Invention Grant
- Patent Title: On-die termination of address and command signals
- Patent Title (中): 地址和命令信号的片上终止
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Application No.: US14613270Application Date: 2015-02-03
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Publication No.: US09299407B2Publication Date: 2016-03-29
- Inventor: Ian Shaeffer , Kyung Suk Oh
- Applicant: Rambus Inc.
- Applicant Address: US CA Sunnyvale
- Assignee: RAMBUS INC.
- Current Assignee: RAMBUS INC.
- Current Assignee Address: US CA Sunnyvale
- Agency: Morgan, Lewis & Bockius LLP
- Main IPC: G11C5/06
- IPC: G11C5/06 ; G11C7/22 ; G11C29/02 ; G11C11/4063 ; G11C5/04 ; G11C11/4097 ; G11C7/18 ; G11C5/02

Abstract:
A system has a plurality of memory devices arranged in a fly-by topology, each having on-die termination (ODT) circuitry for connecting to an address and control (RQ) bus. The ODT circuitry of each memory device includes a set of one or more control registers for controlling on-die termination of one or more signal lines of the RQ bus. A first memory device includes a first set of one or more control registers storing a first ODT value, for controlling termination of one or more signal lines of the RQ bus by the ODT circuitry of the first memory device, and a second memory device includes a second set of one or more control registers storing a second ODT value different from the first ODT value, for controlling termination of one or more signal lines of the RQ bus by the ODT circuitry of the second memory device.
Public/Granted literature
- US20150170724A1 On-Die Termination of Address and Command Signals Public/Granted day:2015-06-18
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