DP83800AVF Ethernet Interface Controller | National Semiconductor
Артикул: DP83800AVF ✗ Снят с производства| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1.000 | $0 | $0,00 |
DP83800AVF Обзор
An Ethernet interface controller is an interface IC that connects an embedded system or network adapter to a physical Ethernet network. In the broader hierarchy, it belongs to integrated circuits, interface ICs, network controllers, and communications semiconductors. Such devices typically coordinate physical-layer signaling, media access, data framing, and host-facing transfers, but the exact division of functions implemented by DP83800AVF cannot be confirmed from the supplied search snippets.
The available distributor listing describes DP83800AVF as an ISA network adapter with an IC designation and catalog number 10/100. Another distributor result categorizes it among drivers, receivers, and transceivers. These labels indicate legacy networking and interface applications, but they are insufficient to establish supply voltage, clock, transceiver thresholds, media support, package dimensions, operating temperature, or host-bus timing. Those parameters require the original manufacturer datasheet.
Potential legacy applications include ISA-based industrial control equipment, embedded controllers, network adapters, and industrial Ethernet systems designed around older host buses. These applications are contextual rather than verified design recommendations; host-bus compatibility, transceiver requirements, reference circuitry, magnetic-component integration, and signal-integrity constraints must be confirmed before schematic reuse.
The primary design concern is source fidelity. DP83800AVF appears as an older or specialized catalog part, and distributor category labels differ across the retrieved pages. Engineers should obtain the original datasheet, verify the exact package suffix and lead count, compare every pin and supply rail, and reproduce the reference network before beginning a layout. A modern Ethernet controller may be electrically more capable while still being unsuitable as a drop-in replacement because legacy ISA signaling, voltage levels, timing, and package geometry can differ.
This page distinguishes verified catalog facts from missing technical data, preserves uncertainty instead of guessing, and provides sourcing and validation guidance where the supplied evidence does not support numerical specifications. It also records that the available search results do not establish a manufacturer-authorized drop-in replacement for this legacy device.
Аналоги без доработки для DP83800AVF — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
Для этого товара нет аналогов без доработки.
Запросить аналогиDP83800AVF Характеристики
| Product Type | Ethernet interface controller / ISA network adapter |
| Original Manufacturer | National Semiconductor |
| Current Brand Association | Texas Instruments |
| Distributor Functional Classification | Drivers, receivers, and transceivers |
| Network Classification | ISA network adapter |
| Network Class | 10/100 |
| Package Family | QFP |
| Host Interface | ISA, based on distributor listing |
| Ethernet Support | 10/100 classification; protocol details not supplied |
| Статус RoHS | unknown |
| REACH Status | unknown |
| Lead-Free Status | unknown |
Руководство по цоколевке DP83800AVF в корпусе qfp
Цоколевка для DP83800AVF (корпус qfp). Нумерация выводов, функции и схемы подключения определены в техническом описании производителя. Обратитесь к нему для точного посадочного места и рекомендаций по пайке.
Нет подробных данных о распиновке для DP83800AVF.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
DP83800AVF подходит для 6 применениеs: Legacy ISA Network Adapter, Industrial Control Equipment Retrofit, Embedded Ethernet Data Acquisition, Network Interface Card Repair, Legacy Communication Gateway, Test and Measurement Instrument Retrofit.
Legacy ISA Network Adapter
The verified distributor evidence identifies DP83800AVF as an ISA 10/100 network-adapter device, making it a candidate for maintaining older embedded or industrial host boards rather than designing a new platform. The part could sit between an ISA host bus and the required Ethernet network interface circuitry, but the exact bus width, addressing, interrupt, timing, and transceiver architecture remain unknown. Before placing it on a board, verify every pin in the original datasheet and reproduce the reference schematic, clock source, termination network, and layout. Migration is only appropriate when retaining the original QFP footprint, supply rails, and timing environment is more valuable than adopting a supported modern controller.
Рекомендуется
Industrial Control Equipment Retrofit
DP83800AVF may be considered when an existing industrial machine uses a legacy 10/100 Ethernet adapter and must be serviced without redesigning its ISA-based control architecture. The available Ampheo listing specifically describes an ISA network adapter, supporting that service context, but it does not establish industrial temperature grade, isolation, EMC, or lifecycle status. Engineers should preserve the original schematic, confirm the operating-temperature and electrical limits from the datasheet, and validate the complete board under its real noise and grounding conditions. For new industrial systems, a currently documented controller with a supported software stack is generally safer unless the legacy interface is unavoidable.
Рекомендуется
Embedded Ethernet Data Acquisition
The DP83800AVF can be investigated for an embedded acquisition system whose original controller bus is ISA and whose network requirement was classified as 10/100. The verified snippets support only that broad use case; they do not confirm sustained throughput, latency, packet handling, cable support, or the presence of an integrated transceiver. Therefore, any acquisition timing, buffering, and interrupt-latency design must be derived from the original technical documentation. Reproduction should retain the original connector and isolation architecture unless independently validated, and bench testing should cover packet loss, error recovery, EMI susceptibility, and behavior across temperature and power-supply tolerance.
Рекомендуется
Network Interface Card Repair
DP83800AVF is relevant to repair or clone work on an existing network interface card using the original ISA interface and 10/100 network class. The DigiKey result identifies the part under Rochester Electronics, while several other inventory pages list the same MPN, making catalog availability more plausible than for an unlisted specialty device. A repair should nevertheless treat the package, pinout, supply rails, and timing as controlled data. Compare the incoming board, preserve component placement and copper geometry, and inspect magnetic components, connectors, clock circuitry, and isolation before energizing it. A cross-reference-tool suggestion alone is not evidence of replacement suitability.
Рекомендуется
Legacy Communication Gateway
A legacy communication gateway may use DP83800AVF if it is based on an ISA controller and must preserve an existing 10/100 Ethernet connection during maintenance. The verified listing supports the ISA network-adapter classification but does not establish protocol offload, routing performance, cable diagnostics, or security features, so none should be assumed. Integration work should begin with a complete pin-level and timing review, followed by traffic generation at the intended packet sizes and sustained data rate. For new gateways, compare a supported device with current drivers, security maintenance, lifecycle guarantees, and an available low-power design before deciding whether legacy continuity justifies the integration risk.
Рекомендуется
Test and Measurement Instrument Retrofit
DP83800AVF may be investigated for service of an older test or measurement instrument that communicates through an ISA-based 10/100 network interface. Since the supplied evidence does not include isolated communications, safety barriers, timing, or operating-temperature specifications, it cannot establish suitability for laboratory or production-test equipment. Any installation must preserve documented separation between hazardous and user-accessible circuits and must not rely on Ethernet ground connectivity for safety. Use the original reference design and validate network reliability under grounded-equipment conditions. New instruments should normally use a supported interface with current software support and documented safety-system architecture.
Рекомендуется
Справочные инженерные данные для DP83800AVF — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар |
|---|---|
| Brand | Texas Instruments / National Semiconductor origin |
| Package | QFP; exact variant unknown |
| Network Classification | 10/100 |
| Host Interface | ISA |
| Functional Category | Drivers, receivers, and transceivers |
| Lifecycle Status | Unknown |
| Drop-In Alternatives | No verified candidates |
Ключевые отличия
- Existing-board service focus (против Modern Ethernet controllers)
- Traceable original manufacturer identity (против Generic unbranded substitutes)
- Multiple catalog sourcing channels (против Unlisted specialty devices)
Заметки по проектированию
Do not treat the category description "ISA network adapter" as a complete device specification or treat QFP as a usable footprint definition. Download the suffix-specific manufacturer documentation and verify the pin count, body dimensions, lead pitch, supply rails, clock requirements, transceiver connections, and no-connect pins. Reconcile that information against the existing PCB and schematic. This is especially important because the supplied evidence contains conflicting broad categories and does not expose a verified pin table.
If repairing an existing board, preserve or validate the original component placement, trace geometry, reference network, terminations, decouplers, and ground-return paths before substituting any part. Ethernet interfaces can be sensitive to trace impedance, return-path discontinuities, and mismatched or poorly terminated networks. A mechanically similar QFP does not establish electrical compatibility, and a pin-compatible location does not prove that performance will match under the original layout.
Determine the original supply rails, tolerances, sequencing, and decoupling values from the manufacturer datasheet before applying power. The verified sources do not provide voltage, current, or startup information, so choosing capacitors or estimating dissipation would be speculative. During first power-up, use current limiting and controlled sequencing, inspect the rails for abnormal loading, and verify that every ground and supply connection matches the exact AVF package pinout.
Validate the complete network path with the same cable, connector, isolation or magnetic components, and termination arrangement intended for production. If the IC depends on an external physical layer, its logic-side behavior cannot be assessed independently of that device. Compare receive and transmit timing at system level, test error recovery and sustained traffic, and use the manufacturer reference layout as the baseline; no specific trace geometry is asserted because the supplied data contains no verified implementation details.
Generic cross-reference results and functionally similar Ethernet ICs are not proof of a drop-in replacement. A valid substitute must match the same package dimensions and pin assignment, as well as supply voltage, interface timing, transceiver architecture, clocking, reset requirements, and signal standards. Since no candidate MPN met the verified drop-in criteria, the BOM should retain the original MPN until the complete datasheet and a component-level compatibility analysis are available.
Информация о соответствии
The supplied sources contain no verified DP83800AVF compliance declarations. AEC-Q100 is marked not applicable because no automotive qualification evidence was supplied; this is not an automotive endorsement.
