類比IC設計的自動化佈局系統之發展

隨著半導體製程不斷演進，半導體相關產品的開發過程越顯重要。產品設計鏈中，上下游廠商共同參與產品開發生產的流程，將有助於提升產品的開發效率、有效減少開發時程、增加設計鏈中各成員的收益。本研究參考供應鏈協會於2004年發表的設計鏈作業參考模式，將類比式IC產品開發的所有流程對應至相關的標準程序上，並針對類比式IC產品的開發流程中的佈局部份提出改善的方法，並實際建構出系統實踐之。佈局對類比式電路產品最終的成效影響至關重大，同時，對類比電路設計人員來說，佈局也是一項耗時費力，且高度依賴經驗與專業技巧的工作。為提升類比電路產品開發的整體效能，本研究實做出一套自動系統化佈局系統，以樹狀結構的方式在短時間內可提供設計人員此方法下全部可能的佈局圖像，最後再讓設計人員依照不同情況、不同需求來篩選出最適合的佈局方式。本研究最後以一個已經完成的類比式電路產品為例子，利用自動系統化佈局系統重新做一次佈局設計，並透過模擬與實際上的比較來了解系統實用性。

關鍵字

設計鏈；類比電路；系統佈局規劃；自動系統化佈局系統

並列摘要

Semiconductor product development procedure is more and more important with the continuous improving of manufacturing process. The upstream and downstream members in design chain can join the new product development procedure for raising the development efficiency, reducing time to market, and increasing the benefits of all the members. In this research, analog IC product development procedure is separated into several standard processes through Design-Chain Operations Reference-model (DCOR-model) released by Supply-Chain Council (SCC) in 2004, and a tree-structure methodology is presented for improving layout step in analog IC product development procedure. Moreover, an automatically systematic layout (ASL) system is constructed for implementing this methodology. Factually, layout seriously influences the end performance of analog IC product, and to develop analog IC products is really a time-consuming work. Furthermore, doing layout quite depends on designer’s experience and expertise. Therefore, one of the purposes for developing ASL system is to raise the product development efficiency. All possible layout patterns under the tree-structure methodology can be generated by ASL system in just few seconds, and then designer can pick out at least one alternative through alternative filters according to different situations. At last, an existing analog IC product is chosen as an example, and its layout is re-designed through ASL system. The comparison between the two different layout designs is listed in the following content.

並列關鍵字

Design Chain ； Analog IC ； Systematic Layout Planning ； ASL System

參考文獻

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國際替代計量

類比IC設計的自動化佈局系統之發展

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