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Best Practices for X-ray Inspection, Reflow and the Impact of Pre-programmed Managed-NAND devices

NOV
13
2019
13. NOV 2019

Vortrag Halle A1 productronica Forum

13:30-14:00 Uhr | Halle A1 productronica Forum, A1, booth 220

Themen: Mess- und Prüftechnik, Qualitätssicherung | Product Finishing | Produktionssubsysteme

Sprecher: Anthony Ambrose (Data I/O GmbH)

Format: Vortrag

Sprache: Englisch

Advancements in the flash technology to support larger storage in a small package have raised concerns on the reliability of pre-programmed devices during the manufacturing process.  High energy radiation exposure can be a source of stress for some preprogrammed Managed-NAND devices if not managed properly. This stress varies depending on the grade of the managed NAND device including Commercial, Industrial and Automotive. Managed-NAND integrates NAND flash memory and an embedded controller chip in a single package to perform error correction (ECC), wear leveling and bad-block management internally to ensure the integrity of the data programmed in the Flash array.  NAND performance is relative to the quality and sophistication designed into the embedded controller firmware. 

 

Production bottlenecks and high cost of programming large files at test make preprogramming the preferred method for production managers building product using high-density eMMC NAND flash.  While there are several well documented papers to validate that X-Ray inspection can impact data retention in preprogrammed eMMC NAND devices, little is mentioned regarding technology advancements designed to correct eMMC data retention errors including bit-flips.   This session is intended to help production managers better understand eMMC NAND and 3D UFS with a focus on the technology safeguards and recommended best practices to ensure data integrity from the time the eMMC or UFS device is preprogrammed to final product.  Error correction code (ECC) enabled eMMC devices preserve data integrity and are essentially immune to “reasonable” doses of irradiation.

Sprecher,
Data I/O GmbH

Anthony Ambrose

Anthony Ambrose

Data I/O GmbH

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Sprecher,
Data I/O GmbH

Anthony Ambrose
Anthony Ambrose
Data I/O GmbH

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