基于铁电可重配置晶体管的内容可定位存储器和可转换逻辑电路,用于内存计算
Zijing Zhao1, Junzhe Kang1, Ashwin Tunga1
1Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.
ACS nano
|January 17, 2024
概括
铁电可重新配置晶体管可以实现高效的逻辑内存计算. 这些设备同时执行数据存储和逻辑操作,为内容可定位内存和可重新配置逻辑门的区域和能源效率提供了显著的改进.
科学领域:
- 材料科学 材料科学 材料科学
- 计算机工程 计算机工程
- 电气工程 电气工程
背景情况:
- ·诺伊曼架构在电力消耗和计算能力方面面临限制.
- 内存计算通过整合逻辑和内存功能提供了一个有前途的解决方案.
- 铁电材料为新型电子设备提供独特的特性.
研究的目的:
- 为了证明铁电可重新配置晶体管作为一个多功能逻辑内存单元.
- 探索其在内容可定位存储器 (CAM) 和可重新配置逻辑门中的应用.
- 评估改善面积和能源效率的潜力.
主要方法:
- 使用铁电可重新配置晶体管进行并发逻辑操作和数据存储.
- 实现内容可定位存储器 (CAM),每位密度为1个晶体管.
- 演示具有可切换n和p类模式的NAND/NOR逻辑门.
- 制造CAM单元的NAND和NOR阵列,用于多位匹配和哈明距离测量.
主要成果:
- 铁电可重新配置晶体管实现XOR/XNOR类匹配在单个晶体管中用于CAM,提高效率.
- NAND和NOR阵列可以实现多位匹配和哈明距离计算.
- 展示了具有双NAND/NOR功能的可重新配置逻辑门,并实时进行非挥发性配置更改.
结论:
- 铁电可重新配置晶体管是有效的逻辑内存单元.
- 它们在空间和能源效率方面为内存和逻辑应用提供了显著的优势.
- 这项技术为先进的低功耗计算架构铺平了道路.
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