Resistance of a memory cell element in a resistive cross point memory cell array is sensed by a read circuit including a differential amplifier, a first direct injection preamplifier and a second direct injection preamplifier. During a read operation, the first direct injection preamplifier is coupled to a first input node of the differential amplifier, and the second direct injection preamplifier is coupled to a second input node of the differential amplifier.

 
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