Presentation 2001/12/14
Quasi-Worst-Condition Built-In-Self-Test Scheme for a 4-Mb Loadless CMOS Four-Transistor SRAM Macro
Koichi Takeda, Yoshiharu Aimoto, Kazuyuki Nakamura, Sadaaki Masuoka, Katsuyuki Ishikawa, Kenji Noda, Toshio Takeshima, Tatsunori Murotani,
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Abstract(in English) We have developed a 4-Mb loadless CMOS four-transistor SRAM macro that has two 16-Kb redundancy blocks per 1-Mb block using a 0.18μm CMOS logic process technology. To reduce cost in our SRAM macro, we have eliminated the fuse and employ instead a Built In Self Test at the Time of the system start-up. We have developed a quasi-worst-condition BIST scheme that employs word-line voltage level adjustment.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) loadless 4-transistor SRAM / static noise margin / worst-condition / test / BIST / BISR
Paper # CPM-127,ICD-179
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Conference Date 2001/12/14(1days)
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Registration To Integrated Circuits and Devices (ICD)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Quasi-Worst-Condition Built-In-Self-Test Scheme for a 4-Mb Loadless CMOS Four-Transistor SRAM Macro
Sub Title (in English)
Keyword(1) loadless 4-transistor SRAM
Keyword(2) static noise margin
Keyword(3) worst-condition
Keyword(4) test
Keyword(5) BIST
Keyword(6) BISR
1st Author's Name Koichi Takeda
1st Author's Affiliation NEC Corporation()
2nd Author's Name Yoshiharu Aimoto
2nd Author's Affiliation NEC Corporation
3rd Author's Name Kazuyuki Nakamura
3rd Author's Affiliation NEC Corporation
4th Author's Name Sadaaki Masuoka
4th Author's Affiliation NEC Corporation
5th Author's Name Katsuyuki Ishikawa
5th Author's Affiliation NEC Corporation
6th Author's Name Kenji Noda
6th Author's Affiliation NEC Corporation
7th Author's Name Toshio Takeshima
7th Author's Affiliation NEC Corporation
8th Author's Name Tatsunori Murotani
8th Author's Affiliation NEC Corporation
Date 2001/12/14
Paper # CPM-127,ICD-179
Volume (vol) vol.101
Number (no) 519
Page pp.pp.-
#Pages 6
Date of Issue