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参数资料
| 型号： | DS2408S+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 36/39页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH 8-CHAN ADDRESS 16SOIC |
| 标准包装： | 2,500 |
| 接口： | 1 线 |
| 输入/输出数： | 8 |
| 中断输出： | * |
| 电源电压： | 2.8 V ~ 5.25 V |
| 工作温度： | * |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 带卷 (TR) |
| 包括： | * |
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DS2408
6 of 39
APPLICATION
The DS2408 is a multipurpose device. Typical applications include port expander for microcontrollers,
remote multichannel sensor/actuator, communication and control unit of a microterminal, or as network
interface of a microcontroller. Typical application circuits and communication examples are found later
in this data sheet (Figures 17 to 22).
OVERVIEW
Figure 1 shows the relationships between the major function blocks of the DS2408. The device has two
main data components: 1) 64-bit lasered ROM, and 2) 64-bit register page of control and status registers.
Figure 2 shows the hierarchical structure of the 1-Wire protocol. The bus master must first provide one of
the eight ROM function commands: 1) Read ROM, 2) Match ROM, 3) Search ROM, 4) Conditional
Search ROM, 5) Skip ROM, 6) Overdrive-Skip ROM, 7) Overdrive-Match ROM, or 8) Resume. Upon
completion of an Overdrive ROM command byte executed at standard speed, the device will enter
overdrive mode, where all subsequent communication occurs at a higher speed. The protocol required for
these ROM function commands is described in Figure 12. After a ROM function command is success-
fully executed, the control functions become accessible and the master may provide any one of the five
available commands. The protocol for these control commands is described in Figure 8. All data is read
and written least significant bit first.
Figure 1. DS2408 BLOCK DIAGRAM
VCC
64-BIT
LASERED ROM
CRC16
GENERATOR
REGISTER
PAGE
REGISTER
FUNCTION
CONTROL
1-WIRE
FUNCTION
CONTROL
PORT
FUNCTION
CONTROL
I/O
GND
PARASITE POWER
INTERNAL VCC
PORT
INTER-
FACE
RSTZ
P0
P1
P2
P3
P4
P5
P6
P7
相关PDF资料 |
PDF描述 |
|---|---|
| DS2409P/T&R | IC COUPLER MICROLAN 1-WIRE 6TSOC |
| DS2411P+T&R | IC SILICON SERIAL NUMBER 6TSOC |
| DS2413Q+T&R | IC SWITCH 2CH ADDRESS 6-TDFN |
| DS2480B+ | IC LINE DRVR W/SENSOR 1-W 8-SOIC |
| DS2482X-100+T | IC MASTER I2C-1WIRE 1CH 9-WLP |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2409 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:MicroLAN Coupler |
| DS2409FRAB0 | 制造商:Thomas & Betts 功能描述:200A,REC,3P4W,MG,3P220V,SC |
| DS2409MP000 | 制造商:Thomas & Betts 功能描述:200A,PLG,3P4W,MG,409,3P220V |
| DS2409P | 功能描述:接口 - 专用 RoHS:否 制造商:Texas Instruments 产品类型:1080p60 Image Sensor Receiver 工作电源电压:1.8 V 电源电流:89 mA 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:BGA-59 |
| DS2409P/T&R | 制造商:Maxim Integrated Products 功能描述:IC COUPLER MICROLAN 1-WIRE 6TSOC |
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