DP83849IDVS - Dual-Port 10/100 Ethernet PHY | Texas Instruments
料号： DP83849IDVS ✓ 量产中DP83849IDVS 概述
An Ethernet PHY is a physical-layer transceiver that converts digital data into electrical or optical signaling suitable for network transmission and receives signals back into digital data. In the product hierarchy, the DP83849IDVS is an Ethernet PHY transceiver, a network interface IC, an integrated circuit, and a semiconductor. Its dual-port architecture supports equipment that needs redundant connectivity, management access, or simultaneous links within a single device.
The verified manufacturer information identifies the DP83849IDVS as a dual-port 10/100-Mbps Ethernet PHY transceiver with fiber support. Its -40°C to +85°C industrial-temperature range supports deployment in factory automation, industrial control, communications equipment, and network infrastructure. The 80-pin TQFP package provides access to the PHY functions, power connections, management interfaces, and copper or fiber-related signaling required by the device.
The dual-port configuration is the primary technical distinction. Two physical-layer channels can reduce the number of separate Ethernet PHY packages needed in a multi-port system, simplifying board allocation while preserving independent 10/100-Mbps operation. Detailed electrical characteristics, register functions, media interfaces, and internal architecture are not present in the supplied source excerpts and therefore remain subject to the complete manufacturer datasheet.
Typical uses include industrial Ethernet switches, remote monitoring stations, factory-floor controllers, communications equipment, and network-interface modules. The DP83849IDVS is particularly relevant where two copper ports and fiber-capable connectivity must coexist in an industrial-temperature design. The manufacturer also identifies the DP83849IDIFVS-EVK as a related evaluation platform for dual industrial-temperature PHY operation with fiber support.
Designers should verify the complete pin assignment, recommended transformer or magnetics interface, strap resistors, clocking requirements, and decoupling network against the manufacturer datasheet before layout. Because the supplied data identifies a 12 mm by 12 mm 80-pin TQFP package but does not provide the complete 80-pin pinout, the package drawing cannot be safely populated here.
This page combines verified manufacturer and distributor information, pricing availability status, same-family alternatives, comparison parameters, and application guidance. It also distinguishes documented facts from engineering data that remains unavailable, helping engineers evaluate the DP83849IDVS without confusing approximate or unsupported specifications.
直接替换替代料： DP83849IDVS ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
DP83849IFVS/NOPB
✅ 直接替换📋 参考替代料（不在目录中）
DP83849IFVSX/NOPB
✅ 直接替换📋 参考替代料（不在目录中）
DP83849IDVS 规格参数
| Product Type | Dual-port Ethernet PHY transceiver |
| Ethernet Speed | 10/100 Mbps |
| Number of Ports | 2 ports |
| Temperature Grade | Industrial temperature |
| 工作温度 | -40°C to +85°C |
| Fiber Support | Supported |
| 电源电压 | 3 V to 3.6 V |
| 封装 | 80-pin TQFP, 12 mm × 12 mm |
| 引脚数 | 80 pins |
| 安装类型 | Surface mount |
DP83849IDVS 80-pin tqfp, 12 mm × 12 mm 引脚配置指南
DP83849IDVS（80-pin tqfp, 12 mm × 12 mm 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： DP83849IDVS.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DP83849IDVS 适用于 6 应用s: Industrial Ethernet Switches, Factory Automation Controllers, Remote Monitoring Stations, Communications Network Equipment, Fiber-Backed Network Gateways, Industrial Network Interface Modules.
Industrial Ethernet Switches
The DP83849IDVS fits industrial Ethernet switch designs requiring two 10/100-Mbps physical-layer channels in one 80-pin TQFP device. Its documented industrial-temperature range of -40°C to +85°C supports factory automation and communications equipment operating beyond typical commercial temperatures. Two integrated PHY channels can simplify multi-port board allocation compared with using separate single-port transceivers. The implementation still requires the manufacturer-specified power, clock, magnetics or fiber interfaces, management interface, and decoupling. Engineers should verify link performance, isolation requirements, and regulatory margin for the exact copper and fiber media before releasing a production design.
推荐
Factory Automation Controllers
The DP83849IDVS can support factory automation controllers that need local Ethernet links for communication with sensors, remote I/O, supervisory systems, or service equipment. Two 10/100-Mbps ports can provide a main network connection and an additional management or redundancy path in a compact industrial-temperature design. Its -40°C to +85°C range is appropriate for controlled industrial environments, but enclosure temperature, isolation, grounding, and surge requirements must be evaluated separately. Use the manufacturer layout and media-interface guidelines to control board-level noise and preserve reliable link margins across the required cable lengths and environmental conditions.
推荐
Remote Monitoring Stations
The DP83849IDVS is applicable to remote monitoring stations that communicate over 10/100-Mbps industrial Ethernet and need more than one physical-layer port. One channel can serve the primary supervisory network while another supports equipment management, backup connectivity, or a separate network segment. The dual-port architecture reduces the number of PHY packages in a space-constrained station. The -40°C to +85°C industrial range also makes the device suitable for monitored cabinets and field-adjacent equipment. Before deployment, confirm the required copper or fiber medium, isolation architecture, restart behavior, and management firmware expectations against the complete datasheet.
推荐
Communications Network Equipment
The DP83849IDVS supports communications equipment that terminates two 10/100-Mbps Ethernet links while retaining the option of fiber support. The device is appropriate for industrial network-interface modules, remote-access equipment, and communication bridges where redundant or segmented links are useful. Its industrial-temperature operation supports equipment designed for extended-temperature installations. A successful design depends on selecting the correct media components and implementing the manufacturer-defined termination, clocking, decoupling, and isolation network. Verify system-level throughput, auto-negotiation behavior, link-loss recovery, and electromagnetic compatibility using the evaluation kit and application reference material.
推荐
Fiber-Backed Network Gateways
The DP83849IDVS can serve as the dual-port Ethernet PHY element in gateways that combine copper-connected equipment with fiber-backed infrastructure. Both PHY channels operate at 10/100 Mbps, enabling a gateway architecture with one local copper port and one extended-reach link when the required fiber interface is implemented as specified. The industrial-temperature range supports use in network cabinets and industrial gateways. Designers should not assume that the fiber interface can be implemented identically across family members, so the target datasheet should be checked for the supported optical components, configuration, and loss-of-signal behavior.
推荐
Industrial Network Interface Modules
The DP83849IDVS is suitable for a compact industrial network interface module that needs two 10/100-Mbps Ethernet channels without allocating separate PHY packages to each link. Its 80-pin 12 mm × 12 mm TQFP package provides a defined surface-mount form factor, while the -40°C to +85°C rating supports industrial equipment. The module can expose a management connection and a primary network connection, or use both ports for link redundancy. Production implementation must follow the manufacturer's complete pinout, power-supply, clock, magnetics, media, and layout requirements, with attention to thermal performance and industrial EMC constraints.
推荐
推荐产品汇总
工程参考数据： DP83849IDVS ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | DP83849IFVS/NOPB | DP83849IFVSX/NOPB |
|---|---|---|---|
| Package | 80-TQFP (12x12) | 80-TQFP (12x12) | 80-TQFP (12x12) |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Port Count | 2 ports | 2 ports | 2 ports |
| Data Rate | 10/100 Mbps | 10/100 Mbps | 10/100 Mbps |
| Pin Count | 80 pins | 80 pins | 80 pins |
关键差异点
- Verified dual-port 10/100-Mbps integration （对比 DP83849IFVS/NOPB)
- Explicit industrial operating range （对比 DP83849IFVS/NOPB)
- Established 80-pin 12 mm × 12 mm TQFP target footprint （对比 DP83849IFVSX/NOPB)
设计说明
Begin the layout from the manufacturer PCB guidelines and evaluation-board schematic rather than a generic 80-pin TQFP footprint. Keep the PHY, clock source, decoupling network, and high-speed media interfaces positioned in accordance with the recommended topology. Verify every ball or lead assignment from the official package drawing, particularly power, ground, reference-clock, reset, management, and transceiver pins. The supplied excerpts do not contain the complete pinout, so an inferred layout would create unacceptable connectivity risk.
Provide the documented 3 V to 3.6 V operating range with low-impedance local decoupling and adequate source capability for both active ports. Because the supplied data does not include typical or maximum power dissipation, calculate the worst-case load from the manufacturer datasheet and allow for startup, fault, and transceiver states. Confirm that the supply remains within limits during link activity and that any auxiliary interface or fiber circuitry has compatible voltage levels before finalizing the rail architecture.
Do not treat a matching package name, data rate, and port count as sufficient proof of interchangeability. The DP83849IFVS-family candidates require verification of pin-to-pin assignments, strap options, clocking, management registers, media interfaces, reset behavior, and software configuration. The supplied comparison material identifies differences in package and compliance characteristics. Review the complete manufacturer comparison and perform a schematic, BOM, firmware, and PCB netlist audit before approving a replacement.
Use the evaluation kit to establish routing, termination, magnetics or fiber-component selection, and isolation strategy. Ethernet media interfaces can be sensitive to trace impedance, return paths, grounding, and nearby switching noise even at 100 Mbps. Follow the manufacturer's recommended component values and controlled-impedance geometry, and test across the required cable lengths. For fiber support, verify optical-module compatibility, loss-of-signal handling, and the exact media architecture defined for the DP83849IDVS.
合规信息
The supplied excerpts do not explicitly state compliance status for DP83849IDVS. A comparison page mentions RoHS and REACH for related devices, but those statements were not applied to the target.
