Distributed feedback in scale up signal paths
AssigneeMicron Technology, Inc.
InventorsTimothy M. Hollis, Chulkyu Lee
Life of this patent
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Abstract
A device includes a signal path including a plurality of inverters connected in series, which comprises a first inverter having a first input and a having first output, a second inverter having a second input coupled to the first output of the first inverter and having a second output, and a third inverter having a third input coupled to the second output of the second inverter and having a third output. The device also includes a first feedback path connecting the second output of the second inverter to the first input of the first inverter, the first feedback path including a fourth inverter and a second feedback path connecting the third output of the third inverter to the second input of the second inverter, the second feedback path including a fifth inverter.
Claims20
A device, comprising:
- a signal path including a plurality of inverters connected in series which comprises:
- a first inverter having a first input and a having first output;
- a second inverter having a second input coupled to the first output of the first inverter and having a second output;
- and
- a third inverter having a third input coupled to the second output of the second inverter and having a third output;
- a first feedback path connecting the second output of the second inverter to the first input of the first inverter, the first feedback path including a fourth inverter;
- and
- a second feedback path connecting the third output of the third inverter to the second input of the second inverter, the second feedback path including a fifth inverter.
A device, comprising:
- a signal path including a plurality of inverters connected in series to define a plurality of intermediate nodes each disposed between corresponding adjacent two inverters of the plurality of inverters;
- and
- a plurality of feedback paths each connecting a corresponding one node of the plurality of intermediate nodes to another node of the plurality of intermediate nodes, each of the plurality of feedback paths including at least one inverter as a feedback inverter;
- wherein each loop path closed with a corresponding portion of the signal path and a corresponding one of the plurality of feedback paths includes odd number of inverters.
A method, comprising:
- transmitting a signal along a signal path comprising a plurality of inverters connected in series to increase a capacitance drive-ability of the signal, wherein a first inverter of the plurality of inverters comprises a first input and first output, wherein a second inverter of the plurality of inverters comprises a second input coupled to the first output of the first inverter and the second inverter comprises a second output, wherein a third inverter of the plurality of inverters comprises a third input coupled to the second output of the second inverter and the third inverter comprises a third output;
- feeding back, along a first feedback path including a fourth inverter and connecting the second output of the second inverter to the first input of the first inverter, a first feedback signal from the second output of the second inverter to the first input of the first inverter;
- and
- feeding back, along a second feedback path including a fifth inverter and connecting the third output of the third inverter to the second input of the second inverter, a second feedback signal from the third output of the third inverter to the second input of the second inverter.
Dependencies are inferred from the claim text.