參數(shù)資料
型號: SE97BTP,547
廠商: NXP Semiconductors
文件頁數(shù): 35/53頁
文件大?。?/td> 386K
描述: IC TEMP SENSOR DIMM 8HWSON
產(chǎn)品培訓(xùn)模塊: I²C Bus Fundamentals
特色產(chǎn)品: NXP - I2C Interface
標(biāo)準(zhǔn)包裝: 1
功能: 溫度監(jiān)控系統(tǒng)(傳感器),DIMM DDR 內(nèi)存
傳感器類型: 內(nèi)部
感應(yīng)溫度: -40°C ~ 125°C
精確度: ±3°C(最小值)
拓?fù)洌?/td> ADC(三角積分型),比較器,寄存器庫
輸出類型: I²C?/SMBus?
輸出警報(bào):
輸出風(fēng)扇:
電源電壓: 3 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)品目錄頁面: 847 (CN2011-ZH PDF)
其它名稱: 568-5055-6
SE97B_1
?NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 01  27 January 2010
35 of 53
NXP Semiconductors
SE97B
DDR memory module temp sensor with integrated SPD
9.   Application design-in information
In a typical application, the SE97B behaves as a slave device and interfaces to a bus
master (or host) via the SCL and SDA lines. The EVENT
 output is monitored by the host,
and asserts when the temperature reading exceeds the programmed values in the alarm
registers. The A0, A1 and A2 pins are directly connected to V
DD
 or V
SS
 without any pull-up
resistors. The SDA and SCL serial interface pins are open-drain I/Os that require pull-up
resistors, and are able to sink a maximum 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 19.   Typical application showing SE97B interfacing with 3.3 V host
002aae313
HOST
CONTROLLER
SE97B
A0
A1
A2
SCL
SDA
EVENT
V
DD
10 k?/DIV>
(3?
V
SS
slave
master
3.3 V
Fig 20.   SE97B interfacing with 1.0 V host controller
002aae314
HOST
CONTROLLER
SE97B
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
1.0 V ?5 %
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