Slide 1: ReRAM: The Automotive NVM Solution
ReRAM: The Automotive NVM Solution Amir Regev, VP Quality & Reliability, Weebit Nano August 7, 2024
Slide 2: Outline
Outline Embedded ReRAM market Weebit Nano – 4 pillars of ReRAM success Automotive qualification status GF22 pre-qualification results Summary Weebit Nano Proprietary Information 2
Slide 3: ReRAM History
2023-2024 ReRAM History 2021-2022 2019-2020 TSMC NVM 2010s Roadmap: RRAM Down to 6nm 2000s Automotive Nuvoton ReRAM 1960 µC 28nm MCUs Infineon & TSMC Up to 512KB 22nm FinFET Trusted supplier Power Management Panasonic Intel, TSMC ReRAM qualified NVM Samsung 1 commercially available st 104 cycles, 85
Slide 4: Embedded NVM Comparison
Embedded NVM Comparison eFlash FeRAM STT-MRAM PCM ReRAM (RRAM) High-temp reliability Radiation immunity EMI immunity Low power consumption Fast programming High endurance Production cost Contaminating materials Small module size Mature technology ReRAM best positioned to lead the next NVM wave Weebi
Slide 5: https://www.youtube.com/watch?v=iNUnrFHRSRs
https://www.youtube.com/watch?v=iNUnrFHRSRs Weebit Nano Proprietary Information 5
Slide 6: State of Weebit ReRAM Today
State of Weebit ReRAM Today Coming End of 2024: soon: Target AEC-Q100 AECQ- 100 Qual Qual Qualified modules at 85°C and 125°C Temperatures specified for industrial and automotive grade 1 ICs Qualified for endurance and 10yr retention per JEDEC industry standards June 2024: Partnering AEC-Q100 qualif
Slide 7: Automotive in Need of New NVM Technologies
Automotive in Need of New NVM Technologies Growing needs for emerging NVM Some Places Where NVM is Needed for code storage, trimming, data logging Found in a Car Lighting/Window/ Touch Screen Automotive ICs have unique requirements Mirror Controllers Controller Design for safety, security and longev
Slide 8: Performance under Extended Automotive Conditions
Performance under Extended Automotive Conditions 150°C Operation For automotive qualification, need to demonstrate operation at Tmax = 150°C Automative grading for temp according to the specific application Grade 0 (-40°C to +150°C) is the most stringent and usually needed for under-the-hood applica
Slide 9: Test Results from GlobalFoundries 22FDX
Test Results from GlobalFoundries 22FDX Earlier this year we received GF 22FDX wafers incorporating our ReRAM module 8Mb, 128-bit wide, targeting 10K cycles and 10yr retention at 105°C (automotive to follow) Characterization and qualification activities are ongoing Pre-qualification results show: We
Slide 10: Conclusions
Conclusions Weebit ReRAM ported successfully to commercial foundries E.g., SkyWater and DB HiTek Weebit is targeting the automotive market and is in the process of automotive qualification with very good results For the first time, Weebit is publicly presenting pre-qualification results of its ReRAM
Slide 11: Thank You!
Thank You! www.weebit-nano.com