MLC initially doubled the capacity of flash memory chips by storing two bits in each data cell. While the first MLC, with its 2 bits per cell, was productized in 1996, the technology has matured and become a fundamental aspect of nearly all flash memory shipped throughout the world. This maturation includes the now-commonplace Triple-Level Cell (TLC) products supporting 3 bits per cell, as well as Quad-Level Cell (QLC) products supporting 4 bits per cell. There is currently a worldwide effort to enable Penta-Level Cell (PLC) products which would support 5 bits per cell.
In 1985, Yoshishige Kitamura invented the concept of storing multiple bits in an EPROM's floating gate cell. He did this while at NEC, the Japanese corporation that at that time was the world's largest semiconductor manufacturer as well as the world's leading supplier of DRAM and floating gate EPROM devices.
Dr. Eli Harari's initial goal with his founding of SanDisk in 1988 was to produce MLC flash memory chips. After eight years of diligent effort, SanDisk succeeded when it first shipped CompactFlash memory cards based on MLC-capable flash chips. (Dr. Harari is a past recipient of this FMS award for other accomplishments.)
Greg Atwood was the key person at Intel responsible for putting MLC Flash into volume production with its StrataFlash products. Atwood was inspired to initiate this effort when he learned of a telephone answering machine that stored linear values for voice recordings on EEPROM chips.
Flash Memory Summit also announces that it presented its 2020 Lifetime Achievement Award to Dr. John R. Szedon for having proposed the use of a Charge Trap as a nonvolatile memory bit. Due to the pandemic, there was no awards ceremony during that year. Szedon's work was detailed in a paper he delivered at the 1967 IEEE Device Research Conference. The importance of Szedon's work is demonstrated by the fact that the vast majority of the flash memory sold today uses the Charge Trap technique.
For more information visit https://flashmemorysummit.com/. Visit https://flash-memory.omnievent.com/ to register for the event.
Flash Memory Summit, produced by Conference ConCepts, showcases mainstream applications, key technologies, leading vendors, and innovative startups driving the multi-billion-dollar high-speed memory and SSD markets. FMS is now the world's largest event featuring trends, innovations, and influencers driving adoption of flash memory and other high-speed memory technologies within demanding enterprise storage applications, high-performance computing, mobile, and embedded systems.
Michelle Suzuki
310-444-7115
https://www.flashmemorysummit.com
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