So how did we get here, and is there life beyond QLC NAND Flash? Basic model of a floating-gate transistor. At the core of NAND Flash lies the concept of floating gates, as first pioneered in the ...

but very few optical transistors or logic devices possess them 3. In addition to basic complete logic functionality such as NOR or NAND gates, the first four requirements below are essential for ...

Many chips require both optical and e-beam inspection systems ... the metrology challenges increase “due to a higher number of 3D gate stacks and multi NAND string stacks,” said Jeongdong Choe, an ...

NAND Flash is named after the NAND (NOT-AND) logic gate, which is used in its basic architecture. The term "NAND" is derived from the way the memory cells are organized in a series-connected structure ...

USB sticks or flash drives store data using NAND flash memory, in the form of binary values (zeros and ones) in memory cells. Interestingly, it is electrons trapped in a kind of “floating gate ...

The NAND and NOR designations actually refer to the logic circuits on the chips (for more details, see flash memory and logic gate). Traditional flash memory has a single layer of cells ...

Texas Instruments’ 5400 and 7400 TTL quad 2-input NAND gate has been in continuous production since 1964 and is the progenitor of what is probably the most numerous breed of integrated circuits, ...