Circuit for providing a logic gate function and a latch function

An electronic circuit comprising differential signal input means, a combining stage, a discriminating stage and differential signal output means, wherein the discriminating stage comprises four transistors each having respective first and second electrodes and a respective gate electrode for controlling a current flow between said first and second electrodes, wherein the first electrodes of said four transistors are connected to a common node, wherein the differential signal output means comprise a pair of differential output terminals each connected to at least one of the second electrodes of said four transistors, and wherein the combining stage is arranged to convert differential input signals received by the differential signal input means into gate signals respectively applied to the gate electrodes of at least some of said four transistors.