A 40nm 1.0Mb Pipeline 6T SRAM with Variation-Tolerant Step-Up Word-Line and Adaptive Data-Aware Write-Assist

被引:0
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作者
Chang, Chi-Shin [1 ]
Yang, Hao-, I [1 ]
Liao, Wei-Nan [1 ]
Lin, Yi-Wei [1 ]
Lien, Nan-Chun [1 ]
Chen, Chien-Hen [1 ]
Chuang, Ching-Te [1 ]
Hwang, Wei [1 ]
Jou, Shyh-Jye [1 ]
Tu, Ming-Hsien [2 ]
Huang, Huan-Shun [2 ]
Hu, Yong-Jyun [2 ]
Kan, Paul-Sen [2 ]
Cheng, Cheng-Yo [2 ]
Wang, Wei-Chang [2 ]
Wang, Jian-Hao [2 ]
Lee, Kuen-Di [2 ]
Chen, Chia-Cheng
Shih, Wei-Chiang
机构
[1] Natl Chiao Tung Univ, Dept Elect Engn, Hsinchu, Taiwan
[2] Faraday Technol Corp, Hsinchu, Taiwan
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中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We present a 1.0Mb pipeline 6T SRAM in 40nm Low-Power CMOS technology. The design employs a variation-tolerant Step-Up Word-Line (SUWL) to improve the Read Static Noise Margin (RSNM) without compromising the Read performance and Write-ability. The Write-ability is further enhanced by an Adaptive Data-Aware Write-Assist (ADAWA) scheme. The 1.0Mb test chip operates from 1.5V to 0.7V, with operating frequency of 800MHz@1.2V and 25 degrees C. The measured power consumption is 23.21mW (Active)/2.42mW (Leakage) at 1.2V, TT, 25 degrees C; and 6.01mW (Active)/0.35mW (Leakage) at 0.7V, TT, 25 degrees C.
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页码:1468 / 1471
页数:4
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