IDT Introduces Precision Temperature Sensors for DDR3 Memory Modules

New Devices Enhance Reliability, Performance and Power Efficiency of Enterprise, Mobile and Embedded Computing Systems

SAN JOSE, Calif. — (BUSINESS WIRE) — January 25, 2010IDT® (Integrated Device Technology, Inc.) (NASDAQ: IDTI), a leading provider of essential mixed signal semiconductor solutions that enrich the digital media experience, today announces its first precision temperature sensors targeted at Double Data Rate 2 and 3 (DDR2 and DDR3) memory modules, Solid State Disks (SSD) and computing motherboards. These new devices allow enterprise, mobile and embedded computing systems to run at peak efficiency, saving overall power and enhancing reliability and performance by monitoring the temperature of the various subsystems.

The new IDT temperature sensors measure the local temperature of a computing subsystem and, if the temperature rises above pre-determined levels, enable system controllers to respond by throttling system bandwidth, adjusting memory refresh rates or varying fan speeds. In addition, the new IDT temperature sensors can trigger shutdown of a subsystem if the temperature reaches a critical point, enhancing reliability. The IDT offering includes a stand-alone temperature sensor (TS3000B3), as well as one with an integrated 256-byte EEPROM array (TSE2002B3) on a single, monolithic die for non-volatile storage of user information, such as system configuration in a Serial Presence Detect (SPD) for memory modules.

The new IDT temperature sensor family is the first to exceed the requirements set forth by the Joint Electron Device Engineering Council (JEDEC) JC42.4 specification for Grade B temperature sensors, providing ±1°C temperature sensing accuracy over the entire temperature range of -20°C to +125°C, providing greater system accuracy. The devices also incorporate an innovative analog-to-digital converter (ADC) that delivers programmable resolution up to 12-bits (0.0625°C) with industry-leading conversion time, dramatically improving the overall precision of thermal control loops across temperature.

“IDT is well known for working with our customers to integrate embedded temperature sensors in our Advanced Memory Buffers and PCI Express switches. This allows us to provide customers with unparalleled power savings and adheres to our PowerSmart initiative,” said Mario Montana, vice president and general manager of the Enterprise Computing Division at IDT. “These new devices further leverage that expertise culminating in stand-alone temperature sensors with precision that exceeds industry standards.”

In addition, SMBus and I2C programming interfaces are fully supported, including SMBus timeout and I2C fast mode, input glitch filtering and power-up voltage hysteresis — all designed to enhance fault tolerance. This combination of performance and features make the IDT devices a perfect fit for robust computing systems with improved performance per watt.

Pricing and Availability

The IDT temperature sensor devices are currently sampling to qualified customers. They are available in 8-pin DFN and TDFN packages that are RoHS compliant. The TSE2002B3 is priced at $0.85 for 10,000 unit quantities and the TS3000B3 is priced at $0.75 for 10,000 unit quantities. For additional information on the devices, visit

About IDT

With the goal of continuously improving the digital media experience, IDT integrates its fundamental semiconductor heritage with essential innovation, developing and delivering low-power, mixed signal solutions that solve customer problems. Headquartered in San Jose, Calif., IDT has design, manufacturing and sales facilities throughout the world. IDT stock is traded on the NASDAQ Global Select Stock Market® under the symbol “IDTI.” Additional information about IDT is available at

IDT and the IDT logo are trademarks or registered trademarks of Integrated Device Technology, Inc. All other brands, product names and marks are or may be trademarks or registered trademarks used to identify products or services of their respective owners.


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