Systems and methodologies are provided for temperature compensation of
thin film diode voltage levels in memory sensing circuits. The subject
invention includes a temperature sensitive bias circuit and an array core
with a temperature variable select device. The array core can consist of
a thin film diode in series with a nanoscale resistive memory cell. The
temperature sensitive bias circuit can include a thin film diode in
series with two resistors, and provides a temperature compensating bias
voltage to the array core. The thin film diode of the temperature
sensitive bias circuit tracks the diode of the array core, while the two
resistors create a resistive ratio to mimic the effect of temperature
and/or process variation(s) on the array core. The compensating bias
reference voltage is generated by the temperature sensitive bias circuit,
duplicated by a differential amplifier, and utilized to maintain a
constant operation voltage level on the nanoscale resistive memory cell.