STTS424

STTS424 Memory module temperature sensor Data Brief Features ■ Temperature sensor compliant with JEDEC JC42.4 Temperature sensor ■ ■ Temperature sensor resolution: 0.25°C (typ)/LSB Temperature sensor accuracy: – ± 1°C from +75°C to +95°C – ± 2°C from +40°C to +125°C – ± 3°C from –40°C to +125°C ADC conversion time: 125ms (max) Supply voltage: 2.7V to 3.6 V Maximum operating supply current: 200µA Hysteresis selectable set points from: 0, 1.5, 3, 6.0°C Ambient temperature sensing range: -40°C to 125°C ■ ■ ■ ■ ■ DFN8 (DA) 2mm x 3mm Two-wire bus ■ ■ 2-Wire SMBus/I2C -compatible serial interface Supports up to 100kHz transfer rate TSSOP8 (DW) 4.4mm x 3mm Packages ■ ■ ■ 2mm x 3mm DFN8, height: 0.85mm (typ) 4.4mm x 3mm TSSOP8(a) Halogen-free, lead-free www.DataSheet4U.com a. Contact local ST sales office for availability. August 2007 Rev 1 1/7 www.st.com 1 For further information contact your local STMicroelectronics sales office. Description STTS424 Description The STTS424 is targeted for DIMM modules in Mobile Personal Computing Platforms (Laptops), Server Memory Modules, and other industrial applications. The thermal sensor (TS) in the STTS424 is fully compliant to the JEDEC 42.4 specification which defines Memory Module Thermal Sensors requirements for Mobile platforms. The TS provides space as well as cost savings for Mobile and Server Platform Dual Inline Memory Modules (DIMM) manufacturers, as it is packaged in the compact 2mm x 3mm 8lead DFN package which ...