Analysis of crosstalk delay using mixed CNT bundle based through silicon vias

This research paper presents a new method to reduce crosstalk of carbon nanotube (CNT) bundle based through silicon vias (TSVs). For this, a unique structure of mixed CNT bundled (MCB) TSV is proposed with specific arrangement of single- (SWCNT) and multi-walled CNTs (MWCNTs). An equivalent electrical model is presented for different MCB configurations wherein MWCNTs are placed at peripheral layers to the centrally located SWCNTs. A significant reduction in crosstalk induced delay is observed for higher number of peripheral layers containing MWCNTs. For different TSV heights, the overall reduction in crosstalk induced delay is 44.03% using novel MCB instead of conventional SWCNT bundle.