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DS485N/NOPB PDF预览

DS485N/NOPB

更新时间： 2024-11-24 19:45:47
品牌 Logo 应用领域
美国国家半导体 - NSC 驱动光电二极管接口集成电路驱动器
页数 文件大小 规格书
9页 540K
描述
IC LINE TRANSCEIVER, PDIP8, PLASTIC, DIP-8, Line Driver or Receiver

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中文翻译

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DS485N/NOPB 技术参数

是否Rohs认证： 符合生命周期：Transferred
包装说明：DIP, DIP8,.3Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.33差分输出：YES
驱动器位数：1高电平输入电流最大值：0.000002 A
输入特性：DIFFERENTIAL SCHMITT TRIGGER接口集成电路类型：LINE TRANSCEIVER
接口标准：EIA-422; EIA-485; TIA-485JESD-30 代码：R-PDIP-T8
JESD-609代码：e3长度：9.817 mm
湿度敏感等级：1功能数量：1
端子数量：8最高工作温度：70 °C
最低工作温度：最小输出摆幅：1.5 V
最大输出低电流：0.004 A输出极性：COMPLEMENTARY
封装主体材料：PLASTIC/EPOXY封装代码：DIP
封装等效代码：DIP8,.3封装形状：RECTANGULAR
封装形式：IN-LINE峰值回流温度（摄氏度）：260
电源：5 V认证状态：Not Qualified
最大接收延迟：320 ns接收器位数：1
座面最大高度：5.08 mm子类别：Line Driver or Receivers
最大压摆率：0.9 mA标称供电电压：5 V
表面贴装：NO技术：CMOS
温度等级：COMMERCIAL端子面层：Matte Tin (Sn)
端子形式：THROUGH-HOLE端子节距：2.54 mm
端子位置：DUAL处于峰值回流温度下的最长时间：40
最大传输延迟：65 ns宽度：7.62 mm
Base Number Matches：1

DS485N/NOPB 数据手册

 浏览型号DS485N/NOPB的Datasheet PDF文件第2页浏览型号DS485N/NOPB的Datasheet PDF文件第3页浏览型号DS485N/NOPB的Datasheet PDF文件第4页浏览型号DS485N/NOPB的Datasheet PDF文件第5页浏览型号DS485N/NOPB的Datasheet PDF文件第6页浏览型号DS485N/NOPB的Datasheet PDF文件第7页 
July 1998  
DS485  
Low Power RS-485/RS-422 Multipoint Transceiver  
General Description  
Features  
n Meets TIA/EIA RS-485 multipoint standard  
The DS485 is a low-power transceiver for RS-485 and RS-  
422 communication. The device contains one driver and one  
receiver. The drivers slew rate allows for operation up to 2.5  
Mbps (see Applications Information section).  
n Guaranteed full load output voltage (V  
n Low quiescent current: 200 µA typ  
)
OD3  
n −7V to +12V common-mode input voltage range  
n TRI-STATE outputs on driver and receiver  
n AC performance:  
— Driver transition time: 25 ns typ  
— Driver propagation delay: 40 ns typ  
— Driver skew: 1 ns typ  
— Receiver propagation delay: 200 ns typ  
— Receiver skew: 20 ns typ  
n Half-duplex flow through pinout  
n Operates from a single 5V supply  
n Allows up to 32 transceivers on the bus  
n Current-limiting and thermal shutdown for driver  
overload protection  
The transceiver draws 200 µA of supply current when un-  
loaded or fully loaded with the driver disabled and operates  
from a single +5V supply.  
The driver is short-circuit current limited and is protected  
against excessive power dissipation by thermal shutdown  
circuitry that places the driver outputs into TRI-STATE®  
(High Impedance state) under fault conditions. The driver  
guarantees a minimum of 1.5V differential output voltage  
with maximum loading across the common mode range  
(VOD3).  
The receiver has a failsafe feature that guarantees a logic-  
high output if the input is open circuit.  
The DS485 is available in surface mount and DIP packages  
and is characterized for Industrial and Commercial tempera-  
ture range operation.  
n Industrial temperature range operation  
n Pin and functional compatible with MAX485 and LTC485  
Connection and Logic Diagram  
Truth Table  
DIP and SOIC  
DRIVER SECTION  
RE*  
X
DE  
H
DI  
H
L
A
H
L
B
L
X
H
H
Z
X
L
X
Z
RECEIVER SECTION  
RE*  
L
DE  
L
A-B  
≥+0.2V  
≤−0.2V  
X
RO  
H
01288001  
L
L
L
H
X
Z
Order Number  
DS485N  
Temp. Range  
0˚C to +70˚C  
Package/###  
DIP/N08E  
L
L
OPEN*  
H
*Note: Non Terminated, Open Input only  
X = indeterminate  
Z = TRI-STATE  
DS485M  
0˚C to +70˚C  
SOP/M08A  
DIP/N08E  
DS485TN  
DS485TM  
−40˚C to +85˚C  
−40˚C to +85˚C  
SOP/M08A  
TRI-STATE® is a registered trademark of National Semiconductor Corporation.  
© 2004 National Semiconductor Corporation  
DS012880  
www.national.com  
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