NXP Semiconductors SE97B Temp Sensor with Onboard EEPROM

The NXP Semiconductors SE97B Temp Sensor measures temperature from -40°C to +125ºC with JEDEC Grade B ±1°C maximum accuracy between +75°C and +95°C critical zone and also provides 256 bytes of EEPROM memory communicating via the I²C/SMBus. The NXP Semiconductors SE97B Temp Sensor is typically mounted on a DDR3 dual in-line memory module (DIMM) measuring the DRAM temperature in accordance with the new JEDEC (JC-42.4) Mobile Platform Memory Module Temperature Sensor Component specification and also replacing the Serial Presence Detect (SPD). The NXP Semiconductors SE97B Temp Sensor with onboard EEPROM is designed for use in a variety of applications, including DDR2 and DDR3 memory modules, laptops, PCs, servers, hard disk drives, PC peripherals, and enterprise networking.

Features

  • JEDEC (JC-42.4) DIMM temperature sensor plus 256-byte serial EEPROM for Serial Presence Detect (SPD)
  • SDA open-drain output design for best operation in distributed multi-point applicaons
  • Shutdown current: 0.1 μA (typ.) and 5.0 μA (max.)
  • Power-on reset: 1.8 V (typ.)
  • 2-wire interface: I2C-bus/SMBus compatible, 0 Hz to 400 kHz
  • SMBus Alert Response Address and TIMEOUT 25 ms to 35 ms (programmable)
  • ESD protection exceeds 2500 V HBM per JESD22-A114, 250 V MM per JESD22-A115, and 1000 V CDM per JESD22-C101
  • Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA
  • Available in HWSON8 package

Applications

  • DDR2 and DDR3 memory modules
  • Laptops, personal computers and servers
  • Enterprise networking
  • Hard disk drives and other PC peripherals
Publié le: 2010-05-11 | Mis à jour le: 2022-03-11