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DS1481S+

更新时间： 2024-02-29 07:37:51
品牌 Logo 应用领域
美信 - MAXIM 光电二极管外围集成电路
页数 文件大小 规格书
10页 151K
描述
Microprocessor Circuit, CMOS, PDSO14, 0.150 INCH, SOP-14

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DS1481S+ 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：0.150 INCH, SOP-14针数：14
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.61
JESD-30 代码：R-PDSO-G14长度：8.65 mm
端子数量：14最高工作温度：40 °C
最低工作温度：封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：NOT SPECIFIED
认证状态：Not Qualified座面最大高度：1.75 mm
最大供电电压：5.5 V最小供电电压：2.7 V
标称供电电压：5 V表面贴装：YES
技术：CMOS温度等级：COMMERCIAL
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3.9 mmuPs/uCs/外围集成电路类型：MICROPROCESSOR CIRCUIT
Base Number Matches：1

DS1481S+ 数据手册

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DS1481  
1-Wire Bus Master with Overdrive  
www.maxim-ic.com  
FEATURES  
PIN CONFIGURATION  
ƒ Provides a synchronous interface to Dallas  
Semiconductor 1-Wire devices  
Vcc  
ENI  
1
2
3
4
5
6
7
14  
13  
1
11  
10  
9
I/O  
O  
I1  
ƒ Compatible with low power parallel ports  
(can be used with microcontrollers)  
ƒ Can be cascaded with other DS1481s  
ƒ Allows print spooler and other processes to  
run during 1-Wire I/O  
O1/BSY1  
O2/BSY2  
D/CLK  
RES  
I2  
NC  
NC  
GND  
ƒ Provides high speed communication with  
overdrive capable devices  
NC  
8
ƒ Space saving 14-pin (150 mil), SO package  
ƒ Recommended for short 1-Wire networks  
less than 3 inches. Longer 1-Wire lengths  
can be achieved with the DS2480B.  
14-PIN SO (150 MIL)  
PIN DSCRIPTION  
VCC  
- Supply  
ENI  
CLK  
RES  
- Enable In  
- Data/Clock  
- Reset  
O1/BSY1  
O2/BSY2  
GND  
I1  
- Output 1/Busy 1  
- Output 2/Busy 2  
- Ground  
- Input 1  
I2  
- Input 2  
I/O  
- 1-Wire  
ENO  
NC  
- Enable Out  
- No connection  
DESCRIPTION  
The DS1481 is a dedicad 1-Wire® timing generator. The device is normally used in conjunction with a  
parallel port contror to provide the necessary interface to the host processor. Busy signals allow the  
host processor to perform other tasks while 1-Wire “time-slots” are completed. The DS1481 also saves  
the state of D/CLK and RES, allowing print spoolers to operate without affecting 1-Wire communication.  
DS1481 baed devices can be cascaded. The first device’s O1/BSY1 and O2/BSY2 connect to the PC  
printer po’s BUSY and SELECT OUT signals (pins 11 and 13 respectively). The next DS1481 connects  
its O1/BSY1 and O2/BSY2 to the first device’s I1 and I2 respectively. ENO of the first device connects  
to ENI of the second device. More DS1481s can be stacked in a similar manner. The last device’s I1 and  
I2 connect to BUSY and SELECT of the attached printer.  
1-Wire is a registered trademark of Dallas Semiconductor.  
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