IP Library Granted Patent US 8,972,633
Granted Patent B2
US 8,972,633 · App. 13/747,455 · Granted Mar 3, 2015

Apparatus with a memory controller configured to control access to randomly accessible non-volatile memory

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 8,972,633
App. No.
13/747,455
Granted
Mar 3, 2015
Kind
B2
Abstract

An apparatus includes a printed circuit board with a plurality of printed circuit board traces, a memory controller mounted on the printed circuit board coupled to one or more of the plurality of printed circuit board traces, a plurality of non-volatile type of memory integrated circuits coupled to the printed circuit board, and a plurality of support integrated circuits coupled between the memory controller and the plurality of non-volatile type of memory integrated circuits.

Claims (37)

1. An apparatus comprising:

a printed circuit board (PCB) having a plurality of printed circuit board traces;

a memory controller mounted on the printed circuit board coupled to one or more of the plurality of printed circuit board traces;

a plurality of randomly accessible non-volatile memory integrated circuits coupled to the printed circuit board, wherein the memory controller to control in parallel at least two of the plurality of randomly accessible non-volatile memory integrated circuits; and

a plurality of support integrated circuits coupled between the memory controller and the plurality of randomly accessible non-volatile memory integrated circuits, wherein each of the plurality of support integrated circuits to buffer addresses and data, and multiplex and de-multiplex data to and from the plurality of randomly accessible non-volatile memory integrated circuits.

2. The apparatus of claim 1 , wherein

the plurality of support integrated circuits each include

a many-to-one bus multiplexer to write data onto a data bus on the printed circuit board, and

a one-to-many bus demultiplexer to read data from the data bus into one or more of the randomly accessible non-volatile memory integrated circuits.

3. The apparatus of claim 1 , wherein

the plurality of randomly accessible non-volatile memory integrated circuits are mounted to the printed circuit board and coupled to one or more of the printed circuit board traces, and

the plurality of support integrated circuits are mounted to the printed circuit board and coupled to one or more of the printed circuit board traces.

4. The apparatus of claim 1 , wherein

the plurality of randomly accessible non-volatile memory integrated circuits and the plurality of support integrated circuits are mounted to a plurality of non-volatile memory modules, and

the printed circuit board further includes a plurality of sockets into which the plurality of non-volatile memory modules are plugged.

5. The apparatus of claim 1 , wherein

the printed circuit board further has an edge connector to plug into an expansion socket on a mother-board, and

the memory controller is further coupled to the edge connector.

6. The apparatus of claim 1 wherein

the plurality of randomly accessible non-volatile memory integrated circuits are NOR flash electrically erasable programmable read only memory (EEPROM) integrated circuits.

7. An apparatus comprising:

a printed circuit board (PCB) having a plurality of printed circuit board traces;

a memory controller mounted on the printed circuit board coupled to one or more of the plurality of printed circuit board traces;

a plurality of randomly accessible non-volatile memory integrated circuits coupled to the printed circuit board, wherein the memory controller to control in parallel at least two of the plurality of randomly accessible non-volatile memory integrated circuits; and

a plurality of support integrated circuits coupled between the memory controller and the plurality of randomly accessible non-volatile memory integrated circuits, wherein the plurality of support integrated circuits to buffer addresses and data, and multiplex and de-multiplex data to and from the plurality of randomly accessible non-volatile memory integrated circuits, wherein each of the plurality of support integrated circuits includes

a cross bar switch coupled between the memory integrated circuits and a data bus coupled to the memory controller, the switch to write data onto the data bus from the memory integrated circuits, the switch to further read data from the data bus and couple the data into one or more of the memory integrated circuits.

8. The apparatus of claim 7 , wherein

the plurality of randomly accessible non-volatile memory integrated circuits are mounted to the printed circuit board and coupled to one or more of the printed circuit board traces, and

the plurality of support integrated circuits are mounted to the printed circuit board and coupled to one or more of the printed circuit board traces.

9. The apparatus of claim 7 , wherein

the plurality of randomly accessible non-volatile memory integrated circuits and the plurality of support integrated circuits are mounted to a plurality of non-volatile memory modules, and

the printed circuit board further includes a plurality of sockets into which the plurality of non-volatile memory modules are plugged.

10. The apparatus of claim 7 , wherein

the printed circuit board further has an edge connector to plug into an expansion socket on a mother-board, and

the memory controller is further coupled to the edge connector.

11. The apparatus of claim 7 , wherein

the plurality of randomly accessible non-volatile memory integrated circuits are NOR flash electrically erasable programmable read only memory (EEPROM) integrated circuits.

Assignments (5)
RELEASE OF SECURITY INTEREST AT REEL 053926 FRAME 0446 Recorded Feb 8, 2022
From: JPMORGAN CHASE BANK, N.A.
To: WESTERN DIGITAL TECHNOLOGIES, INC.
Reel/Frame 058966/0321 →
SECURITY INTEREST Recorded Sep 29, 2020
From: WESTERN DIGITAL TECHNOLOGIES, INC.
To: JPMORGAN CHASE BANK, N.A., AS AGENT
Reel/Frame 053926/0446 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 9, 2020
From: VIRIDENT SYSTEMS, LLC
To: WESTERN DIGITAL TECHNOLOGIES, INC.
Reel/Frame 053180/0472 →
CHANGE OF NAME Recorded Jan 30, 2019
From: VIRIDENT SYSTEMS, INC
To: VIRIDENT SYSTEMS, LLC
Reel/Frame 048196/0580 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 7, 2013
From: KARAMCHETI, VIJAY; GANAPATHY, KUMAR; OKIN, KENNETH ALAN; PAREKH, RAJESH
To: VIRIDENT SYSTEMS, INC.
Reel/Frame 031188/0621 →