High speed semiconductor memory device with short word line switching time
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Apr 2, 2002
Grant Date -
N/A
app pub date -
Sep 1, 2000
filing date -
Sep 30, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Setting means (such as fuse circuits) for adjusting the timings of various signals such as an activation timing of a sense amplifier, a fall timing of a word line, a recovery operation (equalization) of a bit lines and so forth, checking an operation in a test stage of a chip, and permanently programming (fixing) the timing of an internal signal to the condition of the highest operation speed that can be confirmed as acquirable in this check stage, is provided.
First Claim
Other Claims data not available
Family
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| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| JP | A | JP2001101868 | Sep 30, 1999 |
| TW | B | TWI235377 | Sep 04, 2000 |
| KR | A | KR20010070098 | Sep 23, 2000 |
| US | B2 | US6538933 | Jan 03, 2002 |
International Classification(s)
- 2000 Application Filing Year
- G11C Class
- 2416 Applications Filed
- 1639 Patents Issued To-Date
- 67.84 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 9 Citation Count
- G11C Class
- 2.28 % this patent is cited more than
- 23 Age