Ball grid array package layout supporting many voltage splits and flexible split locations
US7750460B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 21, 2008 |
| Grant date | Jul 6, 2010 |
| Priority date | — |
| Expiry date | Nov 7, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/3025
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A die package generally including (A) ground paths routing a power ground from a ground power set of contact pads in a first conductive layer to a ground ring in a second conductive layer, (B) core paths routing a core voltage from a core power set of contact pads in the first conductive layer to a core ring in the second conductive layer, and (C) input/output voltage paths routing input/output voltages from an input/output power set of contact pads in the first conductive layer to an input/output ring in the second conductive layer, (i) the input/output ring surrounding the core ring, (ii) the ring being configured to power input and output circuits of the die, (iii) the input/output ring being split into ring segments isolated from each other and (iv) at least one particular ring segment having a length of less than a single connector pitch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.