Magic Blue Smoke

Archive for the 'Infrastructure' Category

 

Physical Structure of Special Cells

Today let me give a quick insight into various special cells and their physical structure (a) Level Shifters: In general there are 3 types of Level Shifter. (i) High2Low LS: Shifts the Voltage from High 2 Low. Physically these are single row height cells and have 2 rails VDD and VSS. Conceptually they are nothing […]

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Infrastructure Needs for Multi-Voltage Designs

Before we start looking at implementing a Multi-Voltage design there are certain questions we need to find out from process/library perspective such as  Available Operating Voltages(PVT) Do we have special cells such as Level Shifters/Isolation cells/Power Gating Switches ? If Level Shifter exists, what kind of level shifters are available? (ex: Enable Level Shifter..etc) What […]

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