Memory modules having daisy chain wiring configurations and...

Details Memory modules having daisy chain wiring configurations and... Memory modules having daisy chain wiring configurations and...

2009-02-27

2011-10-25

Le, Thong Q (Department: 2827)

Static information storage and retrieval

Interconnection arrangements

C365S191000, C365S138000, C365S233110

Reexamination Certificate

active

08045356

ABSTRACT:
Examples described include memory units coupled to a controller using a daisy chain wiring configuration. A filter located between a first memory unit and the controller attenuates a particular frequency, which may improve ringback in a signal received at the memory units. In some examples, a quarter-wavelength stub is used to implement the filter. In some examples, signal components at 800 MHz may be attenuated by a stub, which may improve ringback.

REFERENCES:
patent: 6125419 (2000-09-01), Umemura et al.
patent: 6515555 (2003-02-01), Leddige et al.
patent: 6531901 (2003-03-01), Kamiya
patent: 7095661 (2006-08-01), Osaka et al.
patent: 7106094 (2006-09-01), Gamble et al.
patent: 7155627 (2006-12-01), Matsui
patent: 2007/0157049 (2007-07-01), Kim et al.
patent: 2009/0063786 (2009-03-01), Oh

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