Serial presence detect functionality on memory component
First Claim
Patent Images
1. A memory module, comprising:
- a printed circuit board;
a connector coupled to or integrated with the printed circuit board; and
a plurality of memory devices mounted on the printed circuit board, wherein at least one of the memory devices includes non-volatile storage elements for storing serial presence detect data indicating one or more parameters relating to operation of the memory module and serial interface control pins electrically coupled to the connector for providing access to the serial presence detect data stored in the non-volatile storage elements.
6 Assignments
0 Petitions
Accused Products
Abstract
Methods and apparatus for accessing serial presence detect data are provided. For some embodiments, serial presence detect logic is incorporated in memory devices, eliminating the need for a separate serial presence detect component.
-
Citations
23 Claims
-
1. A memory module, comprising:
-
a printed circuit board;
a connector coupled to or integrated with the printed circuit board; and
a plurality of memory devices mounted on the printed circuit board, wherein at least one of the memory devices includes non-volatile storage elements for storing serial presence detect data indicating one or more parameters relating to operation of the memory module and serial interface control pins electrically coupled to the connector for providing access to the serial presence detect data stored in the non-volatile storage elements. - View Dependent Claims (2, 3, 4, 5, 6)
-
-
7. A memory device, comprising:
-
one or more memory arrays;
control circuitry for exchanging data in parallel between a set of data pins and the memory arrays;
non-volatile storage elements for storing serial presence detect data; and
serial interface logic for providing serial access to serial presence detect data stored in the non-volatile storage elements via a set of control pins. - View Dependent Claims (8, 9, 10, 11)
-
-
12. A dynamic random access memory (DRAM) device, comprising:
-
one or more memory arrays;
control circuitry for exchanging data in parallel between a set of data pins and the memory arrays;
electrically programmable fuses for storing serial presence detect data; and
serial interface logic for providing serial access to serial presence detect data stored in the electrically programmable fuses via a set of control pins. - View Dependent Claims (13, 14, 15)
-
-
16. A memory device, comprising:
-
one or more memory arrays;
means for exchanging data in parallel between a set of data pins and the memory arrays;
means for storing serial presence detect data; and
means for providing serial access to serial presence detect data stored in the means for storing via a set of control pins. - View Dependent Claims (17, 18)
-
-
19. A method for providing access to serial presence detect data of a memory module, comprising:
-
mounting a plurality of memory devices on a printed circuit board of the memory module, wherein at least one of the memory devices includes non-volatile storage elements for storing serial presence detect data indicating one or more parameters relating to operation of the memory module; and
electrically coupling serial interface control pins of at least one memory device to a connector of the memory module to provide access to serial presence detect data stored in the non-volatile storage elements thereof. - View Dependent Claims (20, 21, 22, 23)
-
Specification