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DP8392CV-1

更新时间： 2024-01-22 16:11:39
品牌 Logo 应用领域
美国国家半导体 - NSC 网络接口电信集成电路电信电路以太网：16GBASE-T
页数 文件大小 规格书
12页 229K
描述
CTI Coaxial Transceiver Interface

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DP8392CV-1 技术参数

生命周期：Obsolete包装说明：QCCJ,
Reach Compliance Code：unknownHTS代码：8542.39.00.01
风险等级：5.8JESD-30 代码：S-PQCC-J28
长度：11.43 mm负电源额定电压：-9 V
功能数量：1端子数量：28
最高工作温度：70 °C最低工作温度：
封装主体材料：PLASTIC/EPOXY封装代码：QCCJ
封装形状：SQUARE封装形式：CHIP CARRIER
认证状态：Not Qualified座面最大高度：4.57 mm
表面贴装：YES电信集成电路类型：ETHERNET TRANSCEIVER
温度等级：COMMERCIAL端子形式：J BEND
端子节距：1.27 mm端子位置：QUAD
宽度：11.43 mmBase Number Matches：1

DP8392CV-1 数据手册

 浏览型号DP8392CV-1的Datasheet PDF文件第2页浏览型号DP8392CV-1的Datasheet PDF文件第3页浏览型号DP8392CV-1的Datasheet PDF文件第4页浏览型号DP8392CV-1的Datasheet PDF文件第5页浏览型号DP8392CV-1的Datasheet PDF文件第6页浏览型号DP8392CV-1的Datasheet PDF文件第7页 
October 1995  
DP8392C/DP8392C-1 CTI  
Coaxial Transceiver Interface  
General Description  
Features  
Y
Compatible with Ethernet II, IEEE 802.3 10Base5 and  
10Base2 (Cheapernet)  
The DP8392C Coaxial Transceiver Interface (CTI) is a coax-  
ial cable line driver/receiver for Ethernet/Thin Ethernet  
(Cheapernet) type local area networks. The CTI is connect-  
ed between the coaxial cable and the Data Terminal Equip-  
ment (DTE). In Ethernet applications the transceiver is usu-  
ally mounted within a dedicated enclosure and is connected  
to the DTE via a transceiver cable. In Cheapernet applica-  
tions, the CTI is typically located within the DTE and con-  
nects to the DTE through isolation transformers only. The  
CTI consists of a Receiver, Transmitter, Collision Detector,  
and a Jabber Timer. The Transmitter connects directly to a  
50 ohm coaxial cable where it is used to drive the coax  
when transmitting. During transmission, a jabber timer is ini-  
tiated to disable the CTI transmitter in the event of a longer  
than legal length data packet. Collision Detection circuitry  
monitors the signals on the coax to determine the presence  
of colliding packets and signals the DTE in the event of a  
collision.  
Y
Integrates all transceiver electronics except signal  
power isolation  
&
Y
Y
Y
Innovative design minimizes external component count  
Jabber timer function integrated on chip  
Externally selectable CD Heartbeat allows operation  
with IEEE 802.3 compatible repeaters  
Y
Precision circuitry implements receive mode collision  
detection  
Y
Y
Squelch circuitry at all inputs rejects noise  
Designed for rigorous reliability requirements of  
IEEE 802.3  
Y
Standard Outline 16-pin DIP uses a special leadframe  
that significantly reduces the operating die temperature  
Table of Contents  
1.0 System Diagram  
The CTI is part of a three chip set that implements the com-  
plete IEEE 802.3 compatible network node electronics as  
shown below. The other two chips are the DP8391 Serial  
Network Interface (SNI) and the DP8390 Network Interface  
Controller (NIC).  
2.0 Block Diagram  
3.0 Functional Description  
3.1 Receiver Functions  
3.2 Transmitter Functions  
3.3 Collision Functions  
The SNI provides the Manchester encoding and decoding  
functions; whereas the NIC handles the Media Access Pro-  
tocol and the buffer management tasks. Isolation between  
the CTI and the SNI is an IEEE 802.3 requirement that can  
be easily satisfied on signal lines using a set of pulse trans-  
formers that come in a standard DIP. However, the power  
isolation for the CTI is done by DC-to-DC conversion  
through a power transformer.  
3.4 Jabber Functions  
4.0 Typical Applications  
5.0 Connection Diagrams  
6.0 Pin Descriptions  
7.0 Absolute Maximum Ratings  
8.0 DP8392C Electrical Characteristics  
9.0 DP8392C-1 Electrical Characteristics  
10.0 Switching Characteristics  
11.0 Timing and Load Diagram  
1.0 System Diagram  
TL/F/11085–1  
IEEE 802.3 Compatible Ethernet/Cheapernet Local Area Network Chip Set  
C
1995 National Semiconductor Corporation  
TL/F/11085  
RRD-B30M115/Printed in U. S. A.  
1234567...12

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