參數(shù)資料
型號(hào): SE98ATP,547
廠商: NXP Semiconductors
文件頁(yè)數(shù): 27/43頁(yè)
文件大?。?/td> 849K
描述: IC TEMP SENSOR DDR 8-HWSON
產(chǎn)品培訓(xùn)模塊: I²C Bus Fundamentals
標(biāo)準(zhǔn)包裝: 1
功能: 溫度監(jiān)控系統(tǒng)(傳感器)
傳感器類型: 內(nèi)部
感應(yīng)溫度: -40°C ~ 125°C
精確度: ±4°C(最小值)
拓?fù)洌?/td> ADC(三角積分型),寄存器庫(kù)
輸出類型: I²C?/SMBus?
輸出警報(bào):
輸出風(fēng)扇:
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(yīng)商設(shè)備封裝: 8-WSON
包裝: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁(yè)面: 847 (CN2011-ZH PDF)
其它名稱: 568-4731-6
SE98A_4
?NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04  25 November 2009
27 of 43
NXP Semiconductors
SE98A
DDR memory module temp sensor, 1.7 V to 3.6 V
9.   Application design-in information
In a typical application, the SE98A behaves as a slave device and interfaces to the master
(or host) via the SCL and SDA lines. The host monitors the EVENT
 output pin, which is
asserted when the temperature reading exceeds the programmed values in the alarm
registers. The A0, A1 and A2 pins are directly connected to the shared SPDs A0, A1 and
A2 pins, otherwise they must be pulled HIGH or LOW. The SDA and SCL serial interface
pins are open-drain and require pull-up resistors, and are able to sink a maximum current
of 3 mA with a voltage drop less than 0.4 V. Typical pull-up values for SCL and SDA are
10 k? but the resistor values can be changed in order to meet the rise time requirement if
the capacitance load is too large due to routing, connectors, or multiple components
sharing the same bus.
 
 
Fig 13.   Typical application
002aad900
HOST
CONTROLLER
SE98A
A0
A1
A2
SCL
SDA
EVENT
V
DD
10 k?/DIV>
(3?
V
SS
slave
master
SPD
A0
A1
A2
V
DD
V
SS
SCL
SDA
Fig 14.   SE98A interfacing with 1.1 V host controller
002aad75
HOST
CONTROLLER
SE98A
A0
A1
A2
SCL
SDA
EVENT
V
DD
10 k?/DIV>
V
SS
3.3 V
0.1 糉
10 k?/DIV>
PCA9509
mother board
0.1 糉
V
CC(B)
B2
B1
EN
V
CC(A)
A2
A1
10 k?/DIV>
10 k?/DIV>
SCL
SDA
EVENT
0.1 糉
1.1 V
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