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參數(shù)資料
| 型號(hào)： | DS1822-PAR/T&R |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | Switch/Digital Output Temperature Sensor |
| 英文描述： | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, THROUGH HOLE MOUNT |
| 封裝： | TO-92, 3 PIN |
| 文件頁(yè)數(shù)： | 7/19頁(yè) |
| 文件大?。?/td> | 206K |
| 代理商： | DS1822-PAR/T&R |
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DS1822-PAR
15 of 19
resister. Output data from the DS1822-PAR is valid for 15
μs after the falling edge that initiated the read-
time slots. Therefore, the master must release the bus and then sample the bus state within 15
μs from the
start of the slot.
Figure 13 illustrates that the sum of TINIT, TRC, and TSAMPLE must be less than 15μs for a read-time slots.
Figure 14 shows that system timing margin is maximized by keeping TINIT and TRC as short as possible
and by locating the master sample time during read-time slots towards the end of the 15
μs period.
DETAILED MASTER READ 1 TIMING Figure 13
RECOMMENDED MASTER READ 1 TIMING Figure 14
RELATED APPLICATION NOTES
The following Application Notes can be applied to the DS1822-PAR. These notes can be obtained from
the Dallas Semiconductor “Application Note Book,” via the Dallas website at http://www.dalsemi.com/,
or through our faxback service at (214) 450-0441.
Application Note 27: Understanding and Using Cyclic Redundancy Checks with Dallas Semiconductor
Touch Memory Product
Application Note 55: Extending the Contact Range of Touch Memories
Application Note 74: Reading and Writing Touch Memories via Serial Interfaces
Application Note 104: Minimalist Temperature Control Demo
Application Note 106: Complex MicroLANs
Application Note 108: MicroLAN—In the Long Run
Application
Note
162:
Interfacing
the
DS18X20/DS1822
1-Wire
Temperature
Sensor
in
a
Microcontroller Environment
Sample 1-Wire subroutines that can be used in conjunction with AN74 can be downloaded from the
Dallas website or anonymous FTP Site.
VPU
GND
1-WIRE BUS
15
μs
VIH of Master
TRC
TINT > 1μs
Master samples
LINE TYPE LEGEND
Bus master pulling low
Resistor pullup
VPU
GND
1-WIRE BUS
15
μs
VIH of Master
TRC =
small
TINT =
small
Master samples
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS1822-PAR | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 0.20Cel, ROUND, THROUGH HOLE MOUNT |
| DS1822Z/T&R | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT |
| DS1822/T&R | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, THROUGH HOLE MOUNT |
| DS1822 | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, THROUGH HOLE MOUNT |
| DS1822+T&R | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, THROUGH HOLE MOUNT |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS-18-22-RS | 制造商:TE Connectivity 功能描述:Red sealed splice terminal,0.5-1.5sq.mm |
| DS1822-W | 制造商:Maxim Integrated Products 功能描述:1-WIRE DIGITAL THERMOMETER SOIC - Rail/Tube |
| DS1822Z | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)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(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| DS1822Z/T | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Econo 1-Wire Digital Thermometer |
| DS1822Z/T&R | 制造商:Maxim Integrated Products 功能描述:1-WIRE DIGITAL THERMOMETER SOIC T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERMOMETER ECONO DIG 8-SOIC |
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