Overview
The DP83849IDVS, produced by Texas Instruments (formerly National Semiconductor), is a highly reliable and feature-rich dual-port 10/100 Mbps Ethernet Physical Layer (PHY) transceiver. This device is designed to meet the expanding needs of Ethernet connectivity, particularly in industrial and multi-port applications. It features two fully independent 10/100 ports, supporting both copper and fiber media, and is optimized for use in environments requiring redundancy or system management, such as wireless remote base stations and industrial networking.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments (formerly National Semiconductor) |
| Package Type | TQFP (PFC) |
| Pins | 80 |
| Operating Temperature Range (°C) | -40 to 85 |
| Supply Voltage (V) | 3.3 |
| Data Rate (Mbps) | 10/100 |
| Interfaces | MII, RMII, SNI |
| JTAG | IEEE 1149.1 compliant |
| Package Dimensions (mm) | 12 x 12 x 1.2 |
| Power Consumption (Typical) | < 600 mW |
Key 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
- 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, Auto-Negotiation, and Parallel Detection
- IEEE 802.3u ENDEC, 10BASE-T transceivers and filters
- IEEE 802.3u PCS, 100BASE-TX transceivers and filters
- IEEE 802.3u 100BASE-FX Fiber Interface
- 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)
Applications
- Medical Instrumentation
- Factory Automation
- Motor & Motion Control
- Wireless Remote Base Station
- General Embedded Applications
Q & A
- What is the DP83849IDVS used for?
The DP83849IDVS is a dual-port 10/100 Mbps Ethernet PHY transceiver used in industrial and multi-port applications requiring Ethernet connectivity.
- What are the supported interfaces of the DP83849IDVS?
The device supports MII, RMII, and SNI interfaces.
- What is the operating temperature range of the DP83849IDVS?
The operating temperature range is -40°C to 85°C.
- Does the DP83849IDVS support fiber media?
Yes, it supports 100BASE-FX fiber interface.
- What is the typical power consumption of the DP83849IDVS?
The typical power consumption is less than 600 mW.
- What diagnostic features does the DP83849IDVS offer?
The device includes TDR based Cable Diagnostic and Cable Length Detection, as well as real-time continuous monitoring of link quality.
- Is the DP83849IDVS RoHS compliant?
Yes, the DP83849IDVS is RoHS compliant.
- What package type and pin count does the DP83849IDVS have?
The device comes in an 80-pin TQFP (PFC) package.
- Does the DP83849IDVS support auto-negotiation?
Yes, it supports IEEE 802.3u Auto-Negotiation and Parallel Detection.
- What are some of the applications where the DP83849IDVS is commonly used?
Common applications include medical instrumentation, factory automation, motor & motion control, wireless remote base stations, and general embedded applications.
- Does the DP83849IDVS have built-in self-test capabilities?
Yes, it includes 10/100 Mb/s packet BIST (Built-in Self Test).
