DP83901AV - 5V Serial Network Controller | Texas Instruments
MPN: DP83901AV ✗ End of Life| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
DP83901AV Overview
A serial network interface controller is a semiconductor that coordinates data exchange between a host computer and an Ethernet physical layer. Within the network-interface hierarchy, it sits between host hardware or software drivers and a network-medium transceiver. The DP83901AV consolidates functions required to manage Ethernet packet transfer, addressing, access, and station communication while operating from a single 5 V supply.
The verified source material identifies the DP83901AV as a microCMOS VLSI controller with a serial interface, 7 pF typical input capacitance, and 7 pF typical output capacitance under the stated test conditions. Its nominal 110 mA supply current makes board-level power planning important in systems that operate continuously. Commercial temperature grade and tray packaging are also identified in the verified component listings.
Because the part targets legacy Ethernet standards, its strongest design roles are 10BASE5, 10BASE2, and 10BASE-T network-interface designs rather than modern switched Gigabit Ethernet equipment. A host processor must provide the required bus, interrupt, memory, and network-driver environment. Designers should also preserve the exact timing, signal-conditioning, and pin functions documented for this legacy controller.
Typical implementation choices include industrial data acquisition, embedded test systems, service equipment, and legacy Ethernet adapters that require 10BASE-T connectivity. The controller can be paired with suitable transceivers, magnetics, isolation, clocks, and termination networks, but the external network interface must be selected independently because the verified data does not identify one specific companion-device BOM.
The primary design consideration is availability and lifecycle validation. This is a mature Ethernet controller, so procurement should confirm current supply, manufacturer status, and traceability before a new design is released. Existing products should preserve the original schematic, timing, and firmware assumptions unless a replacement has been independently qualified.
This page consolidates the verified package, supply, interface, and Ethernet data while separating unavailable specifications from established facts. It also records the lack of a verified drop-in replacement rather than presenting a functionally similar controller as a safe PCB substitute.
Drop-in alternatives for DP83901AV — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
No drop-in alternatives available for this product.
Request AlternativesDP83901AV Specifications
| Controller Type | Serial Network Interface Controller |
| Interface | Serial |
| Supply Voltage | 5 V |
| Typical Supply Current | 110 mA |
| Network Protocols | CSMA/CD Ethernet |
| Supported Ethernet Standards | 10BASE5, 10BASE2, 10BASE-T |
| Implementation | MicroCMOS VLSI |
| Typical Input Capacitance | 7 pF at 25 C and 1 MHz |
| Typical Output Capacitance | 7 pF at 25 C and 1 MHz |
| Pin Count | 68 pins |
| Package | 68-pin PLCC J-lead |
| Package Dimensions | 25.13 mm x 25.13 mm |
| Package Body Code | QCCJ |
| Mounting Type | Surface Mount |
| Terminal Form | J-bend |
| Temperature Grade | Commercial |
| Packaging | Tray |
| Datasheet Length | 62 pages |
| RoHS Status | unknown |
| REACH Status | unknown |
DP83901AV qccj Pin Configuration Guide
Pin configuration for DP83901AV (qccj package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for DP83901AV.
Refer to the datasheet for full pin configuration.
Typical Applications
DP83901AV is suitable for 6 applications: Legacy 10BASE-T Network Interface, 10BASE2 Thin Ethernet Adapter, 10BASE5 Backbone Station Interface, Embedded Test and Data-Acquisition System, Industrial Service and Maintenance Terminal, Legacy Network Adapter Board.
Legacy 10BASE-T Network Interface
The DP83901AV fits a legacy 10BASE-T station design because the verified manufacturer description identifies twisted-pair Ethernet as a supported CSMA/CD medium. It can serve as the serial network controller between host-side logic and a suitable 10BASE-T physical-layer device. The controller operates from 5 V and draws a verified typical 110 mA, so the host board must provide adequate rail capacity. Engineering effort should focus on the original timing, bus, interrupt, and network-driver expectations because the supplied evidence does not verify a modern software-compatible replacement.
Recommended
10BASE2 Thin Ethernet Adapter
The DP83901AV is applicable to a 10BASE2 Thin Ethernet adapter because 10BASE2 appears explicitly in the verified supported-network list. In such a product, the SNIC manages the controller side of the station interface while external transceiver, isolation, termination, and connector circuitry carry the physical signal. Its nominal 5 V supply and 110 mA typical current must be included in the adapter power budget. Board-level qualification should verify timing, thermal conditions, network access behavior, and regulatory needs for the complete finished product.
Recommended
10BASE5 Backbone Station Interface
The DP83901AV can support a 10BASE5 station implementation because Ethernet 10BASE5 is one of the verified CSMA/CD standards named for the device. It is most relevant to industrial or laboratory systems being maintained with existing coax-based network infrastructure. The 68-pin PLCC provides a substantial legacy control interface, while the external transceiver and AUI-related network path must be designed separately. Because no detailed modern lifecycle guarantee is established, procurement and engineering validation are especially important for long-lived systems.
Recommended
Embedded Test and Data-Acquisition System
The DP83901AV can serve as the Ethernet station controller in an embedded acquisition or test system that was designed around 10BASE-T, 10BASE2, or 10BASE5. Its role is to move station traffic between the host interface and the selected physical network path, not to perform analog measurement directly. The 5 V, 110 mA typical operating point is manageable but should be checked against the system rail budget and startup sequence. Software support must retain the original driver assumptions, interrupt timing, and network configuration behavior.
Recommended
Industrial Service and Maintenance Terminal
A service terminal designed around an installed legacy Ethernet network can use the DP83901AV when the same physical standard and original controller architecture must be preserved. Supported options include 10BASE5, 10BASE2, and 10BASE-T, allowing reuse of existing infrastructure without replacing the established host interface. The design must account for the J-lead 68-pin PLCC footprint, 25.13 mm by 25.13 mm body, and assembly process. Procurement should verify current supply and component traceability because lifecycle status was not established in the verified excerpts.
Recommended
Legacy Network Adapter Board
The DP83901AV is appropriate for repairing or cloning the controller section of a legacy network adapter intended for 10BASE-T, 10BASE2, or 10BASE5 service. Its verified 5 V operation, 110 mA typical current, and serial network-controller role help preserve the established architecture. The PLCC package also calls for careful board-layout reproduction, J-lead assembly planning, and pin-level comparison against the original datasheet. Because no verified drop-in substitute was supplied, functional similarity should not be mistaken for PCB compatibility, especially where register maps and interrupt behavior affect firmware.
Recommended
Recommended Products Summary
Engineering reference data for DP83901AV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product |
|---|---|
| Package | 68-pin PLCC J-lead |
| Brand | Texas Instruments |
| Controller Type | Serial Network Interface Controller |
| Interface | Serial |
| Supply Voltage | 5 V |
| Typical Supply Current | 110 mA |
| Ethernet Support | 10BASE5, 10BASE2, 10BASE-T |
| Implementation | MicroCMOS VLSI |
| Package Dimensions | 25.13 mm x 25.13 mm |
| Temperature Grade | Commercial |
| Packaging | Tray |
| Typical Input Capacitance | 7 pF at 25 C and 1 MHz |
Key Differentiators
- Direct support for three legacy Ethernet media (vs DP83902AVLJ)
- Established 68-pin PLCC J-lead integration path (vs DP83902AVLJ)
- Compatibility-oriented role in maintained CSMA/CD equipment (vs W5100)
Design Notes
Design the 5 V rail for the verified 110 mA typical controller current plus the external Ethernet transceiver, magnetics, isolation, and termination circuitry. Confirm ripple, startup sequencing, and worst-case demand against the manufacturer datasheet because the supplied excerpts do not provide supply tolerance or maximum-current ratings. Avoid treating the 110 mA typical value as a complete system power budget.
Reproduce the original 68-pin J-lead PLCC footprint only after checking the original board dimensions against the manufacturer package drawing. Preserve short escape paths for clock and interface signals, provide solid ground-plane continuity, and inspect J-bend joints for adequate solderability. The verified 25.13 mm by 25.13 mm body dimension is not a substitute for the complete land pattern.
Do not treat DP83902 or a generic Ethernet controller as a direct DP83901AV substitute. The supplied results show that DP83902AVLJ uses a different 100-QFP package and may differ in timing, interrupts, and register mapping. Confirm the complete pinout, electrical limits, driver model, network-medium support, and application behavior against the original National Semiconductor documentation before substitution.
Validate clock, bus, interrupt, and medium-interface signals using the output-timing conditions published in the manufacturer datasheet. The verified source reports 7 pF typical input and output capacitance at 25 C and 1 MHz, but these are component test values rather than complete board budgets. Account for PCB capacitance, trace loading, connector effects, and external transceiver requirements in the final interface analysis.
Compliance Information
The verified excerpts identify commercial temperature grade but provide no RoHS, REACH, lead-free, halogen-free, conflict-minerals, or automotive qualification evidence. AEC-Q100 is not applicable to the listed commercial controller unless a separate qualified ordering variant is established.
