Varying a time average for feedback of a memory system

A method, comprising:

• transmitting a first voltage from a voltage source to a regulator;
• transmitting a second voltage from the regulator to a memory array based at least in part on transmitting the first voltage;
• transmitting, to an oscillator of a digital feedback circuit, a first signal indicating a voltage of the memory array;
• receiving, at the digital feedback circuit, the first signal indicating the voltage of the memory array based at least in part on transmitting the second voltage to the memory array;
• generating, by the oscillator, a second analog signal that operates at a first frequency in response to a magnitude of the first signal based at least in part on transmitting the first signal to the oscillator;
• transmitting, to a counter of the digital feedback circuit, the second analog signal based at least in part on generating the second analog signal;
• selecting a duration from a plurality of durations for the counter;
• determining, at the counter, a quantity of oscillations of the second analog signal during the duration, wherein the quantity of oscillations during the duration is associated with the feedback;
• generating a digital signal based at least in part on determining the quantity of oscillations;
• generating, by the digital feedback circuit, feedback comprising information averaged over a duration based at least in part on receiving the first signal;
• and
• transmitting, from the digital feedback circuit to the regulator, an analog signal based at least in part on generating the feedback.

An apparatus, comprising:

• a memory array;
• and
• a controller coupled with the memory array and configured to cause the apparatus to:
• transmit a first voltage from a voltage source to a regulator;
• transmit a second voltage from the regulator to the memory array based at least in part on transmitting the first voltage;
• transmit, to an oscillator of a digital feedback circuit, a first signal indicating a voltage of the memory array;
• receive, at the digital feedback circuit, the first signal indicating the voltage of the memory array based at least in part on transmitting the second voltage to the memory array;
• generate, by the oscillator, a second analog signal that operates at a first frequency in response to a magnitude of the first signal based at least in part on transmitting the first signal to the oscillator;
• transmit, to a counter of the digital feedback circuit, the second analog signal based at least in part on generating the second analog signal;
• select a duration from a plurality of durations for the counter;
• determine, at the counter, a quantity of oscillations of the second analog signal during the duration, wherein the quantity of oscillations during the duration is associated with the feedback;
• generate a digital signal based at least in part on determining the quantity of oscillations;
• generate, by the digital feedback circuit, feedback comprising information averaged over a duration based at least in part on receiving the first signal;
• and
• transmit, from the digital feedback circuit to the regulator, an analog signal based at least in part on generating the feedback.