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US 8,942,055 B2Granted
Voltage battery
AssigneeTaiwan Semiconductor Manufacturing Company, Ltd.
InventorsAnnie-Li-Keow Lum, Kuoyuan (Peter) Hsu
Life of this patent
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Abstract
A circuit includes a voltage generating circuit and a voltage keeper circuit. The voltage generating circuit includes a first node. The voltage keeper circuit includes a second node and a third node. The first node is coupled with the second node. The voltage generating circuit is configured to generate a voltage value at the first node and the second node to maintain the third node at a particular third node voltage.
Claims20
A circuit comprising:
- a voltage generating circuit including a first node;
- and
- a voltage keeper circuit including a second node and a third node,
- wherein
- the voltage keeper circuit comprises a first transistor, a gate of the first transistor being electrically coupled with the second node of the voltage keeper circuit;
- the first node is coupled with the second node;
- and
- the voltage generating circuit is configured to generate a voltage value at the first node and the second node to maintain the third node at a particular third node voltage.
5 more elements
A memory macro comprising:
- a plurality of memory banks;
- a voltage generating circuit;
- a plurality of voltage keeper circuits;
- and
- a plurality of data lines,
- wherein
- each data line of the plurality of data lines is coupled with each voltage keeper circuit of the plurality of voltage keeper circuits and with a plurality of memory cells in a memory bank of the plurality of memory banks;
- the voltage generating circuit is configured to provide a voltage to the each voltage keeper circuit at a node of the each voltage keeper circuit;
- and
- based on the voltage provided by the voltage generating circuit, the each voltage keeper circuit of the plurality of voltage keeper circuits is configured to keep the each data line at a data line voltage.
7 more elements
A circuit comprising:
- a current generating circuit;
- a voltage keeper circuit;
- and
- a current mirror coupled with the current generating circuit and with the voltage keeper circuit,
- wherein
- the current generating circuit is configured to generate a first current;
- the current mirror is configured to mirror the first current to a second current;
- and
- the voltage keeper circuit is configured to receive the second current for use in maintaining a voltage vale of a node of the voltage keeper circuit.
6 more elements
Dependencies are inferred from the claim text.