STMicroelectronics Expands MEMS Portfolio with Medium-G Accelerometers

GENEVA, Oct. 14 /PRNewswire-FirstCall/ -- STMicroelectronics (NYSE: STM), the leading supplier of MEMS (Micro-Electro-Mechanical Systems) for consumer and portable applications(1), today introduced a three-axis sensor with digital output that can detect accelerations up to 24g, or about 5x the force created by a Formula One car under heavy braking. The LIS331HH's market-unique combination of multiple full-scale ranges above 10g with small size, high resolution, low power consumption and smart embedded features enables high-precision motion sensing in a wide range of consumer and industrial applications.

ST's newest MEMS accelerometer provides extremely accurate output across full-scale ranges of plus or minus 6/plus or minus 12/plus or minus 24g. The medium-g sensing enables high-level vibration monitoring and high-shock detection without any loss of information. In game applications, medium-g detection enhances user interfaces, adding previously unseen levels of realism.

Two separate, highly programmable interrupt signals enable immediate notification of desired events, such as when the acceleration value goes above/below a user-defined threshold.

Contributing to the reduction in power consumption of the entire system, ST's LIS331HH motion sensor can be programmed to work in the sleep-to-wake-up mode. In this mode, the accelerometer keeps the read chain active, consuming less than 10uA, and wakes up when an event occurs, automatically increasing the output data rate.

ST's digital-output medium-g accelerometer boasts high stability over a wide temperature range for both zero-g offset and sensitivity. Its ultra-compact robust design provides very high shock survivability up to 10,000g. Built-in self-test capability allows the customer to verify the functioning of the sensor after it has been assembled, without the need to do any movement with the board.

The LIS331HH is pin-to-pin- and firmware-compatible with all low-g sensors in the LIS331DL/DLx families. Housed in an environment-friendly 3 x 3 x 1 mm(3) package, the device is in production, with unit pricing of $1.25 for volumes in the range of 10k.

For further information on ST's complete MEMS portfolio, see www.st.com/mems

About STMicroelectronics

STMicroelectronics is a global leader serving customers across the spectrum of electronics applications with innovative semiconductor solutions. ST aims to be the undisputed leader in multimedia convergence and power applications leveraging its vast array of technologies, design expertise and combination of intellectual property portfolio, strategic partnerships and manufacturing strength. In 2008, the Company's net revenues were $9.84 billion. Further information on ST can be found at www.st.com.

(1)according to iSuppli (June 2009)

SOURCE STMicroelectronics

Web site: http://www.st.com/




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