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Product details

Parameters

Datarate (Mbps) 10/100 Interface type MII, RMII, SNI Number of ports Dual Rating Catalog Features Cable diagnostics Supply voltage (V) 3.3 IO supply (Typ) (V) 3.3 Operating temperature range (C) 0 to 70 Cable length (m) 137 open-in-new Find other Ethernet PHYs

Package | Pins | Size

TQFP (PFC) 80 144 mm² 12 x 12 open-in-new Find other Ethernet PHYs

Features

  • Low-power 3.3V, 0.18μm CMOS technology
  • Low power consumption <600mW Typical
  • 3.3V MAC Interface
  • Auto-MDIX for 10/100 Mb/s
  • Energy Detection Mode
  • Flexible MII Port Assignment
  • Dynamic Integrity Utility
  • Dynamic Link Quality Monitoring
  • TDR based Cable Diagnostic and Cable Length Detection
  • Optimized Latency for Real Time Ethernet Operation
  • Reference Clock out
  • RMII Rev. 1.2 Interface (configurable)
  • SNI Interface (configurable)
  • MII Serial Management Interface (MDC and MDIO)
  • IEEE 802.3u MII
  • IEEE 802.3u Auto-Negotiation and Parallel Detection
  • IEEE 802.3u ENDEC, 10BASE-T transceivers and filters
  • IEEE 802.3u PCS, 100BASE-TX transceivers and filters
  • Integrated ANSI X3.263 compliant TP-PMD physical sub-layer with adaptive equalization and Baseline Wander compensation
  • Programmable LED support for Link, 10 /100 Mb/s Mode, Activity, Duplex and Collision Detect
  • Single register access for complete PHY status
  • 10/100 Mb/s packet BIST (Built in Self Test)
  • 80-pin TQFP package (12mm x 12mm)

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Description

The number of applications requiring Ethernet Connectivity continues to expand. Along with this increased market demand is a change in application requirements. Where single channel Ethernet used to be sufficient, many applications such as wireless remote base stations and industrial networking now require DUAL Port functionality for redundancy or system management.

The DP83849I is a highly reliable, feature rich device perfectly suited for industrial applications enabling Ethernet on the factory floor. The DP83849I features two fully independent 10/100 ports for multi-port applications. NATIONALs unique port switching capability also allows the two ports to be configured to provide fully integrated range extension, media conversion, hardware based failover and port monitoring.

The DP83849I provides optimum flexibility in MPU selection by supporting both MII and RMII interfaces. In additional this device includes a powerful new diagnostics tool to ensure initial network operation and maintenance.

In addition to the TDR scheme, commonly used for detecting faults during installation, NATIONAL's innovative cable diagnostics provides for real time continuous monitoring of the link quality. This allows the system designer to implement a fault prediction mechanism to detect and warn of changing or deteriorating link conditions.

With the DP83849IVS, National Semiconductor continues to build on its Ethernet expertise and leadership position by providing a powerful combination of features and flexibility, easing Ethernet implementation for the system designer.


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Same functionality but is not pin-for-pin or parametrically equivalent to the compared device:
DP83849I ACTIVE Industrial temperature, dual-port 10/100-Mbps Ethernet PHY transceiver with flexible port switchi This product includes dual 10/100M ports and operates over an industrial temperature range of -40°C to 85°C
DP83849ID ACTIVE Industrial temperature, dual-port 10/100-Mbps Ethernet PHY transceiver with fiber support This product includes dual 10/100M ports with fiber support over an industrial temperature range of -40°C to 85°C
DP83849IF ACTIVE Industrial temperature, dual-port 10/100-Mbps Ethernet PHY transceiver with fiber support & flexible This product includes dual 10/100M ports with fiber and flex port over an industrial temperature range of -40°C to 85°C

Technical documentation

= Top documentation for this product selected by TI
No results found. Please clear your search and try again. View all 10
Type Title Date
* Datasheet PHYTER DUAL Commercial Temp Dual Port 10/100 Mb/s Ethernet Phy Layer X-ceiver datasheet (Rev. D) May 27, 2008
Application note Selection and specification of crystals for Texas Instruments ethernet physical Feb. 06, 2019
Application note AN-1469 PHYTER® Design & Layout Guide (Rev. D) Apr. 26, 2013
Application note AN-1507 DP83848 and DP83849 100Mb Data Latency (Rev. B) Apr. 26, 2013
Application note AN-1508 DP83849 Cable Diagnostics (Rev. A) Apr. 26, 2013
Application note AN-1509 PhyterDual Flexible Port Switching (Rev. B) Apr. 26, 2013
Application note AN-1540 Power Measurement of Ethernet Physical Layer Products (Rev. B) Apr. 26, 2013
Application note AN-1548 PHYTER 100 Base-TX Reference Clock Jitter Tolerance (Rev. B) Apr. 26, 2013
Application note Reducing Radiated Emissions in Ethernet 10/100 LAN Applications (Rev. A) Apr. 26, 2013
User guide DP83849IVS-EVK User Guide Feb. 23, 2012

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARD Download
document-generic User guide
49
Description

DP83849IVS basic product evaluation and customer demonstration board.

Software development

DRIVER OR LIBRARY Download
Ethernet PHY Linux drivers & tools
ETHERNET-SW The Linux drivers for Texas Instruments' Ethernet physical layer (PHY) transceivers support communication through the serial management interface (MDC/MDIO) to configure and read PHY registers.

The USB-2-MDIO software lets you directly access the registers during debug and prototyping.  (...)

Design tools & simulation

SIMULATION MODEL Download
SNOM290.ZIP (15 KB) - IBIS Model
SIMULATION TOOL Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
SIMULATION TOOL Download
SPICE-based analog simulation program
TINA-TI TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
document-generic User guide

CAD/CAE symbols

Package Pins Download
TQFP (PFC) 80 View options

Ordering & quality

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