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参数资料
| 型号： | DS18B20U |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | Switch/Digital Output Temperature Sensor |
| 英文描述： | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 0.50Cel, SQUARE, SURFACE MOUNT |
| 封装： | USOP-8 |
| 文件页数： | 5/22页 |
| 文件大小： | 255K |
| 代理商： | DS18B20U |
DS18B20
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Figure 11. ROM Commands Flowchart
CCh
SKIP ROM
COMMAND
MASTER TX
RESET PULSE
DS18B20 TX
PRESENCE
PULSE
MASTER TX ROM
COMMAND
33h
READ ROM
COMMAND
55h
MATCH ROM
COMMAND
F0h
SEARCH ROM
COMMAND
ECh
ALARM SEARCH
COMMAND
MASTER TX
BIT 0
DS18B20 TX BIT 0
MASTER TX BIT 0
BIT 0
MATCH?
MASTER TX
BIT 1
MATCH?
BIT 63
MATCH?
MASTER TX
BIT 63
N
Y
N
Y
DS18B20 TX BIT 1
MASTER TX BIT 1
DS18B20 TX BIT 63
MASTER TX BIT 63
BIT 0
MATCH?
BIT 1
MATCH?
BIT 63
MATCH?
N
Y
DS18B20 TX
FAMILY CODE
1 BYTE
DS18B20 TX
SERIAL NUMBER
6 BYTES
DS18B20 TX
CRC BYTE
DS18B20 TX BIT 0
MASTER TX BIT 0
N
Y
DEVICE(S)
W ITH ALARM
FLAG SET?
Initialization
Sequence
MASTER TX
FUNCTION
COMMAND
(FIGURE 12)
相关PDF资料 |
PDF描述 |
|---|---|
| DS18B20U/T&R | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 0.50Cel, SQUARE, SURFACE MOUNT |
| DS18S20-PAR/T&R | DIGITAL TEMP SENSOR-SERIAL, 9BIT(s), 0.50Cel, ROUND, THROUGH HOLE MOUNT |
| DS18S20-PAR | DIGITAL TEMP SENSOR-SERIAL, 9BIT(s), 0.50Cel, ROUND, THROUGH HOLE MOUNT |
| DS18S20Z | DIGITAL TEMP SENSOR-SERIAL, 9BIT(s), 0.50Cel, RECTANGULAR, SURFACE MOUNT |
| DS18S20 | DIGITAL TEMP SENSOR-SERIAL, 9BIT(s), 0.50Cel, RECTANGULAR, THROUGH HOLE MOUNT |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DS18B20U/T&R | 制造商:Maxim Integrated Products 功能描述:1-WIRE DIGITAL THERMOMETER USOP T&R - Tape and Reel |
| DS18B20U/T&R-W | 制造商:Maxim Integrated Products 功能描述:1-WIRE DIGITAL THERMOMETER USOP T&R - Tape and Reel |
| DS18B20U/T&R | 功能描述:板上安装温度传感器 RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| DS18B20U+ | 功能描述:板上安装温度传感器 Prgmble Resolution 1-Wire Parasite Pwr RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| DS18B20U+ | 制造商:Maxim Integrated Products 功能描述:TEMPERATURE SENSOR IC |
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