Apparatus and method for reducing test resources in testing...

Error detection/correction and fault detection/recovery – Pulse or data error handling – Memory testing

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C714S819000, C365S201000

Reexamination Certificate

active

10853573

ABSTRACT:
An apparatus and a method are disclosed for reducing the pin driver count required for testing computer memory devices, specifically Rambus DRAM, while a die is on a semiconductor wafer. By reducing the pin count, more DRAMs can be tested at the same time, thereby reducing test cost and time. One preferred embodiment utilizes a trailing edge of a precharge clock to select a new active bank address, so that the address line required to select a new active address does not have to be accessed at the same time as the row lines.

REFERENCES:
patent: 5126973 (1992-06-01), Gallia et al.
patent: 5404327 (1995-04-01), Houston
patent: 5511029 (1996-04-01), Sawada et al.
patent: 5844849 (1998-12-01), Furutani
patent: 5959929 (1999-09-01), Cowles et al.
patent: 5978300 (1999-11-01), Toda
patent: 6101139 (2000-08-01), Dean
patent: 6144598 (2000-11-01), Cooper et al.
patent: 6285962 (2001-09-01), Hunter
patent: 6314036 (2001-11-01), Cooper et al.
patent: 6339817 (2002-01-01), Maesako et al.
patent: 6377501 (2002-04-01), Maesako et al.
patent: 6530045 (2003-03-01), Cooper et al.
Rambus® Component Catalog, Copyright Mar. 1999 Rambus Inc, DL-0070-00, (26 pages).
Rambus® Technology Overview, Copyright Feb. 1999 Ramubs Inc, DL-0040-00, (27 pages).
Rambus® Preliminary Information, Direct RDRAM 128/144-Mbit (256K×16/18×32s), Document DL0059, Version 0.9 (62 pages).

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Apparatus and method for reducing test resources in testing... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus and method for reducing test resources in testing..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus and method for reducing test resources in testing... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3739137

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.