Patent ID: 6288575
Filing Date: 2001-09-11
Classification: G11C,H03F,H03K

Abstract:
A current sense amplifier, comprising:a first amplifier and a second amplifier, wherein each amplifier comprises:a first transistor of a first conductivity type, wherein the first transistor of a first conductivity type includes an n-channel metal oxide semiconductor (NMOS) transistor; anda second transistor of a second conductivity type, wherein the first and second transistors are coupled at a drain region;a signal input node coupled to a source region of the first transistor of the first amplifier;a first signal output node coupled to the drain region of the first and the second transistor in the second amplifier, and wherein the first signal output node is further coupled to a gate region of a third transistor wherein a source region of the third transistor is coupled to a source region of the second transistor of the first amplifier, and wherein a drain region of the third transistor is coupled to the signal input node; anda second signal output node coupled to the drain region of the first and the second transistor in the first amplifier, and wherein the second signal output node is further coupled to a gate region of a fourth transistor.