A Built-In Self-Repair Scheme for 3-D RAMs With Interdie Redundancy

被引:9
|
作者
Chou, Che-Wei [1 ]
Huang, Yu-Jen [2 ]
Li, Jin-Fu [1 ]
机构
[1] Natl Cent Univ, Dept Elect Engn, Tao Yuan 320, Taiwan
[2] Taiwan Semicond Mfg Co, Test Chip Design Dept, Hsinchu 310, Taiwan
关键词
3-D integrated circuit (IC); 3-D random access memory (RAM); memory repair; memory testing; through-silicon-via (TSV); yield improvement; INFRASTRUCTURE IP; HIGH-DENSITY; DESIGN;
D O I
10.1109/TCAD.2012.2222882
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
3-D integration using through silicon via is an emerging technology for integrated circuit designs. Random access memory (RAM) is one good candidate for the application of 3-D integration technology. However, yield will be a key challenge for the volume production of 3-D RAMs. In this paper, we present yield-enhancement techniques for 3-D RAMs. An interdie redundancy scheme is proposed to improve the yield of 3-D RAMs. Three stacking flows with respect to different bonding technologies for 3-D RAMs with interdie redundancy are proposed as well. Finally, a built-in self-repair (BISR) scheme is proposed to perform the repair of 3-D RAMs with interdie redundancies. The BISR circuits in two stacked dies can work together to allocate interdie redundancies. Simulation results show that the proposed yield-enhancement techniques can effectively improve the yield of 3-D RAMs.
引用
收藏
页码:572 / 583
页数:12
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