Patent ID: 9343131
Filing Date: 2016-05-17
CPC Classification: G11C

Claim Text:
1. A system for sensing a data state of a data cell, the system comprising: a comparator having a first input at a node A and a second input at a node B; a first n-channel transistor connected to a first p-channel transistor at the node A; a second n-channel transistor connected to a second p-channel transistor at the node B; a first switch connected to a gate and a drain of the first p-channel transistor, wherein the first switch is configured to selectively connect the drain of the first p-channel transistor to a voltage supply via a first capacitor; a second switch connected to a gate and a drain of the second p-channel transistor, wherein the second switch is configured to selectively connect the drain of the second p-channel transistor to the voltage supply via a second capacitor; and a multiplexer configured to selectively connect a first reference cell or the data cell to the first n-channel transistor and configured to selectively connect the data cell or a second reference cell to the second n-channel transistor; wherein the comparator outputs the data state of the data cell based on input of a node A voltage at the node A and a node B voltage at the node B.