Semiconductor memory cell, array, architecture and device,...

Semiconductor memory cells having common contact hole

Semiconductor memory circuit

Semiconductor memory device

Semiconductor memory device

Semiconductor memory device

Semiconductor memory device

Semiconductor memory device

Semiconductor memory device

Semiconductor memory device

Semiconductor memory device

Semiconductor memory device

Semiconductor memory device

Semiconductor memory device

Semiconductor memory device

Semiconductor memory device

Semiconductor memory device

Semiconductor memory device

Semiconductor memory device

Semiconductor memory device