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Stub minimization using duplicate sets of signal terminals having modulo-x symmetry in assemblies without wirebonds to package substrate
Stub minimization using duplicate sets of signal terminals having modulo-x symmetry in assemblies without wirebonds to package substrate
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机译:在组件中使用重复的具有模x对称性的信号端子集来进行残端最小化,而无需将引线键合至封装基板
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摘要
A microelectronic assembly can include a circuit panel having first and second panel contacts at respective first and second surfaces thereof, and first and second microelectronic packages each having terminals mounted to the respective panel contacts. Each package can include a microelectronic element having a face and contacts thereon, a substrate having first and second surfaces, and terminals on the second surface configured for connecting the package with an external component. The terminals can include first terminals at positions within first and second parallel grids. The first terminals can be configured to carry address information usable by circuitry within the package to determine an addressable memory location from among all the available addressable memory locations of a memory storage array within the microelectronic element. Signal assignments of the first terminals in the first grid can be a mirror image of signal assignments of the first terminals in the second grid.
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