2020 IEEE International Solid- State Circuits Conference - (ISSCC) 2020
DOI: 10.1109/isscc19947.2020.9063053
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13.1 A 1Tb 4b/cell NAND Flash Memory with tPROG=2ms, tR=110µs and 1.2Gb/s High-Speed IO Rate

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Cited by 24 publications
(23 citation statements)
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“…Among the several architectural solutions for 3D storage [39][40][41][42][43][44][45][46], the one employing vertical-channel strings crossed by a set of planar wordlines has become the most effective one [47][48][49][50], and is the focus of this section. Here we will briefly describe the main features of such an array, namely its organization and cell structure, referring to previous works for further details [51].…”
Section: Array and Cell Structurementioning
confidence: 99%
“…Among the several architectural solutions for 3D storage [39][40][41][42][43][44][45][46], the one employing vertical-channel strings crossed by a set of planar wordlines has become the most effective one [47][48][49][50], and is the focus of this section. Here we will briefly describe the main features of such an array, namely its organization and cell structure, referring to previous works for further details [51].…”
Section: Array and Cell Structurementioning
confidence: 99%
“…To realize the NIR-emitting Ir(III) complexes, the strategy of using the cyclometalated ligands with the extensively conjugated rings was used (Qiao et al, 2009). Even though the emission wavelengths are obviously red-shifted, the 3 MLCT contributions at the excited state manifolds of these Ir(III) complexes decreased and the increased p-p interactions between neighboring entities may cause a strong triplet-triplet annihilation (TTA) (Kim et al, 2020), resulting in the undesired decay to the ground states through nonradiative decays. While the use of the rigid and unitary cyclometalated ligands in the Ir(III) phosphors was recently studied, this method can restrict the intramolecular motion and was demonstrated to improve PLQYs of the designed Ir(III) complexes (You et al, 2020a); however, the intricate chemical structures and multistep synthesis steps may limit its practical application.…”
Section: Introductionmentioning
confidence: 99%
“…In addition, MLC technology significantly reduces the margin between different V TH levels used to store multiple bits in a single flash cell. Consequently, the V TH level of a 3D NAND flash cell with advanced MLC techniques (e.g., triple-level cell (TLC) [6,37] or quad-level cell (QLC) [32,44]) can quickly shift beyond the read-reference voltage V REF (i.e., the voltage used to distinguish between cell V TH levels) after programming, which results in an error when reading the cell.…”
Section: Introductionmentioning
confidence: 99%