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參數資料
| 型號： | SE98ATP,547 |
| 廠商： | NXP Semiconductors |
| 文件頁數： | 15/43頁 |
| 文件大小： | 849K |
| 描述： | IC TEMP SENSOR DDR 8-HWSON |
| 產品培訓模塊： | I²C Bus Fundamentals |
| 標準包裝： | 1 |
| 功能： | 溫度監控系統（傳感器） |
| 傳感器類型： | 內部 |
| 感應溫度： | -40°C ~ 125°C |
| 精確度： | ±4°C（最小值） |
| 拓撲： | ADC（三角積分型），寄存器庫 |
| 輸出類型： | I²C?/SMBus? |
| 輸出警報： | 是 |
| 輸出風扇： | 是 |
| 電源電壓： | 1.7 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-WFDFN 裸露焊盤 |
| 供應商設備封裝： | 8-WSON |
| 包裝： | 標準包裝 |
| 產品目錄頁面： | 847 (CN2011-ZH PDF) |
| 其它名稱： | 568-4731-6 |
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SE98A_4
?NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04 25 November 2009
15 of 43
NXP Semiconductors
SE98A
DDR memory module temp sensor, 1.7 V to 3.6 V
7.10 Hot plugging
The SE98A can be used in hot plugging applications. Internal circuitry prevents damaging
current backflow through the device when it is powered down, but with the I
2
C-bus,
EVENT
or address pins still connected. The open-drain SDA and EVENT
pins (SCL and
address pins are input only) effectively places the outputs in a high-impedance state
during power-up and power-down, which prevents driver conflict and bus contention. The
50 ns noise filter will filter out any insertion glitches from the state machine, which is very
robust and not prone to false operation.
The device needs a proper power-up sequence to reset itself, not only for the device
I
2
C-bus and I/O initial states, but also to load specific pre-defined data or calibration data
into its operational registers. The power-up sequence should occur correctly with a fast
ramp rate and the I
2
C-bus active. The SE98A might not respond immediately after
power-up, but it should not damage the part if the power-up sequence is abnormal. If the
SCL line is held LOW, the part will not exit the power-on reset mode since the part is held
in reset until SCL is released.
A = ACK = Acknowledge bit. NA = Not Acknowledge bit. W = Write bit = 0. R = Read bit = 1.
Fig 11. SMBus/I
2
C-bus word read from register with a pre-set pointer
1 2
3
4
5
6
7
8
9
D15 D14 D13 D12 D11 D10 D9
D8
returned most significant byte data
A
ACK
by host
SCL
SDA
1
2
3
4
5
6
7
8
9
SCL
A6
A5
A4
A3
A2
A1
A0
SDA
device address and read
R
A
ACK
by device
(cont.)
(cont.)
002aab414
1
2
3
4
5
6
7
8
9
D7
D6
D5
D4
D3
D2
D1
D0
returned least significant byte data
P
STOP
NA
NACK
by host
S
START
by host
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相關代理商/技術參數 |
參數描述 |
|---|---|
| SE98PW | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:SO-DIMM SMBus/I2C-bus temperature sensor |
| SE98PW,118 | 功能描述:板上安裝溫度傳感器 I2C LOCAL +/- 2OC RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| SE98PW-T | 功能描述:板上安裝溫度傳感器 I2C LOCAL +/- 2OC TS DIMM RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| SE98TK | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:DDR memory module temp sensor, 3.3 V |
| SE98TK,118 | 功能描述:板上安裝溫度傳感器 I2C LOCAL +/- 2OC RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
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