1. A NAND flash memory device, comprising: an array of NAND flash memory cells; a plurality of word lines connected to the NAND flash memory cells; and a plurality of bit lines connected to the NAND flash memory cells, wherein the bit lines each comprise, a first bit line portion, a second bit line portion, and a switching device extending between the first and second bit line portions to selectively connect the first and second bit line portions together, and wherein at least a first NAND flash memory cell is connected to the first bit line portion, and at least a second NAND flash memory cell is connected to the second bit line portion.