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MEMS oscillators extend handhelds' battery life

Posted: 28 Jan 2009 ?? ?Print Version ?Bookmark and Share

Keywords:oscillators MEMS? battery handheld? power low consumption?

SiTime Corp. claims to have lowered the power consumption of its MEMS oscillators to less than half that of competitors' chips. Available in a 0.25mm package, the SiT80x3 family of MEMS oscillators can also supply two related frequencies.

"We now have the lowest power and the thinnest package," claimed Jeff Gao, director of marketing at SiTime. "Our power consumption is now less than 3.5mA, which will extend the battery life of handheld devices."

Handheld devices are turned on and off frequently, prompting SiTime to engineer a 3ms startup time for its new MEMS oscillators. Gao said the feature is important for devices that are often in standby mode.

SiTime produces its MEMS oscillators in large quantities before receiving orders, then programs them in-house for particular frequencies. Customers can specify frequencies between 1MHz and 110MHz. Samples are available in 24hrs and volume orders can be shipped in two weeks.

The company's MEMS oscillators can be supplied in packages that are pin-compatible with standard quartz crystal oscillators or in a 0.25mm-thick package for smart cards, SIM cards and other thin devices. The oscillators are available in a single or two related frequencies.

- R. Colin Johnson
EE Times

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