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DS36C278MWC PDF预览

DS36C278MWC

更新时间： 2024-11-06 21:20:07
品牌 Logo 应用领域
美国国家半导体 - NSC 驱动接口集成电路驱动器
页数 文件大小 规格书
10页 160K
描述
IC LINE TRANSCEIVER, UUC, WAFER, Line Driver or Receiver

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中文翻译

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DS36C278MWC 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：DIE, WAFERReach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.62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-B; TIA-442-B; EIA-485JESD-30 代码：X-XUUC-N
湿度敏感等级：1功能数量：1
最小输出摆幅：1.5 V最大输出低电流：0.004 A
封装主体材料：UNSPECIFIED封装代码：DIE
封装等效代码：WAFER封装形状：UNSPECIFIED
封装形式：UNCASED CHIP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：400 ns接收器位数：1
子类别：Line Driver or Receivers最大压摆率：0.5 mA
最大供电电压：5.25 V最小供电电压：4.75 V
标称供电电压：5 V表面贴装：YES
技术：CMOS端子形式：NO LEAD
端子位置：UPPER处于峰值回流温度下的最长时间：40
最大传输延迟：80 nsBase Number Matches：1

DS36C278MWC 数据手册

 浏览型号DS36C278MWC的Datasheet PDF文件第2页浏览型号DS36C278MWC的Datasheet PDF文件第3页浏览型号DS36C278MWC的Datasheet PDF文件第4页浏览型号DS36C278MWC的Datasheet PDF文件第5页浏览型号DS36C278MWC的Datasheet PDF文件第6页浏览型号DS36C278MWC的Datasheet PDF文件第7页 
July 1998  
DS36C278  
Low Power Multipoint EIA-RS-485 Transceiver  
General Description  
Features  
n 100% RS-485 compliant  
The DS36C278 is a low power differential bus/line trans-  
ceiver designed to meet the requirements of RS-485 stan-  
dard for multipoint data transmission. In addition it is compat-  
ible with TIA/EIA-422-B.  
— Guaranteed RS-485 device interoperation  
n Low power CMOS design: ICC 500 µA max  
n Built-in power up/down glitch-free circuitry  
— Permits live transceiver insertion/displacement  
n DIP and SOIC packages available  
n Industrial temperature range: −40˚C to +85˚C  
n On-board thermal shutdown circuitry  
— Prevents damage to the device in the event of  
excessive power dissipation  
The CMOS design offers significant power savings over its  
bipolar and ALS counterparts without sacrificing ruggedness  
against ESD damage. The device is ideal for use in battery  
powered or power conscious applications. ICC is specified at  
500 µA maximum.  
The driver and receiver outputs feature TRI-STATE® capabil-  
ity. The driver outputs operate over the entire common mode  
range of −7V to +12V. Bus contention or fault situations that  
cause excessive power dissipation within the device are  
handled by a thermal shutdown circuit, which forces the  
driver outputs into the high impedance state.  
n Wide common mode range: −7V to +12V  
n Receiver open input fail-safe (Note 1)  
1
n
n
⁄
⁄
4
unit load (DS36C278): ≥128 nodes  
unit load (DS36C278T): ≥64 nodes  
1
2
n ESD (human body model): ≥2 kV  
n Drop in replacement for:  
— LTC485, MAX485, DS75176, DS3695  
The receiver incorporates a fail safe circuit which guarantees  
a high output state when the inputs are left open. (Note 1)  
The DS36C278T is fully specified over the industrial tem-  
perature range (−40˚C to +85˚C).  
Connection and Logic Diagram  
Truth Table  
DRIVER SECTION  
RE*  
X
DE  
H
DI  
H
L
DO/RI  
DO*/RI*  
H
L
L
H
Z
X
H
X
L
X
Z
RECEIVER SECTION  
RE*  
L
DE  
L
RI-RI*  
RO  
H
DS012040-1  
≥+0.2V  
≤−0.2V  
X
Order Number DS36C278TM, DS36C278TN,  
DS36C278M, DS36C278N  
See NS Package Number M08A or N08E  
L
L
L
H
L
Z
L
L
OPEN (Note 1)  
H
Note 1: Non-terminated, open input only  
TRI-STATE® is a registered trademark of National Semiconductor Corporation.  
© 1999 National Semiconductor Corporation  
DS012040  
www.national.com  
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