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Modern system-on-chip designs implement sophisticated power management features to achieve better energy efficiency. This includes power-down modes for analog circuit blocks. Typically, they are implemented by additional power-down circuitry which shuts down all bias currents. During the design of power-down circuitry, it must be ensured that the circuit still meets all specifications in normal operation...
Due to the need for energy efficiency, power management features of modern systems on chips are becoming more and more complex. The complexity also affects analog/mixed-signal circuit blocks. They are equipped with power-down modes to shut off bias currents while the block is not used. In industrial practice, the power-down circuitry is added manually towards the end of the design phase. Due to the...
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