APPARATUS AND METHOD FOR SEGMENTATION OF A MEMORY DEVICE

摘要

Embodiments in the present disclosure pertain to an apparatus and method for segmentation of a memory device. A bit line (100) is comprised of at least two bit line segments (102, 103) separated by a segment switch (101). When accessing memory cells (105) coupled to the bit line segment closest to the sense amplifier (104), the switch is non-conducting. Controlling the switch to be non-conducting electrically isolates the other bit line segment, thereby also electrically isolating the capacitance and resistance inherent to that bit line segment from the sense amplifier. By electrically isolating" the capacitance and resistance from the sense amplifier, self-refresh, refresh, and row activation can be performed with less power consumed and lower access latency.