Integrated circuit package with voltage distributor
View Patent ↗An integrated circuit package includes a semiconductor die attached to a package support. The die has a plurality of peripheral bond pads along a periphery of the die and a first bond pad on an interior portion of the die wherein the first bond pad is a power supply bond pad. A conductive distributor is over the die and within a perimeter of the die and has a first opening. The plurality of bond pads are located between the perimeter of the die and a perimeter of the conductive distributor. The first bond pad is in the first opening. A first bond wire is connected between the first bond pad and the conductive distributor. A second bond wire is connected between a first peripheral bond pad of the plurality of peripheral bond pads and the conductive distributor.
1. An integrated circuit package, comprising:
a package support;
a semiconductor die attached to the package support, wherein the semiconductor die has a plurality of peripheral bond pads along a periphery of the semiconductor die and a first bond pad on an interior portion of the semiconductor die, wherein the first bond pad is a bond pad for a first power supply voltage domain of the semiconductor die;
a conductive distributor over the semiconductor die, wherein:
the conductive distributor is within a perimeter of the semiconductor die;
the plurality of peripheral bond pads are located between the perimeter of the semiconductor die and a perimeter of the conductive distributor;
the conductive distributor has a first opening, and
the first bond pad is in the first opening;
a first bond wire connected to the first bond pad and the conductive distributor; and
a second bond wire connected to a first peripheral bond pad of the plurality of peripheral bond pads and the conductive distributor.
2. The integrated circuit package of claim 1 , further comprising:
a third bond wire and a fourth bond wire;
wherein:
the conductive distributor has a first conductive layer, a second conductive layer over the first conductive layer and recessed from the first conductive layer, and an insulator separating the first conductive layer and the second conductive layer;
the semiconductor die further comprises a second bond pad in the first opening, wherein the second bond pad is a bond pad for a second power supply voltage domain of the semiconductor die;
the first bond wire is connected to the first conductive layer;
the second bond wire is connected to the first conductive layer;
the third bond wire is connected between the second conductive layer and the second bond pad; and
the fourth bond wire is connected between the second conductive layer and a second peripheral bond pad of the plurality of peripheral bond pads.
3. The integrated circuit package of claim 2 , wherein the first power supply voltage domain is a positive power supply voltage and the second power supply voltage domain is ground.
4. The integrated circuit package of claim 2 , wherein:
the conductive distributor has a second opening;
the semiconductor die further comprises a third bond pad in the second opening, wherein the third bond pad is a bond pad for the first power supply voltage domain;
the semiconductor die further comprises a fourth bond pad in the second opening, wherein the fourth bond pad is a bond pad for the second power supply voltage domain; and
the integrated circuit package further comprises:
a fifth bond wire connected to the first conductive layer and the third bond pad; and
a sixth bond wire connected to the second conductive layer and the fourth bond pad.
5. The integrated circuit package of claim 2 , wherein:
the semiconductor die further comprises a third bond pad in the first opening, wherein the third bond pad is a bond pad for the first power supply voltage domain;
the semiconductor die further comprises a fourth bond pad in the first opening, wherein the fourth bond pad is a bond pad for the second power supply voltage domain; and
the integrated circuit package further comprises:
a fifth bond wire connected to the first conductive layer and the third bond pad; and
a sixth bond wire connected to the second conductive layer and the fourth bond pad.
6. The integrated circuit package of claim 1 , further comprising:
a third bond wire;
wherein:
the semiconductor die further comprises a second bond pad in the first opening, wherein the second bond pad is a bond pad for the first power supply voltage domain; and
the third bond wire is connected between the second bond pad and the conductive distributor.
7. The integrated circuit package of claim 1 , further comprising a third bond wire connected between a second peripheral bond pad of the plurality of peripheral bond pads and the conductive distributor.
8. The integrated circuit package of claim 1 , further comprising:
a third bond wire;
wherein:
the conductive distributor has a second opening;
the semiconductor die further comprises a second bond pad in the second opening; and
the third bond wire is connected between the conductive distributor and the second bond pad.
9. The integrated circuit package of claim 1 wherein:
the conductive distributor is an interleaved distributor and includes a first conductive structure of the first power supply voltage domain and a second conductive structure of a second power supply voltage domain of the semiconductor die;
the first bond wire and the second bond wire are connected to the first conductive structure;
the integrated circuit package includes a third bond wire and a fourth bond wire;
the interleaved distributor has a second opening;
the semiconductor die further comprises a second bond pad in the second opening in the interleaved distributor;
the third bond wire is connected between the second conductive structure of the second power supply voltage domain and the second bond pad; and
the fourth bond wire is connected between the second conductive structure of the second power supply voltage domain and a second peripheral bond pad of the plurality of peripheral bond pads.
10. The integrated circuit package of claim 1 wherein:
the package support includes a plurality of wire bonding surfaces;
no bond wire of the integrated circuit package is connected to both a wire bonding surface of the package support and the conductive distributor.
11. The integrated circuit package of claim 1 further comprising:
a third bond wire, the third bond wire connected to the first peripheral bond pad and a wire bonding surface of the package support.
12. The integrated circuit package of claim 1 wherein the conductive distributor includes an outer portion, a center portion, and a plurality of arms connecting the outer portion to the center portion, wherein the first opening is defined by the outer portion, the center portion and two arms of the plurality of arms.
13. The integrated circuit package of claim 1 wherein the conductive distributor includes a center portion having a continuous surface area, the continuous surface area is large enough to contain a geometric circle having a diameter in the range of 1 to 1.5 millimeters.
14. An integrated circuit package, comprising:
a package support;
a semiconductor die attached to the package support, wherein the semiconductor die has a plurality of peripheral bond pads along a periphery of the semiconductor die and a first bond pad on an interior portion of the semiconductor die, wherein the first bond pad is a bond pad for a first power supply voltage domain of the semiconductor die;
a first conductive distributor over a first portion of the semiconductor die and contained within a perimeter of the semiconductor die,
a first bond wire connected to the first bond pad and the first conductive distributor; and
a second bond wire connected to a first peripheral bond pad of the plurality of peripheral bond pads and the first conductive distributor;
a third bond wire, the third bond wire connected to the first peripheral bond pad;
a wire bonding surface of the package support, wherein the third bond wire is connected to the wire bonding surface.
15. An integrated circuit package, comprising:
a package support;
a semiconductor die attached to the package support, wherein the semiconductor die has a plurality of peripheral bond pads along a periphery of the semiconductor die and a first bond pad on an interior portion of the semiconductor die, wherein the first bond pad is a bond pad for a first power supply voltage domain of the semiconductor die, wherein the semiconductor die has a second bond pad in the interior portion and wherein the second bond pad is a bond pad for a second power supply voltage domain of the semiconductor die;
a first conductive distributor over a first portion of the semiconductor die and contained within a perimeter of the semiconductor die,
a first bond wire connected to the first bond pad and the first conductive distributor;
a second bond wire connected to a first peripheral bond pad of the plurality of peripheral bond pads and the first conductive distributor;
a second conductive distributor over a second portion of the semiconductor die and contained within a perimeter of the semiconductor die;
a third bond wire connected between the second bond pad and the second conductive distributor; and
a fourth bond wire connected between a second peripheral bond pad of the plurality of peripheral bond pads and the second conductive distributor.
16. An integrated circuit package, comprising:
a package support;
a semiconductor die attached to the package support, wherein the semiconductor die has a plurality of peripheral bond pads along a periphery of the semiconductor die and a first bond pad on an interior portion of the semiconductor die, wherein the first bond pad is a bond pad for a first power supply voltage domain of the semiconductor die wherein the semiconductor die has a second bond pad in the interior portion and wherein the second bond pad is a bond pad for a second power supply voltage domain of the semiconductor die;
a first conductive distributor over a first portion of the semiconductor die and contained within a perimeter of the semiconductor die,
a first bond wire connected to the first bond pad and the first conductive distributor; and
a second bond wire connected to a first peripheral bond pad of the plurality of peripheral bond pads and the first conductive distributor;
a second conductive distributor over the first conductive distributor, insulated from the first conductive distributor, and setback from the first conductive distributor,
a third bond wire connected between the second bond pad and the second conductive distributor; and
a fourth bond wire connected between a second peripheral bond pad of the plurality of peripheral bond pads and the second conductive distributor.
17. The integrated circuit package of claim 14 wherein:
the package support includes a plurality of wire bonding surfaces, the plurality of wire bonding surfaces includes the wire bonding surface;
no bond wire of the integrated circuit package is connected to both a wire bonding surface of the package support and the first conductive distributor.