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Patent Searching and Data


Title:
TESTING DEVICE AND TESTING METHOD
Document Type and Number:
WIPO Patent Application WO/2011/132352
Kind Code:
A1
Abstract:
Disclosed is a testing device wherein testing of a memory under test is conducted with an internal memory that has a smaller capacity than that of the memory under test. The testing device tests a memory under test, and has an internal memory that records test information, at least one of either the test result or test data corresponding to a memory region of a part of the memory under test. The device is provided with a test integrated circuit device for testing the memory under test, an external memory for recording test information corresponding to the entire memory region of the memory under test, and a memory controller — connected to the external memory — for forwarding test information, which corresponds to the test subject memory region, between the external memory and internal memory. Also disclosed is a testing method.

Inventors:
YUZURIHARA, Akimasa (2-9-2 Ikuta, Tama-ku, Kawasaki-sh, Kanagawa 38, 〒2140038, JP)
譲原 章政 (〒38 神奈川県川崎市多摩区生田2-9-2 日本エンジニアリング株式会社内 Kanagawa, 〒2140038, JP)
MAKITA, Daisuke (2-9-2 Ikuta, Tama-ku, Kawasaki-sh, Kanagawa 38, 〒2140038, JP)
牧田 大輔 (〒38 神奈川県川崎市多摩区生田2-9-2 日本エンジニアリング株式会社内 Kanagawa, 〒2140038, JP)
KANAZAWA, Tsuneaki (2-9-2 Ikuta, Tama-ku, Kawasaki-sh, Kanagawa 38, 〒2140038, JP)
金澤 経明 (〒38 神奈川県川崎市多摩区生田2-9-2 日本エンジニアリング株式会社内 Kanagawa, 〒2140038, JP)
NAKAI, Hidekazu (2-9-2 Ikuta, Tama-ku, Kawasaki-sh, Kanagawa 38, 〒2140038, JP)
Application Number:
JP2011/000852
Publication Date:
October 27, 2011
Filing Date:
February 16, 2011
Export Citation:
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Assignee:
ADVANTEST CORPORATION (1-32-1, Asahi-cho Nerima-k, Tokyo 71, 〒1790071, JP)
株式会社アドバンテスト (〒71 東京都練馬区旭町1丁目32番1号 Tokyo, 〒1790071, JP)
YUZURIHARA, Akimasa (2-9-2 Ikuta, Tama-ku, Kawasaki-sh, Kanagawa 38, 〒2140038, JP)
譲原 章政 (〒38 神奈川県川崎市多摩区生田2-9-2 日本エンジニアリング株式会社内 Kanagawa, 〒2140038, JP)
MAKITA, Daisuke (2-9-2 Ikuta, Tama-ku, Kawasaki-sh, Kanagawa 38, 〒2140038, JP)
牧田 大輔 (〒38 神奈川県川崎市多摩区生田2-9-2 日本エンジニアリング株式会社内 Kanagawa, 〒2140038, JP)
KANAZAWA, Tsuneaki (2-9-2 Ikuta, Tama-ku, Kawasaki-sh, Kanagawa 38, 〒2140038, JP)
金澤 経明 (〒38 神奈川県川崎市多摩区生田2-9-2 日本エンジニアリング株式会社内 Kanagawa, 〒2140038, JP)
International Classes:
G11C29/56; G01R31/28
Attorney, Agent or Firm:
RYUKA IP Law Firm (22F Shinjuku L Tower, 6-1 Nishi-Shinjuku 1-chome, Shinjuku-k, Tokyo 22, 〒1631522, JP)
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Claims: