High-density and high-speed 128Mb chain FeRAM™ with SDRAM-compatible DDR2 interface

Yoshiro Shimojo, Atsushi Konno, Jun Nishimura, Takayuki Okada, Yuki Yamada, Soichiro Kitazaki, Hironobu Furuhashi, Soichi Yamazaki, Katsunori Yahashi, Kazuhiro Tomioka, Yoshihiro Minami, Hiroyuki Kanaya, Susumu Shuto, Koji Yamakawa, Tohru Ozaki, Hidehiro Shiga, Tadashi Miyakawa, Shinichiro Shiratake, Daisaburo Takashima, Iwao KunishimaTakeshi Hamamoto, Akihiro Nitayama

研究成果: Conference contribution

24 被引用数 (Scopus)

抄録

Novel cell technologies are successfully developed for the world's highest-density and highest-speed 128Mb chain FeRAMTM with SDRAM-compatible 1.6GByte/s DDR2 interface. To overcome the signal window reduction due to the capacitor shrinkage, new cell technologies such as half-pitch layout with triangular capacitors, advanced nestled chain structure, high-density cover film and low-damage etching technique are established. New architecture with small bit line capacitance of 60fF is also installed [1]. With these new technologies, the cell signal window reaches 380 mV, which is sufficient for stable 128Mb 1T1C operation.

本文言語English
ホスト出版物のタイトル2009 Symposium on VLSI Technology, VLSIT 2009
ページ218-219
ページ数2
出版ステータスPublished - 2009 11月 16
イベント2009 Symposium on VLSI Technology, VLSIT 2009 - Kyoto, Japan
継続期間: 2009 6月 162009 6月 18

出版物シリーズ

名前Digest of Technical Papers - Symposium on VLSI Technology
ISSN(印刷版)0743-1562

Other

Other2009 Symposium on VLSI Technology, VLSIT 2009
国/地域Japan
CityKyoto
Period09/6/1609/6/18

ASJC Scopus subject areas

  • 電子工学および電気工学

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