IP Library Granted Patent US 10,854,548
Granted Patent B2
US 10,854,548 · App. 16/236,136 · Granted Dec 1, 2020

Inter-die passive interconnects approaching monolithic performance

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 10,854,548
App. No.
16/236,136
Granted
Dec 1, 2020
Kind
B2
Abstract

Inter-die passive interconnects are lengthened while locating I/O circuitry away from die edge, such that passive interconnect length is agglomerated toward the die edge, and inter-die communication is expedited.

Claims (114)

1. A multi-chip package comprising:

a first semiconductive device including a first-die, first input-output circuitry;

a first-die, first on-die routing in contact with the first-die, first input-output circuitry and in contact with a first-die, first electrical contact;

a bridge die in contact with the first-die, first electrical contact;

a bridge-die, first passive routing in contact with the first-die, first electrical contact;

a second semiconductive device in contact with a second-die, first electrical contact that is on the bridge die and in contact with the bridge-die, first passive routing;

a first-die, second on-die routing that contacts a first-die, second electrical contact;

a bridge-die, second passive routing on the bridge die that is in contact with the first-die, second electrical contact;

wherein the bridge-die, second passive routing is coupled to the second die at a second-die contact; and

wherein the bridge-die, second passive routing is in a metallization strata vertically adjacent the bridge-die, first passive routing.

2. The multi-chip package of claim 1 , further including:

a first-die, second input-output circuitry on the first die;

a first-die, second on-die routing in contact with the first-die, second input-output circuitry and in contact with a first-die, second electrical contact;

a bridge-die, second passive routing on the bridge die that is in contact with the first-die, second electrical contact; and

wherein the bridge-die, second passive routing is coupled to the second die at a second-die, second electrical contact.

3. The multi-chip package of claim 1 , further including:

a first-die, second input-output circuitry on the first die;

a first-die, second on-die routing in contact with the first-die, second input-output circuitry and in contact with a first-die, second electrical contact;

a bridge-die, second passive routing on the bridge die that is in contact with the first-die, second electrical contact;

wherein the bridge-die, second passive routing is coupled to the second die at a second-die, second electrical contact; and

a second-die, second on-die routing coupled in a composite passive channel to a second-die, second passive routing.

4. The multi-chip package of claim 1 , further including:

a first-die, second input-output circuitry on the first die;

a first-die, second on-die routing in contact with the first-die, second input-output circuitry and in contact with a first-die, second electrical contact;

a bridge-die, second passive routing on the bridge die that is in contact with the first-die, second electrical contact;

wherein the bridge-die, second passive routing is coupled to the second die at a second-die, second electrical contact;

a second-die, second on-die routing coupled in a composite passive channel to a second-die, second passive routing; and

wherein the second-die, second on-die routing contacts a second-die second input-output circuitry.

5. The multi-chip package of claim 1 , wherein the first die includes a first core-logic region and a second core-logic region, further including:

a first-die, second on-die routing in contact with a first-die, second input-output circuitry that is part of the second core-logic region;

a first-die, second on-die routing in contact with the first-die, second input-output circuitry and in contact with a first-die, second electrical contact, wherein the bridge die is in contact with the first-die, second electrical contact;

a bridge-die, second passive routing in contact with the first-die, second electrical contact;

a second-die, second electrical contact that is on the bridge die and in contact with the bridge-die, second passive routing;

a second-die, second on-die routing in contact with the second-die, second electrical contact; and

a second-die, second input-output circuitry in contact with the second-die, second on-die routing.

6. The multi-chip package of claim 1 , wherein the second die includes a first core-logic region and a second core-logic region, further including:

a first-die, second on-die routing in contact with a first-die, second input-output circuitry;

a first-die, second on-die routing in contact with the first-die, second input-output circuitry and in contact with a first-die, second electrical contact, wherein the bridge die is in contact with the first-die, second electrical contact;

a bridge-die, second passive routing in contact with the first-die, second electrical contact;

a second-die, second electrical contact that is on the bridge die and in contact with the bridge-die, second passive routing;

a second-die, second on-die routing in contact with the second-die, second electrical contact; and

a second-die, second input-output circuitry in contact with the second-die, second on-die routing, and wherein the second-die, second input-output circuitry is part of the second core-logic region.

7. The multi-chip package of claim 1 , further including:

a third die coupled to the bridge die by a passive signal channel, wherein the third die contacts a first-die third contact on the first die.

8. The multi-chip package of claim 1 , further including:

a first-die, second on-die routing that contacts a first-die, second electrical contact;

a bridge-die, second passive routing on the bridge die that is in contact with the first-die, second electrical contact; and

wherein the bridge-die, second passive routing is coupled to the second die at a bridge-die contact.

9. The multi-chip package of claim 1 , further including:

a first-die, second on-die routing that contacts a first-die, second electrical contact;

a bridge-die, second passive routing on the bridge die that is in contact with the first-die, second electrical contact;

wherein the bridge-die, second passive routing is coupled to the second die at a second-die contact; and

wherein the bridge-die, second passive routing is in a metallization strata vertically adjacent the bridge-die, first passive routing, and wherein the metallization strata includes at least two different cross-section sizes, including a first small size and a second medium size.

10. The multi-chip package of claim 1 , further including:

a first-die, second on-die routing that contacts a first-die, second electrical contact;

a bridge-die, second passive routing on the bridge die that is in contact with the first-die, second electrical contact;

wherein the bridge-die, second passive routing is coupled to the second die at a second-die contact; and

wherein the bridge-die, second passive routing is in a metallization strata vertically adjacent the bridge-die, first passive routing, and wherein the metallization strata includes at least two different cross-section sizes, including a first small size, a second medium size, and a third giant size.

11. The multi-chip package of claim 1 , further including:

a first-die, second on-die routing that contacts a first-die, second electrical contact;

a bridge-die, second passive routing on the bridge die that is in contact with the first-die, second electrical contact;

wherein the bridge-die, second passive routing is coupled to the second die at a second-die contact;

wherein the bridge-die, second passive routing is in a metallization strata vertically adjacent the bridge-die, first passive routing; and

an adjacent first die adjacent the first die, wherein a converged mesh-stop (CMS) region in the adjacent first die is coupled to the first-die, first on-die routing.

12. The multi-chip package of claim 1 , further including:

a first-die, second on-die routing that contacts a first-die, second electrical contact;

a bridge-die, second passive routing on the bridge die that is in contact with the first-die, second electrical contact;

wherein the bridge-die, second passive routing is coupled to the second die at a second-die contact;

wherein the bridge-die, second passive routing is in a metallization strata vertically adjacent the bridge-die, first passive routing;

an adjacent first die adjacent the first die, wherein a converged mesh-stop (CMS) region in the adjacent first die is coupled to the first-die, first on-die routing; and

an adjacent second die adjacent the second die, wherein a converged mesh-stop (CMS) region in the adjacent second die is coupled to the second-die, first on-die routing.

13. The multi-chip package of claim 1 , further including:

a first-die, second on-die routing that contacts a first-die, second electrical contact;

a bridge-die, second passive routing on the bridge die that is in contact with the first-die, second electrical contact;

wherein the bridge-die, second passive routing is coupled to the second die at a second-die contact;

wherein the bridge-die, second passive routing is in a metallization strata vertically adjacent the bridge-die, first passive routing; and

an adjacent second die adjacent the second die, wherein a converged mesh-stop (CMS) region in the adjacent second die is coupled to the second-die, first on-die routing.

14. The multi-chip package of claim 1 , further including:

a first-die, second on-die routing that contacts a first-die, second electrical contact;

a bridge-die, second passive routing on the bridge die that is in contact with the first-die, second electrical contact;

wherein the bridge-die, second passive routing is coupled to the second die at a second-die contact; and

wherein the bridge-die, second passive routing is in a metallization strata and laterally adjacent the bridge-die, first passive routing.

15. The multi-chip package of claim 1 , further including:

a first-die, second on-die routing that contacts a first-die, second electrical contact;

a bridge-die, second passive routing on the bridge die that is in contact with the first-die, second electrical contact;

wherein the bridge-die, second passive routing is coupled to the second die at a second-die contact;

wherein the bridge-die, second passive routing is in a metallization strata and laterally adjacent the bridge-die, first passive routing; and

an adjacent first die adjacent the first die, wherein a converged mesh-stop (CMS) region in the adjacent first die is coupled to the first-die, first on-die routing.

16. The multi-chip package of claim 1 , further including:

a first-die, second on-die routing that contacts a first-die, second electrical contact;

a bridge-die, second passive routing on the bridge die that is in contact with the first-die, second electrical contact;

wherein the bridge-die, second passive routing is coupled to the second die at a second-die contact;

wherein the bridge-die, second passive routing is in a metallization strata and laterally adjacent the bridge-die, first passive routing; and

an adjacent second die adjacent the second die, wherein a converged mesh-stop (CMS) region in the adjacent second die is coupled to the second-die, first on-die routing.

17. The multi-chip package of claim 1 , further including:

a first-die, second on-die routing that contacts a first-die, second electrical contact;

a bridge-die, second passive routing on the bridge die that is in contact with the first-die, second electrical contact;

wherein the bridge-die, second passive routing is coupled to the second die at a second-die contact;

wherein the bridge-die, second passive routing is in a metallization strata and laterally adjacent the bridge-die, first passive routing;

an adjacent first die adjacent the first die, wherein a converged mesh-stop (CMS) region in the adjacent first die is coupled to the first-die, first on-die routing; and

an adjacent second die adjacent the second die, wherein a converged mesh-stop (CMS) region in the adjacent second die is coupled to the second-die, first on-die routing.

18. A multi-chip package comprising:

a first die with signal routing, including:

a converged mesh-stop (CMS) region adjacent a core logic region;

first on-die input-output (I/O) circuitry adjacent the CMS region and spaced apart from a modular die-fabric interconnect (MDFI);

first-die, first on-die passive routing between the first on-die I/O circuitry and a first electrical contact that contacts a bride die, wherein the first electrical contact is closest to a first edge of the bridge die;

bridge-die passive routing on the bridge die between the first electrical contact and a second electrical contact on the bridge die, wherein the second electrical contact is closest to a second edge of the bridge die; and

a second die that contacts the second electrical contact.

19. The multi-chip package of claim 18 , wherein the second die includes a second-die, first on-die passive routing between the second electrical contact and a second-die, first on-die I/O circuitry.

20. The multi-chip package of claim 18 , wherein the second die includes a second-die, first on-die passive routing between the second electrical contact and a second-die, first on-die I/O circuitry, further including:

a third die contacting the bridge die, wherein the third die is coupled to the first die by a composite passive signal channel.

21. The multi-chip package of claim 18 , wherein the second die includes a second-die, first on-die passive routing between the second electrical contact and a second-die, first on-die I/O circuitry, further including:

a first adjacent die adjacent the first die, wherein the first adjacent die includes a passive signal channel that contacts the first die; and

a second adjacent die adjacent the second die, wherein the second adjacent die includes a passive signal channel that contacts the second die.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 15, 2022
From: INTEL CORPORATION
To: TAHOE RESEARCH, LTD.
Reel/Frame 061175/0176 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 6, 2019
From: WU, ZUOGUO; DAS SHARMA, DEBENDRA; ELSHERBINI, ADEL A.; PASDAST, GERALD
To: INTEL CORPORATION
Reel/Frame 048251/0791 →