STMicroelectronics Adds Chip-Enable to Standalone Watchdog ICs, Solving System-Design Challenges and Accelerating Time-To-Market


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GENEVA, Dec. 17 /PRNewswire/ -- First standalone watchdog timer from ST combines chip-enable with footprint savings and low power consumption

GENEVA, Dec. 17 /PRNewswire-FirstCall/ -- By providing a chip-enable input, the STWD100 watchdog timer IC from STMicroelectronics (NYSE: STM), a world leader in analog and mixed-signal ICs, prevents automatic reset generation during in-system programming or boot-up, enhancing flexibility for developers to control and manage applications. Comparable alternative devices do not have chip-enable capability.

As the first standalone device to join ST's watchdog timer portfolio, the STWD100 is housed in a 5-pin SC70-5 package with a footprint of 2.0 x 2.1mm, thereby delivering PCB savings in addition to the extra convenience of the chip enable. A SOT23-5 package, with a footprint of 2.8 x 2.8mm, is also available.

The STWD100 is available in a variety of configurations. Timeout periods of 3.4ms, 6.3ms, 102ms or 1.6s can be specified, while a choice of push-pull or open-drain active-low output configurations simplifies hardware integration. The wide operating temperature range, from -40 degrees C to +125 degrees C, allows use throughout a variety of commercial and industrial environments.

For systems requiring redundancy, high reliability or self-recovery capabilities, the STWD100 joins ST's range of external watchdog timers for applications such as security equipment, financial systems, medical equipment, and networking devices. These include the STM63xx and STM68xx families of combined reset/watchdog ICs with multiple reset options, and the M41T62/5 and M41T81S/83/93/94 real-time clocks with integrated 32kHz watchdog oscillator for high-accuracy watchdog timing.

The STWD100 is in full production, and available at $0.35 in quantities of 10,000 pieces.

Further information is available at: www.st.com/supervisor.

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 2007, the Company's net revenues were $10 billion. Further information on ST can be found at www.st.com.

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




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