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DP83924BVCE PDF预览

DP83924BVCE

更新时间： 2024-02-09 21:11:31
品牌 Logo 应用领域
美国国家半导体 - NSC 以太网
页数 文件大小 规格书
42页 420K
描述
Quad 10 Mb/s Ethernet Physical Layer - 4TPHY⑩

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DP83924BVCE 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：QFP,Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：5.83
JESD-30 代码：R-PQFP-G100JESD-609代码：e3
长度：20 mm湿度敏感等级：3
功能数量：4端子数量：100
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：QFP
封装形状：RECTANGULAR封装形式：FLATPACK
峰值回流温度（摄氏度）：220认证状态：Not Qualified
座面最大高度：3.4 mm标称供电电压：5 V
表面贴装：YES电信集成电路类型：ETHERNET TRANSCEIVER
温度等级：COMMERCIAL端子面层：TIN
端子形式：GULL WING端子节距：0.65 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：14 mmBase Number Matches：1

DP83924BVCE 数据手册

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1.0 Pin Information (Continued)  
Table 1. NRZ CONTROLLER INTERFACE and MANAGEMENT INTERFACE.  
These pins provide the interface signalling between the Media Access Controller and the transceiver. (30 Pins)  
Symbol  
Pin #  
Type  
Description  
MDIO  
LINK_4  
94  
I/O  
Management Data I/O: When management interface is enabled (strap option,  
COL[2]=1), this Bidirectional signal transfers data on the management interface be-  
tween the controller and the transceiver.  
Link Lost Status Port 4: When “Disable Management Interface” mode is selected,  
(strap option, COL[2]=0), this pin outputs the link lost status for port 4. If link is lost, this  
output is high.  
INT  
LINK_3  
92  
OD  
Interrupt: When “Enable Management Interface” mode is selected (strap option,  
COL[2]=1), this output pin is driven low when an interrupt condition is detected within  
the Quad Transceiver. Aninterrupt can occur when linkstatus changes or during jabber  
condition. This is an open-drain output. And requires an external pull-up resistor.  
Link Lost Status Port 3: When “Disable Management Interface” mode is selected,  
(strap option, COL[2]=0), this pin outputs the link lost status for port 3. If link is lost, this  
output is high.  
LINK_2  
LINK_1  
90  
89  
O, pull-up Link Lost Status Ports 1,2: These pins indicate the link lost status for ports 1 and 2.  
O, pull-up (During both management interface disable and enable modes)  
LINK_1 is also the strap option for RXD levels during idle . S ee Table7 on page11. A  
2.7 kΩ pulldown resistor is needed to set RXD_IDLE = High. Default is LINK_1=’1’ and  
RXD_IDLE= Low  
Table 2. NETWORK INTERFACES: Attachment Unit, Twisted Pair Interface (24 Pins)  
Symbol  
Pins  
Type  
Description  
RXI4+  
RXI4-  
29  
30  
I
TwistedPair Receive Input: This differential input pair receives the incoming data from  
the twisted pair medium via an isolation transformer.  
RXI3+  
RXI3-  
19  
20  
RXI2+  
RXI2-  
17  
18  
RXI1+  
RXI1-  
7
8
TXU4+  
TXU4-  
25  
26  
O
UTP Transmit Outputs: This pair of drivers provide pre-emphasized and filtered differ-  
ential output for UTP (100 ohm cable). These drivers maintain the same common mode  
voltage during data transmission and idle mode.  
TXU3+  
TXU3-  
23  
24  
TXU2+  
TXU2-  
13  
14  
TXU1+  
TXU1-  
11  
12  
Reserved  
ROC  
33  
34  
I
I
Reserved: This pin must be left unconnected.  
On Chip Reference: An external resistor connects to ground for an on chip reference.  
The resistor must be a precision (1%) resistor, the value of which should be determined  
by each user to center VOD around 5 Vpp.  
Attachment Unit Interface  
RX+  
RX-  
5
6
I
Port 1 Full AUI Receive Input: In AUI mode this differential input pair receives the in-  
coming data from the AUI medium via an isolation transformer.  
TX+  
TX-  
1
2
O
Port 1 Full AUITransmit Output: In AUI mode this differential pair sends encoded data  
from the AUI transceiver. These outputs are source followers and require 270 Ohm pull  
down resistors.  
CD+  
CD-  
34  
I
Port 1 Full AUI Collision Detect: In AUI mode, this differential input pair receives the  
collision detect signals from the AUI medium via an isolation transformer.  
6
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