New flash architecture combines QLC density with SLC speed

NEO Semiconductor: New Flash Architecture Combines QLC Density with SLC Speed

Cover

QLC NAND flash has already found many applications due to its higher density and lower price than other NAND types. However, a serious limitation is that QLC has relatively low performance (especially write speed).

A new architecture called X-NAND results in both TLC and QLC NAND with read/write performance comparable to SLC.

Such architecture can produce the high-speed, low-cost solution required by such emerging applications as AI/ML, 5G, real-time analysis, VR/AR, and cybersecurity.  X-NAND architecture can be applied to SLC to PLC flash.

Simulation shows that X-NAND in SLC can deliver an astonishing read throughput of 85 GB/s. The architecture enables NAND flash to be readily integrated into ultra-high-bandwidth 3D integrated chips.

Vendor:
Flash Memory Summit
Posted:
18 Dec 2020
Published:
18 Dec 2020
Format:
PDF
Length:
60 Page(s)
Type:
Presentation
Language:
English
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