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SE98A - DDR Memory Module Temp Sensor

General Description

The NXP Semiconductors SE98A measures temperature from

40 °C and +125 °C with JEDEC Grade B ±1 °C accuracy between +75 °C and +95 °C communicating via the I2C-bus/SMBus.

Key Features

  • JEDEC (JC-42.4) TS3000B1 DIMM ± 0.5 °C (typ. ) between 75 °C and 95 °C temperature sensor.
  • Optimized for voltage range: 1.7 V to 3.6 V.
  • Shutdown current: 0.1 μA (typ. ) and 5.0 μA (max. ).
  • 2-wire interface: I2C-bus/SMBus compatible, 0 Hz to 400 kHz.
  • SMBus ALERT and.

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Full PDF Text Transcription (Reference)

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SE98A DDR memory module temp sensor, 1.7 V to 3.6 V Rev. 04 — 25 November 2009 Product data sheet 1. General description The NXP Semiconductors SE98A measures temperature from −40 °C and +125 °C with JEDEC Grade B ±1 °C accuracy between +75 °C and +95 °C communicating via the I2C-bus/SMBus. It is typically mounted on a Dual In-Line Memory Module (DIMM) measuring the DRAM temperature in accordance with the new JEDEC (JC-42.4) Mobile Platform Memory Module Thermal Sensor Component specification. The SE98A thermal sensor operates over the VDD range of 1.7 V to 3.6 V. The SE98A does not include the 2 k SPD and is designed for custom DIMM where larger SPD is required.