Apparatuses and methods for controlling sense amplifier operation

An apparatus, comprising:

• first and second sense lines, each sense line coupled to a respective set of memory cells;
• a sense amplifier including first and second sense nodes, and further including a first isolation switch and a second isolation switch, the first isolation switch coupled to the first sense node and the first sense line and configured to provide a conductive path between the first sense node and the first sense line when activated, the second isolation switch coupled to the second sense node and the second sense line and configured to provide a conductive path between the second sense node and the second sense line when activated;
• a control signal driver circuit configured to receive an input control signal and provide an output control signal responsive to the input control signal, the output control signal provided to the first and second isolation switches, the control signal driver circuit further configured to provide the output control signal having a first high logic level voltage for a first portion of a sense amplifier operation and a second high logic signal voltage for a second portion of the sense amplifier operation, the second high logic level voltage greater than the first high logic level voltage;
• a control logic circuit configured to receive the input control signal and an enable signal, the control logic circuit further configured to provide an intermediate control signal responsive to the input control signal when enabled by an active enable signal;
• a plurality of inverter circuits coupled in series, a first inverter circuit of the plurality of inverter circuits configured to receive the intermediate control signal and a last inverter circuit of the plurality of inverter circuits configured to provide the output control signal;
• and
• a voltage control circuit coupled to at least one of the plurality of inverter circuits and configured to provide a high logic level voltage, the voltage control circuit further configured to provide the high logic level voltage at the first high logic level voltage for the first portion of the sense amplifier operation and to provide the high logic level voltage at the second high logic level voltage for the second portion of the sense amplifier operation.

An apparatus, comprising:

• a first sense line and a second sense line;
• a sense amplifier including a first isolation switch coupled to a first sense node and the first sense line, and including a second isolation switch coupled to a second sense node and the second sense line;
• and
• a control signal driver configured to provide a control signal to the first and second isolation switches of the sense amplifier, the control signal driver configured to provide the control signal to deactivate the first and second isolation switches having a low logic level voltage and further configured to provide the control signal to activate the first and second isolation switches having a first high logic level voltage or a second high logic level voltage, the second high logic level voltage greater than the first high logic level voltage.