Presentation 2004/11/24
High-Speed Logic Circuit Technology with Asymmetric Slope Transition
Masao MORIMOTO, Makoto NAGATA, Kazuo TAKI,
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Abstract(in English) Differential logic circuits with asymmetric signal transition surpass the highest speed that conventional CMOS logic circuits can achieve, resulting from deeply shortened rise time along with reasonably slowed fall time. ASD-CMOS (Asymmetric Slope Differential CMOS) is a static logic and ASDDL (Asymmetric Slope Differential Dynamic Logic) is a dynamic logic without per-gate synchronous clock signal, each of which needs two-phase operation as well as differential signaling. ASDDL/ASD-CMOS achieves smaller area and lower power than conventional dynamic circuits. ASDDL and ASD-CMOS 16-bit multipliers in a 0.18-μm CMOS technology demonstrates 1.82 nsec and 1.78 nsec, which corresponds to 96% and 94% of DCVS-DOMINO, respectively. The area was 92% and 97% of that in DCVS-DOMINO implementation, and the power consumption reduces to 20% and 2%, respectively. A prototype ASD-CMOS 16-bit multiplier with built-in test circuitry fabricated in a 0.13-μm CMOS technology operates with the delay time of 1.57 nsec at 1.2 V.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) ASDDL / ASD-CMOS / asymmetric slope / differential logic / high speed
Paper # VLD2004-53,ICD2004-139,DC2004-39
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Committee DC
Conference Date 2004/11/24(1days)
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Registration To Dependable Computing (DC)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) High-Speed Logic Circuit Technology with Asymmetric Slope Transition
Sub Title (in English)
Keyword(1) ASDDL
Keyword(2) ASD-CMOS
Keyword(3) asymmetric slope
Keyword(4) differential logic
Keyword(5) high speed
1st Author's Name Masao MORIMOTO
1st Author's Affiliation Graduate School of Science and Technology, Kobe University()
2nd Author's Name Makoto NAGATA
2nd Author's Affiliation Department of Computer and Systems Engineering, Kobe University
3rd Author's Name Kazuo TAKI
3rd Author's Affiliation Department of Computer and Systems Engineering, Kobe University
Date 2004/11/24
Paper # VLD2004-53,ICD2004-139,DC2004-39
Volume (vol) vol.104
Number (no) 481
Page pp.pp.-
#Pages 6
Date of Issue