we are extending the qualification of our ReRAM technology to even higher temperatures, longer retention and higher endurance levels. In our discussions with Tier-1 foundries and semiconductor companies, we’re seeing increased interest in our ReRAM for automotive and industrial applications. Proving the resilience of Weebit ReRAM at such high temperatures will continue to move these discussions forward. We believe ReRAM to be a better choice for automotive and industrial applications compared to other emerging NVMs not only because of its high temperature performance, but also its low complexity, cost effectiveness, and other advantages such as tolerance to radiation and electromagnetic interference.”

 

The Weebit ReRAM demo chip comprises a full sub-system for embedded applications, including the Weebit ReRAM module, a RISC-V microcontroller (MCU), system interfaces, memories and peripherals. The ReRAM module includes a 128Kb 1T1R ReRAM array, control logic, decoders, IOs (Input/Output communication elements) and error correcting code (ECC). It is designed with unique patent-pending analog and digital circuitry running smart algorithms that significantly enhance the memory array’s technical parameters.

 

Weebit continues to extend the qualification of its ReRAM modules to higher temperature and endurance levels, both with CEA-Leti and SkyWater Technology