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Cell-based design is a widely adopted design approach in current ASIC and SOC designs. Standard cell libraries are a collection of basic building blocks that can be used in cell-based designs. The use of standard cell libraries offers shorter design time, induces fewer errors in the design process, and is easier to maintain. This paper presents the TSMC 0.25 mum standard CMOS cell library designed and distributed by the Virginia Tech VISI for Telecommunications (VTVT) Group, and its impact on the VISI design community and VLSI education.