For product comparison, please consider:

  Meets JEDEC JC42.4 Mobile Platform Memory Module Thermal Sensor specification plusincludes DDR2 compatible Serial Presence Detect (SPD) 2k bit serial EEPROM

  Temperature Sensor Features:

  Critical Event output pin

  User-programmalbe settings for shutdown modes, Event and critical output limits,and hysteresis limits

  Resolution of 0.25°C per LSB

  ±1°C Max accuracy from +75°C to +95°C

  ±3°C Max accuracy from -20°C to +125°C

  Serial EEPROM Features:

  DDR2 compatible SPD functionality

  S/W write protection of lower half of array

  Clear Write Protect functionality

  Permanent Write Protect functionality

  General Features:

  Low Operating Current: 200 µA typical (for temp sensor)

  2-wire I²C™/SMBus Compatible Interface

  8-pin TSSOP and 2mm x 3mm 8-pin DFN Packages