CACTI-CNFET：一种用于分析带有碳纳米管场效应晶体管的SRAM的时序、功率和面积的工具.pdf

1、CACTI-CNFET:an Analytical Tool for Timing,Power,and Area of SRAMs with Carbon Nanotube Field Effect Transistors*Shinobu MiwaEiichiro Sekikawa Tongxin YangRyota ShioyaHayato YamakiHiroki HondaThe University of Electro-CommunicationsThe University of TokyoJan 20-23,202530TH ASIA AND SOUTH PACIFIC DESI

2、GN AUTOMATION CONFERENCE(ASP-DAC 2025)1*This work was partially supported by JSPS(Japan Society for the Promotion of Science)KAKENHI Grant Numbers 18K19778,20H04153,23K18461,and 24K02913,and VLSI Design and Education Center(VDEC),the University of Tokyo in collaboration with NIHON SYNOPSYS G.K.CNFET

3、(Carbon Nanotube Field Effect Transistor)Transistor composed of nano-meter order carbon nanotubes(CNTs)Use CNTs,which have an electronic characteristic superior to silicon,as channel materials Operate at a high speed with a small supply voltage(e.g.,0.375V)Greater performance than silicon transistor

4、s 1 Gate delay:1/3.9 Energy efficiency:9.4xJan 20-23,202530TH ASIA AND SOUTH PACIFIC DESIGN AUTOMATION CONFERENCE(ASP-DAC 2025)2CNFET1 C.Qiu et al.,Scaling Carbon Nanotube Complementary Transistors to 5-nm Gate Lengths,Science(2017)Cross section of CNFETs 1CNFET ProcessorsJan 20-23,202530TH ASIA AND

5、 SOUTH PACIFIC DESIGN AUTOMATION CONFERENCE(ASP-DAC 2025)32 M.Shulaker et al.,Carbon Nanotube Computer,Nature(2013)3 G.Hills et al.,Understanding Energy Efficiency Benefits of Carbon Nanotube Field-Effect Transistors for Digital VLSI,IEEE TNano(2018)4 G.Hills et al.,Modern Microprocessor Built from

6、Complementary Carbon Nanotube Transistors,Nature(2019)2010201520202025The first CNFET processor 2(data:1b,frequency:1KHz)The first CNFET RISC-V processor 4(data:16b,frequency:10KHz)Performance comparison between 5nm FinFET and 5nm CNFET for an OpenSPARC T2 processor 3Challenges towards Practical Use