Memory module
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United States of America Patent
Stats
-
Dec 9, 2003
Grant Date -
Feb 20, 2003
app pub date -
Jul 25, 2002
filing date -
Jul 26, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A memory module is provided with a resistor serving as an impedance adjuster which is connected directly or indirectly to an output terminal of an output transistor of a C/A register. The resistor adjusts the output impedance of the C/A register viewed from an input terminal of a C/A bus in such a manner that the output impedance becomes substantially constant within an operating voltage range of an internal signal output from the C/A register. The memory module is further provided with a capacitor serving as a rise time/fall time adjuster which adjusts rise time and fall time of the internal signal to specific values such that satisfactory waveforms are obtained.
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