IP Library Granted Patent US 11,031,378
Granted Patent B2
US 11,031,378 · App. 16/818,290 · Granted Jun 8, 2021

Semiconductor device including high speed heterogeneous integrated controller and cache

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Quick Facts
Patent No.
US 11,031,378
App. No.
16/818,290
Granted
Jun 8, 2021
Kind
B2
Abstract

A semiconductor device is disclosed including a controller die and a memory module. The controller die may be a heterogeneous integrated controller die having ASIC logic circuits, memory array logic circuits and a cache structure. In examples, the memory module may have continuously formed through silicon vias in a face-up or face-down configuration.

Claims (37)

1. A semiconductor device configured to operate with a host device, comprising:

a first semiconductor die comprising:

an ASIC logic circuit configured to interface with the host device,

a memory array logic circuit configured to interface with a memory array, and

a cache structure configured to provide storage within the first semiconductor die; and

a group of one or more second semiconductor dies coupled to the first semiconductor die, the group of one or more second semiconductor dies comprising the memory array configured to interface with the memory array logic circuit of the first semiconductor die.

2. The semiconductor device of claim 1 , wherein the ASIC logic circuit, the cache structure and the memory array logic circuit are provided in successive dielectric layers of the first semiconductor die.

3. The semiconductor device of claim 1 , wherein the cache structure provides temporary input/output storage for the ASIC logic circuit.

4. The semiconductor device of claim 1 , wherein the cache structure provides temporary input/output storage for the memory array logic circuit.

5. The semiconductor device of claim 1 , wherein the group of one or more second dies comprise a memory module having a plurality of semiconductor dies electrically coupled to each other by through silicon vias.

6. The semiconductor device of claim 5 , wherein the through silicon vias are continuously formed.

7. The semiconductor device of claim 6 , wherein each of the plurality of semiconductor dies of the memory module comprise bond pads facing a first surface of the memory module, the memory module comprising a face-up memory module having contact pads on a second surface of the memory module opposite the first surface.

8. The semiconductor device of claim 6 , wherein each of the plurality of semiconductor dies of the memory module comprise bond pads facing a first surface of the memory module, the memory module comprising a face-down memory module having contact pads on the first surface of the memory module.

9. The semiconductor device of claim 1 , wherein the first semiconductor die comprises a set of bond pads on a first surface configured to mate with contacts of the host device, and a set of conductive bumps on a second surface configured to mate with contacts of a memory array die of the group of one or more memory array dies.

10. The semiconductor device of claim 1 , wherein the group of one or more second semiconductor dies comprise a three-dimensional stacked memory structure having strings of memory cells formed into layers.

11. A semiconductor device configured to operate with a host device, comprising:

a first semiconductor die comprising:

an ASIC logic circuit configured to interface with the host device,

a memory array logic circuit configured to interface with a memory array, and

a cache structure configured to provide storage within the first semiconductor die;

a memory module coupled to the first semiconductor die, the memory module comprising a plurality of second semiconductor dies having the memory array; and

a plurality of through silicon vias continuously formed through the memory module and comprising an electrical conductor electrically coupling the plurality of second semiconductor dies to each other.

12. The semiconductor device of claim 11 , wherein the plurality of second semiconductor dies in the memory module are stacked on each other in a column.

13. The semiconductor device of claim 11 , wherein each of the plurality of semiconductor dies of the memory module comprise bond pads facing a first surface of the memory module, the memory module comprising a face-up memory module having contact pads on a second surface of the memory module opposite the first surface.

14. The semiconductor device of claim 11 , wherein each of the plurality of semiconductor dies of the memory module comprise bond pads facing a first surface of the memory module, the memory module comprising a face-down memory module having contact pads on the first surface of the memory module.

15. The semiconductor device of claim 11 , wherein the ASIC logic circuit, the cache structure and the memory array logic circuit are provided in successive layers of the first semiconductor die.

16. The semiconductor device of claim 11 , wherein the cache structure provides temporary input/output storage for the ASIC logic circuit.

17. The semiconductor device of claim 11 , wherein the cache structure provides temporary input/output storage for the memory array logic circuit.

18. A semiconductor device configured to operate with a host device, comprising:

a first semiconductor die comprising:

ASIC logic circuit means for interfacing with the host device,

memory array logic circuit means for interfacing with a memory array, and

cache means for providing storage within the first semiconductor die;

a memory module coupled to the first semiconductor die, the memory module comprising a plurality of second semiconductor dies having the memory array; and

electrical connector means continuously, formed through the memory module and comprising an electrical conductor, for electrically coupling the plurality of second semiconductor dies to each other.

19. The semiconductor device of claim 18 , wherein each of the plurality of semiconductor dies of the memory module comprise bond pads facing a first surface of the memory module, the memory module comprising a face-up memory module having contact pads on a second surface of the memory module opposite the first surface.

20. The semiconductor device of claim 18 , wherein each of the plurality of semiconductor dies of the memory module comprise bond pads facing a first surface of the memory module, the memory module comprising a face-down memory module having contact pads on the first surface of the memory module.

Assignments (10)
PARTIAL RELEASE OF SECURITY INTERESTS Recorded Apr 25, 2025
From: JPMORGAN CHASE BANK, N.A., AS AGENT
To: SANDISK TECHNOLOGIES, INC.
Reel/Frame 071382/0001 →
SECURITY AGREEMENT Recorded Apr 25, 2025
From: SANDISK TECHNOLOGIES, INC.
To: JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT
Reel/Frame 071050/0001 →
PATENT COLLATERAL AGREEMENT Recorded Aug 23, 2024
From: SANDISK TECHNOLOGIES, INC.
To: JPMORGAN CHASE BANK, N.A., AS THE AGENT
Reel/Frame 068762/0494 →
CHANGE OF NAME Recorded Jun 27, 2024
From: SANDISK TECHNOLOGIES, INC.
To: SANDISK TECHNOLOGIES, INC.
Reel/Frame 067982/0032 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 29, 2024
From: WESTERN DIGITAL TECHNOLOGIES, INC.
To: SANDISK TECHNOLOGIES, INC.
Reel/Frame 067567/0682 →
PATENT COLLATERAL AGREEMENT - DDTL LOAN AGREEMENT Recorded Aug 21, 2023
From: WESTERN DIGITAL TECHNOLOGIES, INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 067045/0156 →
PATENT COLLATERAL AGREEMENT - A&R LOAN AGREEMENT Recorded Aug 21, 2023
From: WESTERN DIGITAL TECHNOLOGIES, INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 064715/0001 →
RELEASE OF SECURITY INTEREST AT REEL 053482 FRAME 0453 Recorded Feb 8, 2022
From: JPMORGAN CHASE BANK, N.A.
To: WESTERN DIGITAL TECHNOLOGIES, INC.
Reel/Frame 058966/0279 →
SECURITY INTEREST Recorded May 14, 2020
From: WESTERN DIGITAL TECHNOLOGIES, INC.
To: JPMORGAN CHASE BANK, N.A., AS AGENT
Reel/Frame 053482/0453 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 13, 2020
From: ZHANG, YAZHOU; CHIU, CHIN-TIEN; ZHOU, ZENGYU
To: WESTERN DIGITAL TECHNOLOGIES, INC.
Reel/Frame 052109/0385 →