Structures and methods for NOR flash memory cells, arrays and systems are provided. The NOR flash memory cell includes a vertical floating gate transistor extending outwardly from a substrate. The floating gate transistor having a first source/drain region, a second source/drain region, a channel region between the first and the second source/drain regions, a floating gate separated from the channel region by a gate insulator, and a control gate separated from the floating gate by a gate dielectric. A sourceline is formed in a trench adjacent to the vertical floating gate transistor and coupled to the first source/drain region. A transmission line coupled to the second source/drain region. And, a wordline is coupled to the control gate perpendicular to the sourceline.

 
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