Presentation 2005/3/4
A High-Speed Domino CMOS Full Adder Driven by a New Unified-BiCMOS Inverter with Resistor-Ratio Type Control Circuits
Fumiaki Tamaki, Kei Matsuura, Toshiro Akino,
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Abstract(in English) We proposed a new operation mode for a partially depleted CMOS inverter on SOI, and designed and simulated a hybrid lateral BJT-CMOS inverter circuit [1]. The scheme utilizes the gated lateral npn {pnp} BJT inherent of n {p}-channel MOSFET. Forward current is applied to the base terminal of the channel MOSFETs, with pull-up or pull-down MOSFET having normal substrates as current sources, where each drain terminal is connected to the corresponding base terminal of the inverter. We called this hybrid device as a new Unified(U)-BiCMOS inverter. A logic scheme is also proposed to control the gates of the pull-up or pull-down MOSFETs in switching states using output signals made from two normal substrate CMOS inverters with different resistance ratios. Here, we designed the U-BiCMOS inverter with the nearly same current capabilities for two complementary MOSFETs having the channel widths as Wp/Wn=2. In this paper, we investigate a circuit performance of the U-BiCMOS inverter with the nearly same current capabilities for two complementary BJTs. Circuit simulation using 0.35μm BSIM3v3 model parameters for MOSFETs and a current gain of β_F=100 for BJTs, the speed and energy consumption of Domino CMOS full adder driven by the U-BiCMOS inverter with Wp/Wn=1 are shown to be nearly 64% faster and 12% higher than those of 3-stage CMOS inverter designed on the basis of logical effort [2] for driving a load capacitance of 0.2361pF at Vdd=1.0V.
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Keyword(in English) SOI / partially depleted / CMOS / BJT / MOSFET / BiCMOS / new Unified (U)-BiCMOS / logical effort
Paper # VLD2004-147,ICD2004-243
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Conference Date 2005/3/4(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A High-Speed Domino CMOS Full Adder Driven by a New Unified-BiCMOS Inverter with Resistor-Ratio Type Control Circuits
Sub Title (in English)
Keyword(1) SOI
Keyword(2) partially depleted
Keyword(3) CMOS
Keyword(4) BJT
Keyword(5) MOSFET
Keyword(6) BiCMOS
Keyword(7) new Unified (U)-BiCMOS
Keyword(8) logical effort
1st Author's Name Fumiaki Tamaki
1st Author's Affiliation Program in Electronic System and Information Engineering, The Graduate School of Biology-Oriented Science and Technology, Kinki University()
2nd Author's Name Kei Matsuura
2nd Author's Affiliation Program in Electronic System and Information Engineering, The Graduate School of Biology-Oriented Science and Technology, Kinki University
3rd Author's Name Toshiro Akino
3rd Author's Affiliation Program in Electronic System and Information Engineering, The Graduate School of Biology-Oriented Science and Technology, Kinki University
Date 2005/3/4
Paper # VLD2004-147,ICD2004-243
Volume (vol) vol.104
Number (no) 711
Page pp.pp.-
#Pages 6
Date of Issue