Temp Sensor with Integrated EEPROM for Memory

The TSE2002GB2A1 digital temperature sensor with accuracy up to ±0.5°C was designed to target applications demanding highest level of temperature readout. The device also contains 256 Byte EEPROM for storage of vendor information and system configuration such as SPD for DIMM modules. The sensor and the EEPROM are fully compliant with JEDEC JC42.4 Component Specification. The digital temperature sensor comes with several user-programmable registers to provide maximum flexibility for temperature-sensing applications. The registers allow specifying critical, upper, and lower temperature limits as well as hysteresis settings. Both the limits and hysteresis values are used for communicating temperature events from the chip to the system. This communication is done using Event pin, which has an open-drain configuration. The user has the option of setting the Event pin polarity as either an active-low or active-high comparator output for thermostat operation, or as a temperature event interrupt output for microprocessor-based systems. The sensor uses an industry standard 2-wire, I2C/SMBus serial interface, and allows up to eight devices to be controlled on the bus. The 2Kbit (256 Bytes) serial EEPROM memory in the part is organized as a single block. Half the bytes in memory locations 00h to 7Fh can be permanently locked with user defined or vendor defined information. The protected data could also contain system information such as access speed, size, and organization. The 128 bytes in addresses from 80h to FFh can be used for general purpose data storage. These addresses are not write-protected.

• Temperature Sensor + 256 Byte Serial EEPROM
• 256 Byte Serial EEPROM for SPD
• Single Supply: 3V to 3.6V
• Accurate timeout support - Meets strict SMBus spec of 25ms (min), 35ms (max)
• Timeout supported for Temp Sensor and EEPROM
• Timeout supported in all Modes
  • Active mode for Temp sensor and EEPROM
  • EEPROM in standby or Temp sensor in shutdown
  • EEPROM in standby and Temp sensor in shutdown
• Schmitt trigger and noise filtering on bus inputs
• 2-wire Serial Interface: 10-400 kHz I2C™ /SMBus™
• Available Packages: DFN-8, TDFN-8