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参数资料
| 型号： | SE98ATP,547 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 1/43页 |
| 文件大小： | 849K |
| 描述： | IC TEMP SENSOR DDR 8-HWSON |
| 产品培训模块： | I²C Bus Fundamentals |
| 标准包装： | 1 |
| 功能： | 温度监控系统（传感器） |
| 传感器类型： | 内部 |
| 感应温度： | -40°C ~ 125°C |
| 精确度： | ±4°C（最小值） |
| 拓扑： | ADC（三角积分型），寄存器库 |
| 输出类型： | I²C?/SMBus? |
| 输出警报： | 是 |
| 输出风扇： | 是 |
| 电源电压： | 1.7 V ~ 3.6 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WFDFN 裸露焊盘 |
| 供应商设备封装： | 8-WSON |
| 包装： | 标准包装 |
| 产品目录页面： | 847 (CN2011-ZH PDF) |
| 其它名称： | 568-4731-6 |
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1. General description
The NXP Semiconductors SE98A measures temperature from 40 癈 and +125 癈 with
JEDEC Grade B ? 癈 accuracy between +75 癈 and +95 癈 communicating via the
I
2
C-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 V
DD
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.
The Temp Sensor (TS) consists of an Analog-to-Digital Converter (ADC) that monitors
and updates its own temperature readings 8 times per second, converts the reading to a
digital data, and latches them into the data temperature registers. User-programmable
registers, such as Shutdown or Low-power modes and the specification of temperature
event and critical output boundaries, provide flexibility for DIMM temperature-sensing
applications.
When the temperature changes beyond the specified boundary limits, the SE98A outputs
an EVENT
signal using an open-drain output that can be pulled up between 0.9 V and
3.6 V. The user has the option of setting the EVENT
output signal 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 EVENT
output
can even be configured as a critical temperature output.
The SE98A supports the industry-standard 2-wire I
2
C-bus/SMBus serial interface. The
SMBus TIMEOUT function is supported to prevent system lock-ups. Manufacturer and
Device ID registers provide the ability to confirm the identify of the device. Three address
pins allow up to eight devices to be controlled on a single bus.
The SE98A is an improved SE98 and is comparable to the thermal sensor in the SE97 but
with voltage range of 1.7 V to 3.6 V.
2. Features
JEDEC (JC-42.4) TS3000B1 DIMM ?0.5 癈 (typ.) between 75 癈 and 95 癈
temperature sensor
Optimized for voltage range: 1.7 V to 3.6 V
Shutdown current: 0.1 糀 (typ.) and 5.0 糀 (max.)
2-wire interface: I
2
C-bus/SMBus compatible, 0 Hz to 400 kHz
SMBus ALERT and TIMEOUT (programmable)
11-bit ADC Temperature-to-Digital converter with 0.125 癈 resolution
SE98A
DDR memory module temp sensor, 1.7 V to 3.6 V
Rev. 04 25 November 2009
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SE98PW | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:SO-DIMM SMBus/I2C-bus temperature sensor |
| SE98PW,118 | 功能描述:板上安装温度传感器 I2C LOCAL +/- 2OC RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| SE98PW-T | 功能描述:板上安装温度传感器 I2C LOCAL +/- 2OC TS DIMM RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| SE98TK | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:DDR memory module temp sensor, 3.3 V |
| SE98TK,118 | 功能描述:板上安装温度传感器 I2C LOCAL +/- 2OC RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
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