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New Two-Axis Analog Accelerometer from STMicroelectronics Saves Space and Power in Portable Applications


STMicroelectronics (NYSE: STM), a leading supplier of MEMS (Micro-Electro-Mechanical System) devices, today announced a new solution extending its family of ultra-compact ‘low-g’ linear accelerometers. Its ultra-compact square footprint and low power consumption makes the LIS244AL motion-sensing device ideally suited for battery-powered portable applications, such as mobile phones, portable multimedia players or remote controls.

The new accelerometer incorporates in a single package both a robust, dual-axis MEMS sensor and a CMOS interface chip that provides two simultaneous, real-time analog outputs: one for side-to-side (lateral) and one for forward-backward (longitudinal) directions.

The LIS244AL providesacceleration values at a very low noise level with minimized power consumption, which is especially critical in battery-operated portable systems. The new accelerometer is housed in an inexpensive 4 x 4 x 1.5 mm3 plastic package to fit in a variety of space-constrained applications and its ultra-compact robust design provides shock survivability up to 10,000g.

ST’s new accelerometer offers a full-scale output range of +/-2.0g. The built-in self-test facility allows the user to verify both the mechanical and electrical parts of the device. The accelerometer uses ST’s ECOPACK® lead-free technology for RoHS-compliance (the EU’s Restriction on Use of Hazardous Substances Directive).

The LIS244AL addresses a wide range of applications sensitive to package size and power consumption, including data-integrity protection; user interface; anti-theft system; remote device control; intelligent motion-based power management; sport and health monitoring devices.

ST’s LIS244AL is now in volume production. Unit pricing is $2.3 for quantities of 10,000 pieces. For further information on the LIS244AL and ST’s complete MEMS portfolio see

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About STMicroelectronics
STMicroelectronics is a global leader in developing and delivering semiconductor solutions across the spectrum of microelectronics applications. An unrivalled combination of silicon and system expertise, manufacturing strength, Intellectual Property (IP) portfolio and strategic partners positions the Company at the forefront of System-on-Chip (SoC) technology and its products play a key role in enabling today’s convergence markets. The Company’s shares are traded on the New York Stock Exchange, on Euronext Paris and on the Milan Stock Exchange. In 2006, the Company’s net revenues were $9.85 billion and net earnings were $782 million. Further information on ST can be found at


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