MEMORY AND LAYOUT METHOD OF MEMORY BALL PADS
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United States of America Patent
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Issued Date -
Jul 30, 2015
app pub date -
May 3, 2014
filing date -
Jan 29, 2014
priority date (Note) -
Abandoned
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Abstract
A memory comprises a substrate and memory ball pads. The memory ball pads are disposed around the substrate so as to form a ring pattern which show a bilateral symmetry by reflection, wherein the memory ball pads of left-half part of the ring pattern are divided into a first main area, a second main area, a third main area and a fourth main area. The memory ball pads in the first main area are divided into a first sub-region, a second sub-region and a third sub-region, and a plurality of input/output data pins and electricity power pins are disposed in the first sub-region and the third sub-region, wherein the input/output data pins are not adjacent to each other and at least one power voltage pin and at least one ground voltage pin are disposed next to each of the input/output data pins.
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