Variable-width command/address bus
AssigneeIntel Corporation
InventorKuljit S. Bains
Life of this patent
Estimating the term…
Abstract
Embodiments of the invention relate to a variable-width command/address bus (CA bus). In one embodiment, a memory controller includes first logic to determine whether a memory device is in a first mode or a second mode. The memory controller includes second logic to transmit a command to the memory device with a command/address bus having a first width over a first number of clock edges when the memory device is in the first mode, and with the command/address bus having a second width over a second number of clock edges when the memory device is in the second mode.
Claims20
A memory controller comprising:
- first logic to determine whether a memory device is in a first mode or a second mode;
- and
- second logic to transmit a command to the memory device with a command/address bus having a first width over a first number of clock edges when the memory device is in the first mode, and with the command/address bus having a second width over a second number of clock edges when the memory device is in the second mode.
A memory device comprising:
- logic to receive a command with a command/address bus having a first width over a first number of clock edges when the memory device is in the first mode, and with the command/address bus having a second width over a second number of clock edges when the memory device is in the second mode;
- and
- second logic to determine whether the memory device is in the first mode or the second mode.
A system comprising:
- a processor;
- a memory device;
- a memory controller comprising:
- first logic to determine whether the memory device is in a first mode or a second mode;
- and
- second logic to transmit a command to the memory device with a command/address bus having a first width over a first number of clock edges when the memory device is in the first mode, and with the command/address bus having a second width over a second number of clock edges when the memory device is in the second mode;
- and
- a display.
Dependencies are inferred from the claim text.