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DP83924BVCE PDF预览

DP83924BVCE

更新时间: 2024-01-30 18:38:13
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

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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October 1998  
DP83924BVCE  
Quad 10 Mb/s Ethernet Physical Layer - 4TPHY™  
Programmable MAC Interface supports most  
General Description  
standard 7 signal MAC interfaces  
Twisted Pair Transceiver Module  
– On-chip filters for transmit outputs  
– Low Power Driver  
The DP83924B Quad 10Mbps Ethernet Physical Layer  
(4TPHY) is a 4-Port Twisted Pair PHYsical Layer Trans-  
ceiver that includes all the circuitry required to interface  
four Ethernet Media Access Controllers (MACs) to  
10BASE-T. This device is ideally suited for switch hub  
applications where 8 to 32 ports are commonly used.  
– Heartbeat and Jabber Timers  
– Link Disable and Smart Receive Squelch  
– Polarity detection and correction  
– Jabber Enable/Disable  
The 4TPHY has three dedicated 10Base-T ports. There is  
an additional port that is selectable for either 10Base-T or  
for an Attachment Unit Interface (AUI). In 10Base-T mode,  
any port can be configured to be Half or Full Duplex.  
(Continued)  
– Isolate mode for diagnostics  
– Low Power Class AB Attachment Unit Interface (AUI)  
Driver for one port  
Features  
– Enhanced Supply Rejection  
– Enhanced Jitter Performance  
– Diagnostic Endec Loopback  
– Squelch on Collision and Receive Pair  
100 pin package  
10BASE-T and AUI interfaces  
Automatic or manual selectionof twisted pair or Attach-  
ment Unit Interfaces on port 1  
Serial LED interface for LINK, POLARITY, ACTIVITY,  
Direct Interface to NRZ Compatible controllers  
and ERROR.  
IEEE 802.3u Auto-Negotiation between 10Mb/s Full  
JTAG Boundary Scanper IEEE 1149.1  
and Half Duplex data traffic and parallel detection  
MII-like Serial management interface for configuration  
and monitoring of ENDEC/Transceiver operation.  
System Diagram  
MAC Serial  
NRZ Interface  
RXD4,RXC4,COL4,CRS4  
TXD4,TXE4  
10BASE-T  
TPI  
RXD3,RXC3,COL3,CRS3  
TXD3,TXE3  
ports 1-4  
RXD2,RXC2,COL2,CRS2  
DP83924B  
TXD2,TXE2  
MAC  
10BASE-2  
AUI  
RXD1,RXC1,COL1,CRS1  
TXD1,TXE1  
(port 1option)  
TXC  
MDIO  
MDC  
Serial Mgmt Interface  
4TPHY™ is a trademark of National Semiconductor Corporation.  
TRI-STATE® is a registered trademark of National Semiconductor Corporation.  
© 1998 National Semiconductor Corporation  
www.national.com  

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