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Sensor family measures on-chip heat, voltage

Posted: 05 Jun 2012 ?? ?Print Version ?Bookmark and Share

Keywords:on-chip temperature? 65nm lithography?

Analog Bits has announced the release of its Sensor IP product line of sensors designed to monitor on-chip temperature variation and voltage supply.

Temperature variation is a problem below 65nm process lithography as power density increases and wires get thinner, inducing electro-migration, and putting product life and reliability at risk of field failures.

Large die are even more susceptible to temperature and voltage variation, thus, they need close, careful monitoring. Sensor IP enables SoCs to monitor these two and scale the workload and operating voltage to maintain chip temperature within a pre-defined range.

The Sensor IP is a highly integrated macro providing precision in a fully-integrated and easy to instantiate form factor for any SoC. It uses little operational power and shows leakage power only when it completes temperature and voltage measurement.

The block includes all analog functions internally, leaving only a simple-to-use digital interface that works with standard power supplies. It uses regular transistors and requires no extra mask steps. The Sensor IP block is very compact, so it can be scattered or arrayed across the die with little area cost and can monitor die temperature variation on speed and power critical blocks such as integrated microprocessors.

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