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US 2022/0188496 A1Published application
Cell Architecture with Backside Power Rails
AssigneeArm Limited
InventorsSharath Koodali Edathil, Marlin Wayne Frederick, JR.
Life of this patent
Estimating the term…
Abstract
Various implementations described herein refer to a method. The method may be configured to synthesize standard cells for a physical design having a power supply net with power supply rails. The method may be configured to employ a place-and-route tool so as to define edge-types for each standard cell of the standard cells in the physical design based on the power supply net and the power supply rails that touch at least one edge of each standard cell of the standard cells.
Claims20
A device, comprising:
- an array of standard cells arranged in a stack of multiple rows including an upper row, one or more interior rows and a lower row, wherein each standard cell has a cell architecture with configurable power supply rails, and wherein each row of the multiple rows has multiple rail positions for the configurable power supply rails including:
- an upper rail position for an upper configurable power supply rail that is shared between upper-adjacent standard cells in an upper-adjacent row for the one or more interior rows, or that is disposed at an upper outside edge of the array for the upper row, and
- a lower rail position for a lower configurable power supply rail that is shared between lower-adjacent standard cells in a lower-adjacent row, or that is disposed at lower outside edge of the array for the lower row.
A device, comprising:
- a multi-cell architecture having multiple cell structures of multiple cell types,
- wherein each cell structure has a backside power distribution network with backside power rails arranged in the multiple cell types, and
- wherein each cell structure has a grounded edge and a configured edge that provides a non-powered edge, an extended-power edge, or a powered edge with an interruption.
A device, comprising:
- one or more cells having a backside power distribution network (BPDN) cell architecture comprising:
- a first power rail coupled to a first power supply and comprising a first power rail segment configured to provide the first power supply to the one or more cells;
- and
- a grounded power rail coupled to ground, wherein either the first power rail or the grounded power rail is configurable with a power rail interruption.
1 more element
Dependencies are inferred from the claim text.