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Dive into the research topics where Timothy J. Fisher is active.

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Featured researches published by Timothy J. Fisher.


international memory workshop | 2016

Effect of Read Disturb on Incomplete Blocks in MLC NAND Flash Arrays

Nikolaos Papandreou; Thomas Parnell; Thomas Mittelholzer; H. Pozidis; Thomas D. Griffin; Gary A. Tressler; Timothy J. Fisher; Charles J. Camp

The effect of read disturb on partially programmed blocks of MLC NAND is evaluated using experimental data from 2y-, 1y- and 1x-nm Flash memory devices. We demonstrate that when a partially programmed block is exposed to a large number of reads before it is finalized in terms of page programming, the remaining pages will exhibit a significant bit error-rate (BER) increase. The page-BER is characterized in terms of program-erase cycles and read cycles and is further analyzed based on the programmed threshold voltage distributions. The impact of the page programming algorithm is also discussed.


Archive | 2010

Efficient reduction of read disturb errors in NAND FLASH memory

Holloway H. Frost; Charles J. Camp; Timothy J. Fisher; James A. Fuxa; Lance W. Shelton


Archive | 2013

PHYSICAL ADDRESS MANAGEMENT IN SOLID STATE MEMORY

Charles J. Camp; Timothy J. Fisher; Kevin E. Sallese


Archive | 2013

GARBAGE COLLECTION SCALING

Timothy J. Fisher; Aaron D. Fry; Samuel K. Ingram; Lincoln T. Simmons


Archive | 2016

PROGRAMMING NON-VOLATILE MEMORY USING A RELAXED DWELL TIME

Charles J. Camp; Timothy J. Fisher; Aaron D. Fry; Andrew D. Walls


Archive | 2016

Recording dwell time in a non-volatile memory system

Timothy J. Fisher


Archive | 2014

REDUCING WRITE AMPLIFICATION IN SOLID-STATE DRIVES BY SEPARATING ALLOCATION OF RELOCATE WRITES FROM USER WRITES

Charles J. Camp; Timothy J. Fisher; Aaron D. Fry; Nikolas Ioannou; Ioannis Koltsidas; Roman A. Pletka; Sasa Tomic


Archive | 2013

Retirement of physical memory based on dwell time

Timothy J. Fisher; Aaron D. Fry


Archive | 2016

Background threshold voltage shifting using base and delta threshold voltage shift values in non-volatile memory

Charles J. Camp; Timothy J. Fisher; Aaron D. Fry; Nikolas Ioannou; Ioannis Koltsidas; Nikolaos Papandreou; Thomas Parnell; Roman A. Pletka; Charalampos Pozidis; Sasa Tomic


Archive | 2014

Cooperative data deduplication in a solid state storage array

Timothy J. Fisher; Nikolas Ioannou; Ioannis Koltsidas; Roman A. Pletka; Sasa Tomic

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