Magic Blue Smoke

Archive for September 2008


Polling Low Power Design Styles

Based on my interactions with many designers for the past few years, most common techniques in practice/proven today are (1) Power Gating (Majority) (2) Static Multi-VOltage (3) Dynamic Voltage Scaling (4) Adaptive Voltage Scaling (5) Back Biasing But lately I am hearing about new techniques being tried to prepare for future technologies, some of them […]

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Posted in low power general | 4 Comments »


Physical Structure of Special Cells (Cont’d)

last week we saw physical structure of LS/ISO cells. Today lets look at (a) Retention Registers: These are typically either dual height cells or single height wide cells. They have Primary Rail and Secondary Rail. Primary Rail is switchable and Secondary Rail supplies power, when Primary Rail is off. They are typically placed in a […]

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Posted in Architecture, low power general | 11 Comments »