Microchip Technology Inc.’s MCP98243 digital temperature sensor converts temperature from -40°C and +125°C to a digital word. This sensor meets JEDEC Specification JC42.4 Mobile Platform Memory Module Thermal Sensor Component. It provides an accuracy of ±0.5°C/±1°C (typical/maximum) from +75°C to +95°C. In addition, this device has an internal 256 Byte EEPROM which can be used to store memory module and vendor information.

  Meets JEDEC Specification JC42.4

  Temperature Sensor + 2 Kbit Serial EEPROM

  EEPROM for Serial Presence Detect (SPD)

  Optimized for Voltage Range: 3.0V to 3.6V

  Shutdown/Standby Current: 3 µA (max.)

  2-wire I2C™/SMBus Interface

  meets 25ms to 35ms SMbus timeout

  Available Packages:

  DFN-8, TDFN-8, UDFN-8, TSSOP-8

  AEC-Q100 Qualified Grade 1

  Serial EEPROM Features

  Operating Current:

  Write  1.1 mA (typical) for 3.5 ms (typical)

  Read  100 µA (typical)

  Permanent and Reversible Software Write Protect

  Software Write Protection for the lower 1 Kbit

  Organized as 1 block of 256 x 8-bit (2 Kbit)

  Temperature Sensor Features

  Class B — Temperature-to-Digital Converter

  Sensor Accuracy:

  ±0.5°C/±1°C (typ./max.) +75°C to +95°C

  ±1°C/±2°C (typ./max.) +40°C to +125°C

  ±2°C/±3°C (typ./max.)  -20°C to +125°C

  Operating Current: 200 µA (typical)