Presentation 1993/11/26
High-Speed,small-amplitude interface circuits for memory bus application
Masao Taguchi, Satoshi Eto, Yoshihiro Takemae, Seiichi Saitoh, Noriyuki Matsui, Shigeru Takamura, Tatsuo Koizumi,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) High performance I, O circuits for fast memory devices such as Synchronous DRAM were investigated.For TTL interface,the capacitive loading must increase as the I/O speeds are increased, and signal termination is necessary for signal transmission speeds of over 100MHz.For this reason,industry proposed alternative interface approaches such as GTL and CTT were investigated using experimental test devices.GTL standard was found to have a problem that,as the frequency increases,there is degradation of output high voltage.The problem was traced backed to signal reflection occuring in the region of impedance mismatch.Terminated LVTTL(T- LVTTL)circuit is proposed as an approach more suitable for high speed data transfer.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Interface / I/O Scircuit / Synchronous DRAM
Paper # SDM93-149,ICD93-143
Date of Issue

Conference Information
Committee SDM
Conference Date 1993/11/26(1days)
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Paper Information
Registration To Silicon Device and Materials (SDM)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) High-Speed,small-amplitude interface circuits for memory bus application
Sub Title (in English)
Keyword(1) Interface
Keyword(2) I/O Scircuit
Keyword(3) Synchronous DRAM
1st Author's Name Masao Taguchi
1st Author's Affiliation Memory LSI Design Division,Fujitsu()
2nd Author's Name Satoshi Eto
2nd Author's Affiliation Memory LSI Design Division,Fujitsu
3rd Author's Name Yoshihiro Takemae
3rd Author's Affiliation Memory LSI Design Division,Fujitsu
4th Author's Name Seiichi Saitoh
4th Author's Affiliation Common Technology Division,Fujitsu
5th Author's Name Noriyuki Matsui
5th Author's Affiliation Common Technology Division,Fujitsu
6th Author's Name Shigeru Takamura
6th Author's Affiliation Common Technology Division,Fujitsu
7th Author's Name Tatsuo Koizumi
7th Author's Affiliation Common Technology Division,Fujitsu
Date 1993/11/26
Paper # SDM93-149,ICD93-143
Volume (vol) vol.93
Number (no) 349
Page pp.pp.-
#Pages 8
Date of Issue