SENSE AMPLIFIER CIRCUIT, CORRESPONDING MEMORY DEVICE AND METHOD OF OPERATION
Abstract:
A sense amplifier circuit includes first, second inputs coupled to first, second memory sensing nodes, respectively. A sensing circuit operates to sense a differential signal between the first, second inputs. A first boosting capacitor has a first terminal coupled to the first input and a second terminal coupled to a switchable node. A second boosting capacitor has a first terminal coupled to the second input and a second terminal coupled to the switchable node. Control circuitry operates, responsive to a bitline boost activation signal having a first value, to couple the first terminals of the first, second boosting capacitors to a regulated supply voltage and drive the switchable node to ground. Responsive to the bitline boost activation signal having a second value, the first terminals of the first, second boosting capacitors are decoupled from the regulated supply voltage and the switchable node is driven to the regulated supply voltage.
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