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                # 數字后端基本概念介紹——Standard Cell 數字后端基本概念是**Standard cell**,中文名標準單元。這是設計中最基本的邏輯單元了,是基本門和簡單邏輯電路。我們平時常用的buffer, inverter, register等都屬于標準單元。 standard cell的時序信息記錄在.lib文件中 ``` cell (INVX12_CSC28SL) { area : 0.86528; cell_footprint : "inv"; threshold_voltage_group : "LVT"; pg_pin (VDD) { pg_type : primary_power; voltage_name : "VDD"; } ```
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