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SN75178BDR PDF预览

SN75178BDR

更新时间： 2024-01-03 02:46:33
品牌 Logo 应用领域
德州仪器 - TI 驱动光电二极管输出元件接口集成电路驱动器
页数 文件大小 规格书
12页 172K
描述
Differential Bus Repeaters 8-SOIC

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SN75178BDR 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：SOP, SOP8,.25针数：8
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.51
其他特性：POSITIVE AND NEGATIVE CURRENT LIMITING 3-STATE OUTPUTS差分输出：YES
驱动器位数：1高电平输入电流最大值：0.00002 A
输入特性：DIFFERENTIAL SCHMITT TRIGGER接口集成电路类型：LINE TRANSCEIVER
接口标准：V.11; X.27; EIA-422-A; EIA-485JESD-30 代码：R-PDSO-G8
长度：4.9 mm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：0.008 A封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP8,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：NOT SPECIFIED电源：5 V
认证状态：Not Qualified最大接收延迟：40 ns
接收器位数：1座面最大高度：1.75 mm
子类别：Line Driver or Receivers最大压摆率：70 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：BIPOLAR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
最大传输延迟：20 ns宽度：3.9 mm
Base Number Matches：1

SN75178BDR 数据手册

 浏览型号SN75178BDR的Datasheet PDF文件第2页浏览型号SN75178BDR的Datasheet PDF文件第3页浏览型号SN75178BDR的Datasheet PDF文件第4页浏览型号SN75178BDR的Datasheet PDF文件第5页浏览型号SN75178BDR的Datasheet PDF文件第6页浏览型号SN75178BDR的Datasheet PDF文件第7页 
SN75177B, SN75178B  
DIFFERENTIAL BUS REPEATERS  
SLLS002C – D2606, JULY 1985 – REVISED FEBRUARY 1993  
SN75177B . . . D OR P PACKAGE  
(TOP VIEW)  
• Meets EIA Standards RS-422-A and RS-485  
and CCITT Recommendations V.11 and X.27  
• Designed for Multipoint Transmission on  
V
A
B
Z
Y
1
2
3
4
8
7
6
5
CC  
T
Long Bus Lines in Noisy Environments  
• 3-State Outputs  
EN  
• Bus Voltage Range . . . –7 V to 12 V  
• Positive and Negative Current Limiting  
• Driver Output Capability . . . 60 mA Max  
• Driver Thermal Shutdown Protection  
• Receiver Input Impedance . . . 12 kΩ Min  
• Receiver Input Sensitivity . . . ±200 mV  
• Receiver Input Hysteresis . . . 50 mV Typ  
• Operates From Single 5-V Supply  
• Low Power Requirements  
GND  
SN75178B . . . P PACKAGE  
(TOP VIEW)  
V
A
B
Z
Y
1
2
3
4
8
7
6
5
CC  
T
EN  
GND  
THE SN75177B IS NOT  
RECOMMENDED FOR NEW DESIGN  
description  
The SN75177B and SN75178B differential bus repeaters are monolithic integrated devices each designed for  
one-way data communication on multipoint bus transmission lines. These devices are designed for balanced  
transmission bus line applications and meet EIA Standard RS-422-A and RS-485 and CCITT  
Recommendations V.11 and X.27. Each device is designed to improve the performance of the data  
communication over long bus lines. The SN75177B and SN75178B are identical except for the complementary  
enable inputs, which allow the devices to be used in pairs for bidirectional communication.  
The SN75177B and SN75178B feature positive- and negative-current limiting 3-state outputs for the receiver  
and driver. The receiver features high input impedance, input hysteresis for increased noise immunity, and input  
sensitivity of ±200 mV over a common-mode input voltage range of –7 V to 12 V. The driver features thermal  
shutdown for protection from line fault conditions. Thermal shutdown is designed to occur at a junction  
temperature of approximately 150°C. The driver is designed to drive current loads up to 60 mA maximum.  
The SN75177B and SN75178B are designed for optimum performance when used on transmission buses  
employing the SN75172 and SN75174 differential line drivers, SN75173 and SN75175 differential line  
receivers, or SN75176B bus transceiver.  
Function Tables  
SN75177B  
DIFFERENTIAL INPUTS  
A – B  
ENABLE  
OUTPUTS  
EN  
H
T
H
?
Y
H
?
Z
L
V
≥ 0.2 V  
ID  
–0.2 V < V < 0.2 V  
H
?
ID  
V
ID  
≤ 0.2 V  
H
L
L
H
Z
X
L
Z
Z
SN75178B  
DIFFERENTIAL INPUTS  
A – B  
ENABLE  
OUTPUTS  
EN  
L
T
H
?
Y
H
?
Z
L
V
≥ 0.2 V  
ID  
–0.2 V < V < 0.2 V  
L
?
ID  
V
ID  
≤ 0.2 V  
L
L
L
H
Z
X
H
Z
Z
H = high level, L = low level, ? = indeterminate, X = irrelevant, Z = impedance (off)  
Copyright 1993, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
2–1  
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...12

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