Timing calibration apparatus and method for a memory device signaling system
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United States of America Patent
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Jul 19, 2005
Issued Date -
N/A
app pub date -
Oct 22, 2002
filing date -
Oct 22, 2001
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Abstract
A memory system includes a memory controller and a memory component coupled to each other. An interface of the memory component is configured to receive a first signal from the memory controller with read request information, retrieve the read data information from the memory core in response to the request information, and transmit to the memory controller a second signal containing the read data information. The read data information includes read data symbols, where the average duration of the read data symbols, measured at the interface, defines a symbol time interval. A first external access time is measured at the interface between a first read request and read data transmitted by the interface in response to the first read request. A second external access time interval is measured at the interface between a second read request and read data transmitted by the interface in response to the second read request. The difference between the first external access time and the second external access time is greater than one-half of the symbol time interval.
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Patent Owner(s)
| Patent Owner | Address | |
|---|---|---|
| RAMPART ASSET MANAGEMENT LLC | 5900 BALCONES DRIVE SUITE 100 AUSTIN TX 78731 |
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Inventor(s)
| Inventor Name | Address | # of filed Patents | Total Citations |
|---|---|---|---|
| Hampel, Craig E | San Jose, CA | 278 | 7376 |
| Perego, Richard E | San Jose, CA | 154 | 4667 |
| Sidiropoulos, Stefanos S | Palo Alto, CA | 5 | 242 |
| Tsern, Ely K | Los Altos, CA | 168 | 5566 |
| Ware, Fredrick A | Los Altos Hills, CA | 16 | 480 |
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| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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