Dynamic Terminations for Low-Power High-Speed Chip Interconnection in Portable Equipment
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概要
- 論文の詳細を見る
Two types of dynamic termination, latch-type and RC-type, are useful for low-power high-speed chip interconnection where the transmission line is terminated only if the signal is changed. The gate of the termination MOS in the latch-type is driven by a feedback inverter, and that in the RC-type is driven by a differentiating signal through the resistor and capacitor. The power dissipation is 13% for the latch-type, and 11% for the RC-type in a DC termination scheme, and the overshoot is 32% for the latch-type, and 16% for the RC-type in an open scheme, both at a signal amplitude of 2 V. The RC-type is superior for signal swing as low as a 1V. On the other hand, RC termination requires large capacitance, and thus high power. Diode termination is not effective for a small swing because of the large ON voltage of diodes.
- 社団法人電子情報通信学会の論文
- 1995-04-25
著者
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KAWAHARA Toshio
Department of Materials Science and Engineering, National Defense Academy
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Kimura Katsutaka
Central Research Laboratory, Hitachi, Ltd.
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Aoki M
Ntt Network Service Systems Laboratories Ntt Corporation
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Kawahara T
Semiconductor Leading Edge Technol. Inc. Tsukuba-shi Jpn
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Kawahara Takayuki
Central Research Laboratory Hitachi Ltd.
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Aoki Masakazu
Semiconductor and Integrated Circuits Division, Hitachi, Ltd.
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Kimura K
Hitachi Ltd. Hitachi‐shi Jpn
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Kimura Katsutaka
Central Research Lab. Hitachi Ltd.
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Aoki Masakazu
Semiconductor And Integrated Circuits Division Hitachi Ltd.
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Kawahara T
Faculty Of Technology Tokyo University Of Agriculture And Technology
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