Semiconductor device having multiple overlapping rows of bond pads with conductive interconnects and method of pad placement
DCFirst Claim
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1. A semiconductor device comprising:
- a die having four sides;
a first side of the die having;
a first row of bond pads positioned substantially along a first axis offset from and parallel to the first side of the die by a first distance;
a second row of bond pads positioned substantially along a second axis offset from and parallel to the first side of the die by a second distance which is greater than the first distance;
whereineach bond pad of the first row has a first and a second side substantially perpendicular to the first side of the die.each bond pad of the second row has a first and a second side substantially perpendicular to the first side of the die, the first side of each bond pad of the second row forming a pad placement axes,each pad placement axes intersecting a corresponding bond pad associated with the first row of bond pads where the pad placement axes is not coincident with the first or second side of the corresponding bond pad.
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Abstract
The present invention comprises a semiconductor device (20) having a active circuit (22) and a bond pad area (24). Within the bond pad area there are a plurality of rows of bond pads. Sets of bond pads (30-36) include one bond pad from each row. The bond pads (26) are uniquely positioned within the bond pad area (24) to allow for a first wire pitch between pads which are adjacent and in the same set, and a second wire pitch between pads which are adjacent and in different sets. A method of determining placement of the bond pads (26) is taught.
43 Citations
16 Claims
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1. A semiconductor device comprising:
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a die having four sides; a first side of the die having; a first row of bond pads positioned substantially along a first axis offset from and parallel to the first side of the die by a first distance; a second row of bond pads positioned substantially along a second axis offset from and parallel to the first side of the die by a second distance which is greater than the first distance; wherein each bond pad of the first row has a first and a second side substantially perpendicular to the first side of the die. each bond pad of the second row has a first and a second side substantially perpendicular to the first side of the die, the first side of each bond pad of the second row forming a pad placement axes, each pad placement axes intersecting a corresponding bond pad associated with the first row of bond pads where the pad placement axes is not coincident with the first or second side of the corresponding bond pad. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A semiconductor device comprising:
a die having a plurality of bond pads located around an outer perimeter, the bond pads being placed in at least first, second and third parallel rows displaced from the outer perimeter such that the third row is farther from the outer perimeter than the second row which is farther than first row from the outer perimeter, the bond pads forming a sets of bond pads having a bond pad from the first, second and third rows, within each set a bond pad of the third row is positioned closer to a center of the section of bond pads than a bond pad of the second row of the set, and the bond pad of the second row is closer to the center of the section of bond pads than a bond pad of the first row. - View Dependent Claims (12, 13, 14)
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15. A semiconductor device comprising:
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a die having a first edge and a second edge, wherein the first edge is substantially orthogonal to the second edge; a first row of bond pads positioned along a first axis substantially parallel with the first edge of a semiconductor die, the first row including a first pad and a second pad; a second row of bond pads, including a third pad and a fourth pad, positioned along a second axis substantially parallel with the first edge of a semiconductor die, where the second axis is located further from the edge that the first axis, the first row including a third pad and a fourth pad; wherein each of the first, second, third, and fourth bond pads have a first and second edge substantially parallel to the second edge of the die, and the first edge of each of the first, second, third, and fourth bond pads is closer to the second edge of the die than the respective bond pad'"'"'s second edge; wherein an axis coincident to the second edge of the first bond pad intersects the third bond pad while an axis coincident to the first edge of the first bond pad does not intersect the third bond pad, and an axis coincident to the first edge of the second bond pad intersects the fourth bond pad while an axis coincident to the first edge of the first bond pad does not intersect the fourth bond pad.
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16. A semiconductor device comprising:
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a die having a first edge; a first and a second bond pad associated with the first edge, the first bond pad between the second bond pad and the edge, and having a first and second edge perpendicular to the first edge of the die, wherein only one of an axis coincident with the first edge of the first bond pad and an axis coincident the second edge of the first bond pad intersects the second bond pad.
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Specification