Semiconductor device
AssigneeKabushiki Kaisha Toshiba
InventorKosuke HATSUDA
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Abstract
According to one embodiment, a semiconductor storage device includes a transistor, a first node, a first capacitor, a first switch, and a second switch. One end of the transistor is connected to a first voltage source supplying a first voltage. The first node is charged to the first voltage by the transistor. One of electrodes of the first capacitor is connected to the first node, and the other of the electrodes of the first capacitor is supplied with a first clock signal having a second voltage. One end of the first switch is connected to the first node. The first switch outputs a potential of the first node at a first time at which the first switch is turned on. One end of the second switch is connected to the first node. The second switch outputs the potential of the first node at a second time.
Claims17
A semiconductor storage device comprising:
- a first transistor, one end of which is connected to a first voltage source supplying a first voltage;
- a first node which is charged to the first voltage by the first transistor;
- a first capacitor, one of electrodes of which is connected to the first node, and the other of the electrodes of which is supplied with a first clock signal having a second voltage;
- a first switch element, one end of which is connected to the first node, the first switch element outputting a potential of the first node at a first time at which the first switch element is turned on;
- and
- a second switch element, one end of which is connected to the first node, the second switch element outputting the potential of the first node at a second time, which is different from the first time, at which the second switch element is turned on.
A method of controlling a semiconductor storage device comprising:
- turning on a first MOS transistor, one end of which is connected to the first node, by supplying a first clock signal to one of electrodes of a first capacitor element so that the first MOS transistor transfers a first voltage to a first node;
- charging the first node to a second voltage by supplying a second clock signal having the first voltage to the other of electrodes of a second capacitor element, one of electrodes of which is connected to the first node, after the first node attains the first voltage, and
- outputting a potential of the first node at a first time when the first node is charged.
Dependencies are inferred from the claim text.