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SE98A
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SE98A

  • 所属类别:传感器
  • 产品名称:热传感器
  • 厂商:NXP
  • 生产批号:12+
  • 封装:TSSOP-8
  • 库存状态:有库存
  • 库存量:1920
  • 最低订购量:1
  • 详细资料:点击查找SE98A的pdf资料
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  • Product Introduction

SE98A thermal sensor

The SE98A thermal sensor operates in the V DD range of 1.7 V to 3.6 V, and the SE98A does not include customization of 2K SPD designs that require larger SPD DIMMs.

The Air Temperature Sensor (TS) includes an analog-to-digital converter (ADC) that monitors and updates its own temperature readings 8 times per second, converts it into a reading of digital data, and locks to a data temperature register. User-programmable registers such as shutdown or low-power modes and specification temperature events and critical output boundaries provide flexibility for DIMM temperature sensing applications.

When the temperature changes beyond the specified boundary limit, the SE98A outputs an alarm signal, using an open-drain output, which can be pulled between 0.9 V and 3.6 V with a user's choice of settings to output the signal with an active low or high active comparator output for thermostat operation, or a temperature event interrupt output for microprocessor-based systems. The event output can even be configured as a critical temperature output.

The SE98A supports industry-standard 2-wire I²C-bus/SMBus serial interfaces. Support for SMBus timeout function to prevent system locking. Manufacturer and device ID registers to confirm the device's ability to recognize. The three address pins allow up to 8 devices to be controlled on a single bus.

The SE98A is a thermal sensor comparable to the SE98 in the SE97, but with a voltage range of 1.7 V to 3.6 V.

Features and Benefits:

  • JEDEC (JC-42.4) TS3000B1 DIMM 0.5°C (typical) temperature sensor at 75ºC and 95ºC
  • Optimized voltage range: 1.7 V to 3.6 V
  • Shutdown Current: 0.1μA (typical) and 5.0μA (maximum)
  • 2-wire interface: I2C-bus/SMBus compatible, 0 Hz to 400 kHz
  • SMBus alarm and TIMEOUT (programmable)
  • 11-bit ADC temperature-to-digital converter with 0.125ºC resolution
  • Operating Current: 250μA (typical) and 400μA (max)
  • Programmable Cycle Voltage Threshold: 0ºC, 1.5°C, 3°C, 6°C
  • Critical temperature above/below/event output
  • Class B Accuracy:
    • ±0.5ºC /±1ºC (typical/maximum) » +75ºC to +95ºC
    • ±1ºC /±2°C (typical/maximum) +40ºC to +125ºC
    • ±2°C / ±3°C (typical/maximum). »-40ºC to +125ºC
  • ESD protection over 2000 V HBM JESD22-A114, 250 V MM per JESD22-A115, and 1000 V CDM per JESD22-C101
  • Latching tests are for JEDEC standard JESD78 exceeding 100 mA
  • Available packages: TSSOP8, HWSON8 (PSON8 VCED-3) and HXSON8

    apply

    • DDR2 and DDR3 memory modules
    • Laptops, PCs, and servers
    • Enterprise networking
    • Hard drives and other PC peripherals //www.chip100.com/

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