DP83223AV - Twister MLT-3 Network Transceiver | National
MPN: DP83223AV ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.66 | $7.66 |
| 10 | $7.66 | $76.60 |
| 100 | $7.66 | $766.00 |
| 500 | $7.66 | $3,830.00 |
| 1,000 | $7.66 | $7,660.00 |
DP83223AV Overview
A networking transceiver is an interface IC that converts digital logic-level data into a physical signaling format, or converts received physical signaling back into logic-compatible data. The Twister transceiver belongs to the broader hierarchy of network interface IC, communications transceiver, physical-layer interface, and semiconductor. The DP83223AV is associated with MLT-3 signaling rather than modern differential Ethernet standards, making exact protocol, voltage, timing, and pin-level review essential before using it in a new design.
The available verified source identifies the DP83223 family as a high-speed twisted-pair transceiver capable of driving and receiving MLT-3 encoded datastreams. It also identifies DP83223AV as a 28-pin PLCC device. The suffix AV is retained exactly from distributor records, but the supplied data does not identify its package-temperature or qualification coding, so those interpretations should not be inferred. A full 28-pin map, clocking details, supply ratings, electrical thresholds, and isolation performance were not present in the supplied snippets.
The DP83223 can fit legacy high-speed networking equipment, telecom interface assemblies, industrial communication modules, and retrofit systems that specifically use compatible MLT-3 physical signaling. Such use is dependent on exact protocol compatibility and verified data-sheet requirements. Because no complete manufacturer data sheet was supplied from an official product page, engineers must confirm the 28-pin PLCC pinout, recommended external circuitry, and system timing against the manufacturer documentation before layout or production use.
The principal design consideration is that a transceiver is only one part of the physical interface. Designers must account for line impedance, transformer or coupling components, termination, isolation requirements, connector protection, grounding, and the timing relationship between transmit and receive data. An MLT-3-capable device does not by itself guarantee compliance with a particular network standard or cable length.
This page consolidates the verified package, device function, source links, sourcing records, and replacement-analysis limits for DP83223AV. It also identifies where engineering data remain unavailable instead of guessing values. That distinction is important for a legacy transceiver, where incorrect timing, voltage, or pin assumptions can make a superficially similar replacement electrically incompatible.
Drop-in alternatives for DP83223AV — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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Request AlternativesDP83223AV Specifications
| Device Type | Twister high-speed networking transceiver |
| Manufacturer | National Semiconductor |
| Signal Scheme | Three-level MLT-3 encoded datastream |
| Transmit Function | MLT-3 datastream driver |
| Receive Function | MLT-3 datastream receiver |
| Interface Category | Network physical-layer transceiver |
| Package | 28-pin PLCC |
| Package Body Size | 11.43 mm x 11.43 mm |
| Pin Count | 28 pins |
| Mounting Type | Surface mount |
DP83223AV 11.43 mm x 11.43 mm Pin Configuration Guide
Pin configuration for DP83223AV (11.43 mm x 11.43 mm 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 DP83223AV.
Refer to the datasheet for full pin configuration.
Typical Applications
DP83223AV is suitable for 6 applications: Legacy MLT-3 Network Interface, Telecom Interface Equipment, Industrial Communication Retrofit, Data Concentrator Backplane, Network Interface Test Fixture, Obsolete Equipment Maintenance.
Legacy MLT-3 Network Interface
DP83223AV fits a legacy physical-layer design that already uses the DP83223 family’s three-level MLT-3 transmit and receive functions. Its verified 28-pin PLCC package allows reuse of an existing footprint only after the complete family pinout and AV suffix coding are confirmed. The transceiver can sit between the system logic and the appropriate external line-interface network. Because data rate, voltage, timing thresholds, and cable limits are absent from the supplied records, engineers must obtain the manufacturer datasheet before release and avoid assuming compatibility with modern differential Ethernet.
Recommended
Telecom Interface Equipment
DP83223AV is a candidate for legacy telecom interface equipment that uses compatible MLT-3 physical signaling. The device’s verified function is a high-speed networking transceiver in a 28-pin PLCC package, but the supplied data does not establish its operating temperature, isolation method, supply voltage, or protocol timing. Therefore, use it only in a previously validated topology or after a complete schematic, timing, and environmental review. External magnetics, termination, protection, and grounding remain part of the interface design and cannot be inferred solely from the transceiver MPN.
Recommended
Industrial Communication Retrofit
DP83223AV may support an industrial retrofit when the existing controller, wiring, and line interface already match its MLT-3 behavior. The verified package information identifies a 28-pin PLCC measuring 11.43 mm by 11.43 mm, which is useful for mechanical review. However, no temperature range, lifecycle classification, or industrial qualification appears in the supplied records. Maintenance teams should compare the original device markings and schematic against the manufacturer datasheet, preserve line impedance and protection, and avoid introducing the part into safety-critical equipment without formal qualification evidence.
Recommended
Data Concentrator Backplane
A legacy data-concentrator backplane may use DP83223AV when its architecture explicitly relies on MLT-3 encoding and the existing board is designed around the exact 28-pin PLCC. The verified function confirms that the IC can both drive and receive MLT-3 datastreams, but it does not define edge rates, output amplitude, receiver thresholds, or channel budget. Engineers must review signal-integrity requirements and test the complete interface with its intended magnetics or coupling network. A generic transceiver substitution should not be made without timing and pin-level verification.
Recommended
Network Interface Test Fixture
DP83223AV can be considered in a test fixture designed to reproduce a legacy MLT-3 network interface. Because it includes both transmit and receive functions, it may support loopback, fault-injection, or compatibility testing when the original system architecture depends on those functions. The supplied records confirm only the transceiver role and package, not the electrical limits needed to build a bench fixture. Before connecting test equipment, obtain supply, timing, logic-level, isolation, and pinout data from the full datasheet and define safe termination for unused inputs.
Recommended
Obsolete Equipment Maintenance
DP83223AV is most defensible for maintenance of equipment already designed around the DP83223 family. Third-party listings show multiple stock sources and a reported $7.66 reference price, which may help replacement planning. Nevertheless, sourcing availability does not prove exact electrical equivalence, traceability, or package condition. Maintenance teams should match the full ordering code, inspect markings, obtain a lot-specific quality record where possible, and compare the existing schematic against the manufacturer pinout. Do not adapt a non-PLCC or functionally similar transceiver to the board.
Recommended
Recommended Products Summary
Engineering reference data for DP83223AV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product |
|---|---|
| Brand | National Semiconductor |
| Package | 28-pin PLCC, 11.43 mm x 11.43 mm |
| Product Type | Twister high-speed networking transceiver |
| Signal Scheme | Three-level MLT-3 |
| Transmit Function | MLT-3 datastream driver |
| Receive Function | MLT-3 datastream receiver |
| Verified Unit Price | $7.66 as of 2026-10-22 |
Design Notes
Do not substitute a generic MLT-3 driver or another 28-pin PLCC device. The verified sources identify DP83223AV as a complete network transceiver with both transmit and receive functions, while the complete pin map and electrical thresholds are unavailable in the supplied snippets. Before schematic capture or PCB release, obtain the DP83223 family datasheet, identify every supply, ground, data, control, and analog-interface pin, and confirm the meaning of the AV ordering suffix. A valid drop-in replacement must match the footprint, pin functions, timing, and logic levels.
Treat the DP83223AV interface as a complete physical-layer design rather than an isolated logic component. Verify the intended line impedance, external magnetics or coupling network, termination method, maximum cable length, and connector protection against the full manufacturer datasheet. The available evidence confirms MLT-3 drive and receive capability but does not provide output amplitude, receiver thresholds, rise/fall timing, or jitter limits. Validate the assembled channel with realistic wiring and loading instead of deriving compliance from the transceiver name alone.
Preserve the original placement and return paths from a known DP83223AV board until the complete reference layout and pinout have been reviewed. Keep high-current or externally accessible interface nodes away from sensitive logic, provide the required bypass capacitors specified by the manufacturer, and maintain controlled return paths through magnetics and protection components. Because the supplied data contains no pin-level or layout guidance, do not invent pad assignments or assume that exposed PLCC features are electrically equivalent across devices.
The supplied sources do not provide the DP83223AV supply-voltage range or current consumption, so power planning cannot be completed reliably. Determine every supply rail, decoupling requirement, input-voltage tolerance, and signaling current from the complete manufacturer documentation. Estimated power values should not be inferred from the transceiver function. In a retrofit, retain the original protection and decoupling arrangement unless a documented revision specifically calls for a change.
Distributor listings that report stock or show the family-level DP83223 datasheet do not establish exact AV suffix equivalence, condition, traceability, or current lifecycle status. Before committing a maintenance design, request the manufacturer ordering information, inspect device markings, and obtain lot-specific quality documentation where available. The verified $7.66 price is a historical source reference as of 2026-10-22, not a guaranteed quotation or availability statement from XAIPART.
Compliance Information
The supplied verified data does not include RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations. No compliance claim should be inferred from distributor availability.
