STTS424(2009) Datasheet PDF - STMicroelectronics

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 with the JEDEC specification which defines memory module thermal sensors requirements for mobile platforms.

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: 125 ms (max)
■ Supply voltage: 2.7 V to 3.6 V
■ Maximum operating supply current: 200 µA
■ Hysteresis selectable set points from: 0, 1.5, 3,
   6.0°C
■ Ambient temperature sensing range: –40°C to
   125°C
■ Supports bus timeout

Two-wire bus
■ 2-wire SMBus/I2C - compatible serial interface
■ Supports up to 400 kHz transfer rate
■ Does not initiate clock stretching

Packages
■ 2 mm x 3 mm TDFN8, height: 0.80 mm (max)(a)
■ RoHS compliant, halogen-free