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參數(shù)資料
| 型號： | DS1856E-025R |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Dual, Temperature-Controlled Resistors with Internally Calibrated Monitors and Password Protection |
| 中文描述： | 雙路，溫度與內(nèi)部校準(zhǔn)監(jiān)視器和控制電阻器，密碼保護(hù) |
| 文件頁數(shù)： | 29/31頁 |
| 文件大?。?/td> | 484K |
| 代理商： | DS1856E-025R |
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D
Dual, Temperature-Controlled Resistors with Inter-
nally Calibrated Monitors and Password Protection
____________________________________________________________________
29
Stop data transfer:
A change in the state of the data
line from low to high while the clock line is high defines
the STOP condition.
Data valid:
The state of the data line represents valid
data when, after a START condition, the data line is sta-
ble for the duration of the high period of the clock signal.
The data on the line can be changed during the low peri-
od of the clock signal. There is one clock pulse per bit of
data. Figures 5 and 6 detail how data transfer is accom-
plished on the 2-wire bus. Depending on the state of the
R/
W
bit, two types of data transfer are possible.
Each data transfer is initiated with a START condition
and terminated with a STOP condition. The number of
data bytes transferred between START and STOP con-
ditions is not limited and is determined by the master
device. The information is transferred byte-wise and
each receiver acknowledges with a ninth bit.
STOP
CONDITION
OR REPEATED
START
CONDITION
REPEATED IF MORE BYTES
ARE TRANSFERRED
ACK
START
CONDITION
ACK
ACKNOWLEDGEMENT
SIGNAL FROM RECEIVER
ACKNOWLEDGEMENT
SIGNAL FROM RECEIVER
SLAVE ADDRESS
MSB
SCL
SDA
R/W
DIRECTION
BIT
1
2
6
7
8
9
1
2
8
9
3–7
Figure 5. 2-Wire Data Transfer Protocol
SDA
SCL
t
HD:STA
t
LOW
t
HIGH
t
R
t
F
t
BUF
t
HD:DAT
t
SU:DAT
REPEATED
START
t
SU:STA
t
HD:STA
t
SU:STO
t
SP
STOP
START
Figure 6. 2-Wire AC Characteristics
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1856E-025T | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Dual, Temperature-Controlled Resistors with Internally Calibrated Monitors and Password Protection |
| DS1856E-030 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Dual, Temperature-Controlled Resistors with Internally Calibrated Monitors and Password Protection |
| DS1856E-030/R | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Dual, Temperature-Controlled Resistors with Internally Calibrated Monitors and Password Protection |
| DS1856E-030/T | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Dual, Temperature-Controlled Resistors with Internally Calibrated Monitors and Password Protection |
| DS1856E-030+ | 功能描述:數(shù)字電位計(jì) IC Dual Temp-Controlled Resistors RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
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