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Design-Technology Co-Optimization of Ferroelectric Devices for Capacitive In-Memory Computing and On-Chip Buffers
Design-Technology Co-Optimization of Ferroelectric Devices for Capacitive In-Memory Comput...
Design-Technology Co-Optimization of Ferroelectric Devices for Capacitive In-Memory Computing and On-Chip Buffers

Detailed Information

자료유형  
 학위논문 서양
최종처리일시  
20260202105522
ISBN  
9798263339173
DDC  
620
저자명  
Luo, Yuan-Chun.
서명/저자  
Design-Technology Co-Optimization of Ferroelectric Devices for Capacitive In-Memory Computing and On-Chip Buffers
발행사항  
[Sl] : Georgia Institute of Technology, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
145 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-05, Section: A.
주기사항  
Advisor: Yu, Shimeng.
학위논문주기  
Thesis (Ph.D.)--Georgia Institute of Technology, 2024.
초록/해제  
요약Ferroelectric memories have been widely investigated for both analog ComputeIn-Memory (CIM) and buffer memory applications. In conventional analog CIM, weights are represented by the conductance of non-volatile resistive memories. However, these resistive memory arrays suffer from high static power, serious IR drop, and sneak-path issues. To overcome these challenges, ferroelectric "capacitive" crossbar arrays are proposed in this thesis since the capacitive approach (1) only consumes dynamic power, (2) has no DC sneak paths, (3) avoids IR drop along wires, and (4) has a high 3D stacking potential. In this thesis, ferroelectric capacitive crossbar arrays are investigated from device physics, device/array measurement, circuit simulation, to system-level benchmarking, where a cross-layer framework is built to connect the device and circuit parameters to system-level metrics. On the other hand, ferroelectric non-volatile memories as embedded storage units are also investigated. More specifically, an endurance-aware compiler is built to estimate the impact of the endurance issues of Ferroelectric Random-Access Memory (FeRAM) on system lifetime; 2T1F FeRAM is proposed for its ultra-compact cell area and low-power characteristics compared to the conventional 1T1F FeRAM; The temperature dependency of FeRAM endurance and sense margins will also be analyzed. Besides FeRAM, two other ferroelectric on-chip memories will be introduced. First, a ferroelectric non-volatile SRAM will be investigated due to its zero-leakage and instant-on advantages for edge devices with low active rates. Finally, a ferroelectric tunnel junction with high on/off ratios and multiple memory states per cell will be demonstrated.
일반주제명  
Silicon
일반주제명  
Physics
일반주제명  
Investigations
일반주제명  
Wire
일반주제명  
Synapses
일반주제명  
Neural networks
일반주제명  
Design
일반주제명  
Energy efficiency
일반주제명  
Transistors
일반주제명  
Energy consumption
일반주제명  
Electrical engineering
일반주제명  
Sustainability
기타저자  
Georgia Institute of Technology.
기본자료저록  
Dissertations Abstracts International. 87-05A.
전자적 위치 및 접속  
로그인 후 원문을 볼 수 있습니다.

MARC

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■0820  ▼a620
■1001  ▼aLuo,  Yuan-Chun.
■24510▼aDesign-Technology  Co-Optimization  of  Ferroelectric  Devices  for  Capacitive  In-Memory  Computing  and  On-Chip  Buffers
■260    ▼a[Sl]▼bGeorgia  Institute  of  Technology▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a145  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-05,  Section:  A.
■500    ▼aAdvisor:  Yu,  Shimeng.
■5021  ▼aThesis  (Ph.D.)--Georgia  Institute  of  Technology,  2024.
■520    ▼aFerroelectric  memories  have  been  widely  investigated  for  both  analog  ComputeIn-Memory  (CIM)  and  buffer  memory  applications.  In  conventional  analog  CIM,  weights  are  represented  by  the  conductance  of  non-volatile  resistive  memories.  However,  these  resistive  memory  arrays  suffer  from  high  static  power,  serious  IR  drop,  and  sneak-path  issues.  To  overcome  these  challenges,  ferroelectric  "capacitive"  crossbar  arrays  are  proposed  in  this  thesis  since  the  capacitive  approach  (1)  only  consumes  dynamic  power,  (2)  has  no  DC  sneak  paths,  (3)  avoids  IR  drop  along  wires,  and  (4)  has  a  high  3D  stacking  potential.  In  this  thesis,  ferroelectric  capacitive  crossbar  arrays  are  investigated  from  device  physics,  device/array  measurement,  circuit  simulation,  to  system-level  benchmarking,  where  a  cross-layer  framework  is  built  to  connect  the  device  and  circuit  parameters  to  system-level  metrics.  On  the  other  hand,  ferroelectric  non-volatile  memories  as  embedded  storage  units  are  also  investigated.  More  specifically,  an  endurance-aware  compiler  is  built  to  estimate  the  impact  of  the  endurance  issues  of  Ferroelectric  Random-Access  Memory  (FeRAM)  on  system  lifetime;  2T1F  FeRAM  is  proposed  for  its  ultra-compact  cell  area  and  low-power  characteristics  compared  to  the  conventional  1T1F  FeRAM;  The  temperature  dependency  of  FeRAM  endurance  and  sense  margins  will  also  be  analyzed.  Besides  FeRAM,  two  other  ferroelectric  on-chip  memories  will  be  introduced.  First,  a  ferroelectric  non-volatile  SRAM  will  be  investigated  due  to  its  zero-leakage  and  instant-on  advantages  for  edge  devices  with  low  active  rates.  Finally,  a  ferroelectric  tunnel  junction  with  high  on/off  ratios  and  multiple  memory  states  per  cell  will  be  demonstrated.
■590    ▼aSchool  code:  0078.
■650  4▼aSilicon
■650  4▼aPhysics
■650  4▼aInvestigations
■650  4▼aWire
■650  4▼aSynapses
■650  4▼aNeural  networks
■650  4▼aDesign
■650  4▼aEnergy  efficiency
■650  4▼aTransistors
■650  4▼aEnergy  consumption
■650  4▼aElectrical  engineering
■650  4▼aSustainability
■690    ▼a0389
■690    ▼a0605
■690    ▼a0800
■690    ▼a0544
■690    ▼a0640
■71020▼aGeorgia  Institute  of  Technology.
■7730  ▼tDissertations  Abstracts  International▼g87-05A.
■790    ▼a0078
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17360420▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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