Silicon Oscillators operate directly from 5 V supply.
July 3, 2008 -
Including 10-, 12-, and 16 MHz devices, STCL1120 family of oscillators have fixed operating frequency that is accurate to within ±1.5% in all operating conditions, and operating temperature from -20 to +85°C. Push-pull, CMOS-compatible output produces square wave for direct interfacing with on-board components. By implementing external chip-select pin, engineers can stop clock when application is in standby mode, gaining power savings by reducing oscillator current to less than 3 µA.
Low-Power Silicon Oscillator from STMicroelectronics Saves Parts-Count and Streamlines Design
STCL1120 silicon oscillator technology is tougher than quartz, smaller and faster than ceramic, and saves power compared to alternative silicon devices
GENEVA, June 24 -- The STCL1120 family of silicon oscillators from STMicroelectronics (NYSE:STM), a world leader in analog and mixed-signal ICs, combines fast start-up and high immunity to shock, vibration and EMI (electromagnetic interference) with lower operating current and a chip-select control for easier and more efficient power management compared to other silicon-based devices.
The first STCL1120 family members to be introduced are 10-, 12- and 16MHz devices. The short startup time of 50 microseconds and best-in-class 0.65mA operating current for the 12MHz version combine with the chip-select capability to enable power savings for engineers seeking a cost-effective and robust alternative to ceramic or quartz-based oscillators. As a further benefit, no external components are required, allowing designers to eliminate the capacitance matching typically necessary with ceramic resonators. The STCL1120 oscillators also operate directly from a 5V supply.
By implementing an external chip-select pin, the STCL1120 provides an easy way for engineers to stop the clock when the application is in standby mode, gaining extra power savings by reducing the oscillator current to less than 3 microamps. The push-pull, CMOS-compatible output produces a square wave for direct interfacing with on-board components including logic devices, microcontrollers, FPGAs and ASICs.
The fixed operating frequency is accurate to within ±1.5% throughout all operating conditions. A 32kHz silicon oscillator is also offered and further variants of the oscillators, with tighter accuracy, will be introduced in the future. Specified for operation from -20 to +85 °C, the STCL1120 serves motor-control applications, home appliances, building controllers, display drivers, advanced battery chargers, and low-speed USB peripherals such as computer keyboards or mice.
Packaged in a 5-lead SOT23 package, the STCL1120 family is available immediately in production quantities. Unit pricing starts at $0.50 in quantities of 10,000.
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.
Source: STMicroelectronics
CONTACT:
Michael Markowitz of STMicroelectronics,
+1-212-821-8959,
michael.markowitz@st.com
General Information:
Michael Markowitz
USA
Phone: 212-821-8959 E-mail this person Company Information: Name: STMicroelectronics Address: 39, Chemin du Champ des Filles, C. P. 21 City: GENEVA Country: Switzerland Phone: +41 22 929 29 29 FAX: +41 22 929 29 00 http://www.st.com
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