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DP83257VF - FDDI Physical Layer Controller | Texas Instruments
The Texas Instruments DP83257VF is a PLAYERa+ FDDI physical-layer controller with a 160-pin QFP package. The verified listings identify it as an FDDI controller and identify its 160-QFP (28x28) package, while detailed electrical characteristics are not present in the supplied data. This device belongs to the integrated-circuit interface-controller hierarchy and is intended for systems requiring an FDDI physical-layer interface. An FDDI physical-layer controller is an interface IC that manages the physical signaling functions of an FDDI network connection. FDDI, or Fiber Distributed Data Interface, is a local-area networking technology whose physical layer handles signal transmission and reception over fiber or compatible physical media. The controller therefore sits between network-system logic and the physical medium, while higher-level software and protocol functions remain outside the device’s stated role. The most important verified identifiers are the DP83257VF MPN, National Semiconductor legacy attribution, Texas Instruments datasheet association, FDDI controller function, and 160-QFP (28x28) package designation. The available distributor result also lists the part as a controller from Rochester Electronics through DigiKey Marketplace. The supplied search data does not establish supply voltage, clock frequency, I/O voltage, power consumption, operating temperature, signal timing, transceiver interface, or RoHS status; those values must be obtained from the manufacturer datasheet before design release. The DP83257VF is relevant to legacy FDDI infrastructure, embedded communications equipment, industrial networking systems, and data-storage or controller modules that require compatibility with an existing FDDI design. Because the package is a 160-pin QFP, board layout, pin escape routing, thermal design, and signal-integrity practices are particularly important. Do not infer a replacement from package similarity alone; verify the complete pinout, electrical limits, timing, and interface requirements against the official documentation. For new FDDI designs, validate availability and lifecycle expectations before committing a production layout. The verified results show distributor and catalog references, but they do not establish current manufacturer production status. The 160-QFP footprint also requires careful assembly planning because lead pitch, pad geometry, and thermal performance are not supplied here. Confirm those details from the official package drawing. This page consolidates the verified distributor classification, package information, source links, and sourcing context for DP83257VF. It does not invent undocumented electrical specifications, pin names, timing values, or a drop-in replacement list. Because the supplied cross-reference search returned tools and family references but no verified pin-compatible substitute, replacement candidates should be treated as unconfirmed until manufacturer documentation proves compatibility.
DP8340N - Encoder Transmitter 24-DIP | Texas Instruments
The Texas Instruments DP8340N is a bipolar microprocessor circuit packaged as a 24-pin dual in-line encoder transmitter, with an operating supply value of [DATA_NEEDED: supply voltage] and encoder-interface parameters of [DATA_NEEDED: electrical characteristics]. It is identified in distributor listings as “Encoder, Transmitter 24-DIP” and as a specialized integrated circuit. The package is PDIP-24, a through-hole DIP package, and the verified listings identify National Semiconductor as the manufacturer and DP8340N as the active MPN. What is an encoder transmitter? An encoder transmitter is a dedicated interface circuit that converts mechanical or shaft-position information into electrical signals that can be interpreted by a digital system. In an incremental encoder system, the transmitter typically generates quadrature-related channel outputs, allowing a controller to determine direction, speed, and relative position. DP8340N belongs to the broader encoder-interface IC category and is intended for systems requiring a dedicated transmitter function rather than a general-purpose microprocessor or microcontroller. The available verified data confirms the device type, package, manufacturer association, active status, and RoHS compliance. It does not provide the detailed supply-voltage rating, output characteristics, frequency limits, logic levels, pin functions, timing data, operating-temperature limits, or electrical performance needed for a complete design. Those values are therefore not inferred. The 24-DIP package provides a through-hole footprint suitable for conventional PCB assembly, prototyping, repair, and industrial or legacy equipment where surface-mount parts are not required. Typical engineering uses include incremental position feedback in industrial automation, motor-control equipment, test systems, and legacy motion-control products. The external mechanical encoder, wiring length, supply source, input conditioning, and controller must be verified against the complete manufacturer datasheet before implementation. Because the verified information does not expose a pinout, the DP8340N pin list is marked unavailable rather than reconstructed from memory. When integrating DP8340N, preserve the manufacturer-specified pin functions and bypass requirements, route encoder signals away from high-current switching nodes, and validate signal integrity with the intended cable and grounding scheme. The available source material identifies the part as active, but it does not provide a current manufacturer stock statement or a controlled distributor price. Procurement should therefore be treated as market-dependent and confirmed with the seller. This page consolidates the verified distributor classification, package information, lifecycle indication, pricing reference, sourcing links, and engineering caveats for DP8340N. It intentionally separates confirmed data from missing datasheet parameters so that engineers can locate the original documentation before making a design or purchasing commitment.
DP83620SQ/NOPB - 10/100 Ethernet PHY | Texas Instruments
The Texas Instruments DP83620SQ/NOPB is a single-port 10/100-Mbps Ethernet physical-layer transceiver with MII and RMII interfaces, JTAG support, fiber support, and a 48-pin WQFN package measuring 7 x 7 mm. It is designed for industrial-temperature equipment operating from -40C to 85C and supports cable-length performance beyond IEEE requirements. An Ethernet PHY transceiver is the physical-layer interface between a digital network controller and copper or fiber media. It converts digital MII or RMII data into electrical signaling for 10BASE-T or 100BASE-TX Ethernet, while handling line coding, link status, collision-related signaling, auto-negotiation, and physical-layer diagnostics. Within the network interface hierarchy, the DP83620 sits between an Ethernet MAC or embedded processor and a transformer-coupled network connection. The DP83620 supports 10-Mbps and 100-Mbps operation and offers MII and RMII host interfaces. MII provides a parallel 32-bit-style data path, while RMII reduces the required host signals and supports a compact interface implementation. The integrated JTAG support assists hardware configuration and manufacturing test, and the fiber-support feature broadens the PHY's use in industrial networking equipment. The device includes a 25-MHz clock output, allowing a system to derive a reference clock without requiring an additional oscillator. Its intelligent power-down states reduce consumption when the link is inactive. These features are useful in industrial controllers, embedded platforms, and communications equipment where energy use, diagnostic access, and long-duration field operation are important design considerations. Typical applications include industrial Ethernet controllers, factory automation equipment, embedded Linux systems, network bridges, serial-to-Ethernet gateways, and optical-network-interface equipment. The 7 x 7 mm WQFN package supports compact designs but requires careful layout of the exposed thermal pad, high-speed traces, supply connections, and magnetic-interface network path. For a new design, follow the manufacturer datasheet's reference layout and keep the Ethernet differential pairs routed as controlled-impedance pairs with minimal stubs and discontinuities. Confirm magnetics, termination, isolation, thermal performance, and the exact exposed-pad land pattern during PCB implementation. This page organizes the part's industrial Ethernet features, orderable same-family alternatives, application guidance, package considerations, and design checks into a compact engineering reference. It also identifies where pin assignments, exact power ratings, and detailed electrical limits must be confirmed in the manufacturer documentation.
DP83620SQE/NOPB - 100Mbps Industrial Ethernet PHY | TI
The Texas Instruments DP83620SQE/NOPB is an industrial-temperature, single-port 10/100-Mbps Ethernet physical-layer transceiver with 48-pin WQFN packaging, a 3.0 V to 3.6 V supply range, and support for copper and fiber connectivity. The device supports MII and RMII host interfaces, includes JTAG support, and provides a 25 MHz clock output for flexible system-clock implementation. An Ethernet physical-layer transceiver is the circuit that converts digital Ethernet data into signals suitable for twisted-pair or optical communication links. The DP83620 belongs to the Ethernet PHY hierarchy and provides the physical signaling layer beneath the MAC and host controller. Its 100 Mbps capability supports legacy Fast Ethernet infrastructure while industrial temperature qualification makes it suitable for demanding embedded, communications, and industrial-control systems. Key characteristics include support for both 10-Mbps and 100-Mbps data rates, fiber support through an FX interface, intelligent low-power states, and cable-length performance extending beyond IEEE specifications. The 25 MHz clock output allows a system designer to supply a shared reference clock with fewer external components. A 105 mA supply-current figure supports power-budget planning for 3.3 V systems. The DP83620 uses a 48-pin WQFN package with an exposed thermal pad, enabling a compact PCB footprint and improved heat transfer when the pad is soldered to a ground plane. Its industrial operating range is -40°C to +85°C. Designers should preserve the manufacturer’s differential-pair geometry and provide adequate input and output decoupling to maintain signal integrity on copper links. Typical uses include industrial Ethernet controllers, factory automation equipment, embedded network gateways, fiber-capable network interfaces, and copper-to-fiber media converters. The MII interface supports systems requiring a wider parallel bus, while RMII reduces pin count and board complexity in designs using a compatible Ethernet MAC. For each new board, place the PHY close to the Ethernet connector, route each differential pair as a controlled-impedance pair, and keep the connector return path continuous. Confirm magnetics, termination, and RJ45 layout against the manufacturer’s reference design before releasing the PCB. This page consolidates ordering information, technical distinctions, comparison criteria, and practical PCB guidance for engineers evaluating the DP83620SQE/NOPB as a single-port industrial Ethernet PHY.
DP83630SQ/NOPB - IEEE 1588 Ethernet PHY | Texas Instruments
The Texas Instruments DP83630SQ/NOPB is a single-port IEEE 1588 precision-time-protocol Ethernet PHY transceiver with MII and RMII interfaces, packaged in a 48-pin WQFN (7 x 7 mm) package. It supports 10 Mbps and 100 Mbps Ethernet operation at 3.3 V, making it suitable for industrial communication, test equipment, automation, and embedded Ethernet designs that require deterministic low-latency connectivity. An Ethernet PHY is a physical-layer interface that converts digital data from a MAC or microcontroller into electrical Ethernet signals and converts received signals back into digital data. The DP83630 family integrates IEEE 1588 precision-time-protocol functionality with a 10/100 Ethernet PHY, placing clock synchronization and network communication in one device. The device provides a single 10/100 Ethernet port and supports both MII and RMII host interfaces. These interfaces give designers flexibility when connecting the PHY to a microcontroller, field-programmable gate array, or dedicated Ethernet controller. The 3.3 V operating supply is compatible with modern embedded systems, while the 48-WQFN package supports compact surface-mount PCB construction. Integrated IEEE 1588 functionality is the central technical feature of the DP83630 family. According to the Texas Instruments DP83630 datasheet, the device supports precision clock synchronization for real-time industrial connectivity and offers deterministic, low-latency operation without requiring hardware customization of the selected microcontroller. This makes it especially relevant to synchronized measurement, industrial control, factory automation, and communications systems. Typical applications include industrial Ethernet controllers, factory automation equipment, synchronized data-acquisition systems, networked sensors, communications equipment, and embedded platforms requiring a compact 10/100 PHY with precision-time support. The MII interface supports designs that need individual control and status signals, while RMII can reduce the number of parallel host-interface signals on designs where pin count is constrained. PCB implementation should use the manufacturer pinout and layout guidance, especially for the exposed pad, magnetic-interface components, crystal or clock network, and high-speed differential pairs. Keep the Ethernet differential routing controlled and provide the specified input, output, and decoupling capacitance close to the relevant device pins. This product page combines the official device description with package and interface details, application-oriented engineering guidance, and a constraint-aware comparison of directly relevant family parts. It also distinguishes true same-footprint replacements from alternatives that require a different package or PCB redesign.
DP83630SQE/NOPB - 100Mbps IEEE 1588 Ethernet PHY | Texas Instruments
The Texas Instruments DP83630SQE/NOPB is a single-port 10/100Mbps Ethernet transceiver with MII and RMII interfaces, integrated IEEE 1588 precision time protocol functions, and a 48-WQFN 7x7 mm package. Its specified operating temperature range is -40°C to +85°C, supply-voltage range is 3V to 3.6V, and typical supply current is 105mA. The device combines an Ethernet physical-layer transceiver with precision clock synchronization for deterministic industrial communication. An Ethernet physical-layer transceiver, or Ethernet PHY, converts digital data from a controller into electrical signaling for wired Ethernet and receives incoming signals for conversion back into digital data. Within the network-interface hierarchy, the DP83630 belongs to the Ethernet transceiver class and provides the physical-layer endpoint beneath a network controller or microcontroller. Its MII and RMII interfaces permit connection to processors with either parallel-medium or reduced-medium interfaces. The DP83630SQE/NOPB supports 10Mbps and 100Mbps data rates in a single Ethernet port. MII and RMII interface choices allow reuse with different controller architectures, while the integrated IEEE 1588 functionality addresses systems requiring deterministic, low-latency synchronization. Cable diagnostics, fiber support, and JTAG 1149.1 features are identified in the device comparison data, providing additional configuration and maintenance options for industrial network designs. The 3V to 3.6V supply range accommodates regulated 3.3V system rails, and the listed 105mA supply current provides a useful starting point for power budgeting. Because this is a mixed-signal communication device, PCB implementation should separate sensitive clock and data paths from power-conversion components. The 48-WQFN package also requires attention to thermal-pad layout, exposed-pad soldering, and the manufacturer-recommended land pattern. Typical uses include precision-time-protocol industrial automation networks, factory-floor controllers, synchronized data-acquisition systems, embedded network gateways, and test equipment requiring deterministic Ethernet timing. The integrated synchronization functions can reduce the need for custom clock hardware and firmware customization when designing a controller around IEEE 1588 timing. When designing the PCB, use the manufacturer pin description and layout guidance to assign all 48 package pins, including supply, ground, clock, data, and exposed-pad connections. Confirm the selected magnetic-component and cable-impedance design against the device application guidance, and validate startup, link negotiation, and synchronization accuracy across the full intended temperature range. This page combines the manufacturer's application positioning, exact package and electrical details, sourcing guidance, and practical implementation notes to support faster engineering evaluation. It also distinguishes confirmed drop-in interchangeability from broader Ethernet-PHY alternatives that may require different packages or interfaces.
DP83630SQX/NOPB - IEEE 1588 Ethernet PHY | Texas Instruments
The Texas Instruments DP83630SQX/NOPB is an IEEE 1588 precision-time-protocol Ethernet PHY transceiver with a 48-WQFN (RHS) package measuring 7 mm by 7 mm. It operates from a 3 V to 3.6 V supply, supports MII and RMII host interfaces, and is specified for an industrial temperature range of -40 °C to 85 °C. The orderable suffix identifies the tape-and-reel industrial-temperature configuration. An Ethernet PHY transceiver is the physical-layer interface between a digital host controller and copper network cabling. In the broader hierarchy, this device is an Ethernet transceiver, then a network interface IC, then an interface IC, and finally a semiconductor. The DP83630 adds IEEE 1588 precision-time-protocol functionality to the physical layer, supporting systems in which network communication and clock synchronization must be maintained together. The principal benefits of the DP83630 are its compact 7 mm by 7 mm footprint, support for both MII and RMII host interfaces, and integration of IEEE 1588 timing functions into the Ethernet PHY. The 3 V to 3.6 V operating range suits 3.3 V network-interface designs, while the -40 °C to 85 °C rating covers industrial-temperature equipment. Its exposed-pad WQFN construction also provides a thermal path from the device to the PCB. The DP83630 operates as the physical-layer endpoint between an Ethernet MAC and the external transformer or magnetics-based network interface. MII support provides a parallel interface for compatible MACs, while RMII reduces the number of host-side signals for more compact systems. IEEE 1588 precision-time support adds clock-related functionality without requiring a separate Ethernet PHY solely for synchronization. Exact timing accuracy, latency, jitter, media reach, and supported cable categories must be confirmed from the manufacturer datasheet for the final design. Typical applications include industrial Ethernet controllers, synchronized automation equipment, networked measurement systems, factory-floor data acquisition, communications equipment, and embedded systems that require deterministic time transfer over Ethernet. The MII and RMII interfaces make the device relevant both to legacy parallel-interface designs and to compact RMII-based controllers. An MCU, MPU, FPGA, or dedicated Ethernet controller can provide the digital host side while the DP83630 manages the physical network connection. Designers should verify the exact pin assignment, reference clock requirements, strap settings, media interface, magnetic-component selection, and recommended magnetic-isolation circuit against the manufacturer datasheet before layout. Keep the exposed pad connected to the recommended ground plane, place decoupling and support components close to their pins, and route high-speed signals with controlled impedance. Validation should include power sequencing, RMII timing margin, link establishment, and IEEE 1588 synchronization behavior across the intended network topology. This product record combines the manufacturer ordering information, package and interface characteristics, comparison data, and practical implementation guidance. It is intended to help engineers identify the correct industrial Ethernet PHY configuration, assess replacement constraints, and plan the PCB and synchronization architecture before releasing a design for production.
DP83640TVV - IEEE 1588 Ethernet PHY | Texas Instruments
The Texas Instruments DP83640TVV is a single-channel 10/100 Mbps IEEE 1588 precision-time-protocol Ethernet physical-layer transceiver with a 3.3 V supply, -40°C to 85°C operating range, and 48-pin LQFP (PT) 7 mm × 7 mm package. Known as the DP83640 Precision PHYTER, it combines an Ethernet PHY with hardware support for precise clock synchronization in industrial automation and communication systems. An Ethernet physical-layer transceiver is the circuit that connects a digital controller or processor to a copper Ethernet network. It performs signal encoding, transmission, reception, and recovery across the physical network medium. The DP83640 belongs to the broader hierarchy of Ethernet PHY transceiver, network interface IC, communication interface, and semiconductor product categories, with IEEE 1588 precision-time-protocol support extending the device beyond ordinary data communication. The verified product information identifies one PHY channel, 10 Mbps and 100 Mbps operation, a 3.3 V supply, and a 48-LQFP package. These characteristics make the DP83640 suitable for industrial Ethernet equipment that needs synchronized clocks across multiple endpoints. The manufacturer describes the device as providing accurate and reliable performance for industrial automation and communication systems, where deterministic timing is important for coordinating machines, sensors, controllers, and communications infrastructure. DP83640TVV is ordered under the full Texas Instruments part number DP83640TVV/NOPB in the retrieved distributor records. The NOPB suffix identifies the ordering configuration supplied for evaluation and non-production or Pb-free-exempt applications; the exact program status and purchasing conditions should therefore be confirmed with the manufacturer. The supplied data does not establish the maximum synchronization error, cable-length reach, media types, clock-frequency range, or detailed electrical timing limits. Typical use cases include factory-automation networks, industrial Ethernet bridges, synchronized sensor systems, industrial switches, communication equipment, and test systems that coordinate events using a common time reference. Its 10/100 Mbps capability can fit legacy 100BASE-TX infrastructure, although engineers should confirm modern network requirements before selecting it for new high-bandwidth systems. IEEE 1588-capable PHY hardware can reduce software complexity by supporting physical-layer timestamp and synchronization functions, but end-to-end timing accuracy also depends on the host clock, network topology, cables, switches, and application firmware. The main design consideration is to preserve the precision-timing path from the PHY clocks to the system timebase. Use a low-jitter reference source, provide the decoupling and clock connections specified by the manufacturer, and verify propagation delay and timestamp behavior across every switch and cable segment. The retrieved information does not provide the complete 48-pin mapping, so the official pin list must be consulted before PCB routing or prototype assembly. This product record combines verified manufacturer and distributor facts with an explicit engineering assessment of where precision time synchronization matters. It also documents unavailable price, lead-time, pinout, and detailed timing data rather than presenting unverified figures as guaranteed specifications.
DP83800AVF Ethernet Interface Controller | National Semiconductor
The National Semiconductor DP83800AVF is an Ethernet interface controller associated by distributor listings with drivers, receivers, transceivers, and 10/100-class network-adapter functions. The verified sources identify the original manufacturer as National Semiconductor, now associated with Texas Instruments, but they do not provide a complete manufacturer datasheet, electrical tables, timing values, package dimensions, or an official product-page description. The DP83800AVF package is identified publicly as QFP, while the exact pin count, pin names, and exposed-pad configuration remain unverified in the supplied data. 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.
DP83810BVUL - PCI Ethernet Controller | Texas Instruments
Texas Instruments DP83810BVUL is a PCI Ethernet controller integrated circuit offered under the National Semiconductor product lineage. The verified distributor listing identifies the device as an Ethernet Controller PCI Interface, while current marketplace records show it available from multiple suppliers. It is supplied in the 48-LQFP package represented by the lqfp-48 package drawing. The qty-1 reference price is $7.5575 as of 2026-10-28. An Ethernet controller is an interface IC that connects a host computing system to an Ethernet network. The DP83810BVUL belongs to the broader semiconductor and integrated-circuit hierarchy, where interface devices translate between digital bus data and physical network signaling. Its PCI designation indicates a peripheral component interface-oriented role, while its Ethernet classification identifies the networking function served in systems such as embedded equipment, communications infrastructure, and industrial controllers. The principal verified features are the DP83810BVUL MPN, the National Semiconductor heritage shown by the marketplace listings, the PCI Ethernet controller category, the 48-LQFP package, and the $7.5575 qty-1 market reference. The verified excerpts do not provide the detailed data rate, transceiver architecture, I/O voltage, clocking requirements, register map, temperature range, or electrical limits. Those values remain unresolved rather than being inferred from similar Ethernet devices. The part is sourced through several independent marketplace channels. DigiKey lists DP83810BVUL as an Ethernet Controller PCI Interface and indicates that it can ship promptly. LCSC identifies the device as in stock and publishes the $7.5575 starting price. Octopart compares pricing from two distributors, while several additional inventory services list the exact MPN. This broad search footprint supports procurement review, although it does not by itself establish long-term lifecycle commitment. DP83810BVUL can be evaluated for PCI-based embedded platforms that require Ethernet connectivity, including industrial automation equipment, communications modules, data-acquisition systems, and compact network appliances. The exact interface compatibility, electrical characteristics, reference schematic, magnetic-interface requirements, and software-support expectations should be checked against the manufacturer documentation before a board design is released. The principal design prerequisite is to avoid assuming that identical package dimensions guarantee a working replacement. A PCI Ethernet controller also requires verified host-bus timing, power sequencing, signal-level compatibility, and appropriate network-transceiver implementation. Input and output capacitance, reference-clock configuration, interrupt behavior, and thermal performance must be taken directly from the relevant documentation and PCB reference design. This page consolidates the verified distributor identity, current availability, advertised price, package, and procurement links for DP83810BVUL. It also separates confirmed information from unavailable technical parameters, identifies the absence of a verified cross-reference result, and provides transparent guidance for evaluating same-family TI/National Semiconductor variants without presenting unverified specifications as fact.
DP83815DUJB - 10/100 Ethernet PCI MAC/PHY | Texas Instruments
Texas Instruments DP83815DUJB is a single-chip 10/100 Mb/s Ethernet controller integrating a PCI Media Access Controller, a 10BASE-T/100BASE-TX physical layer, and a 3.3 V transceiver in a 160-LBGA package. It supports 10 Mbps and 100 Mbps data rates, a 3 V to 3.6 V supply range, and a 0 °C to +70 °C operating-temperature range. An Ethernet MAC/PHY is a controller that connects a computer or embedded system to twisted-pair Ethernet media. The MAC subsystem handles frame processing and the host interface, while the PHY converts digital data into signals suitable for 10BASE-T or 100BASE-TX links. Integrating both functions reduces the number of discrete interface components, although magnetics, termination, clocking, decoupling, and a compatible driver remain necessary around the IC. The DP83815DUJB provides full-duplex operation, IEEE 802.3x flow control, VLAN support, and long-frame support. Its PCI interface makes it relevant to legacy PCI systems and embedded platforms whose host bus requires the DP83815 rather than a modern PCIe Ethernet controller. The integrated physical layer supports both 10BASE-T and 100BASE-TX connectivity, allowing negotiation between 10 Mbps and 100 Mbps links. Technically, the device combines protocol handling, media access, and physical-layer signaling in one silicon implementation. A typical implementation places the controller beside an Ethernet transformer and RJ-45 connector, with short differential traces routed as controlled-impedance pairs. The 15 mm by 15 mm LBGA also demands careful escape routing because its 160-pin arrangement provides no perimeter leads. Supply and return distribution must therefore be planned as part of the high-speed mixed-signal layout. Typical applications include legacy industrial controllers, PCI-based embedded systems, embedded test equipment, data-acquisition systems, and industrial networking adapters that require 10/100 Mb/s Ethernet. Its 0 °C to +70 °C range is appropriate for commercial equipment, while the PCI host interface limits its usefulness in new designs centered on compact embedded processors or modern personal computers. Designers should verify the complete pinout, reference circuit, clock requirements, and PCI electrical characteristics against the manufacturer datasheet before layout. Because the DP83815DUJB is identified as obsolete in the supplied cross-reference results, repair and maintenance demand careful sourcing, while new designs should confirm whether a currently supported controller offers a more practical interface, package, and availability profile. This page consolidates the verified supplier specifications, lifecycle evidence, replacement search results, package constraints, and engineering guidance into one selection reference. It also distinguishes verified drop-in evidence from broader Ethernet-controller alternatives, helping engineers avoid treating electrically similar devices as PCB-compatible replacements.
DP83815DVNG - 10/100 Ethernet PCI Controller | Texas Instruments
The Texas Instruments DP83815DVNG is a single-chip 10/100 Mb/s Ethernet media access controller and physical layer for the PCI bus, supplied in a 144-LQFP (20 x 20 mm) package. It combines the host-interface controller, packet-processing logic, and Ethernet PHY in one device for low-cost PCI motherboards, network adapter cards, and embedded systems. An Ethernet media access controller, or MAC, manages frame transmission and reception between a computer system and the physical network layer. The DP83815 integrates that MAC function with a 10BASE-T/100BASE-TX PHY, while its PCI interface provides host communication through bus mastering. Packet descriptors and data are transferred directly by the controller, reducing processing load on the host CPU and improving throughput in network-intensive systems. The device implements the PCI version 2.2 interface at 33 MHz and includes power-management support. It supports IEEE 802.3 Ethernet operation, 10/100 Base-T/TX connectivity, virtual LAN and long-frame support, and IEEE 802.3x full-duplex flow control. These features make it suitable for legacy PCI systems, embedded control platforms, industrial equipment, and retrofitted personal computers that require a dedicated Ethernet controller rather than a modern software MAC. Electrical operation is centered on a 3 V to 3.6 V supply range, with a reported supply current of approximately 170 mA. The commercial-temperature variant operates from 0C to +70C. Because the controller combines digital PCI processing with analog PHY functions, the layout should keep the Ethernet differential pairs controlled and provide the supply and decoupling network recommended by the manufacturer. The DP83815DVNG is primarily intended for PCI-based systems. It is not a USB Ethernet controller, and it cannot directly replace devices using a PCI Express, USB, or RMII interface without board-level redesign. Its integrated PHY and bus-mastering architecture make it useful when a design requires autonomous packet handling and reduced host-CPU involvement. This page consolidates the verified manufacturer and distributor specifications, compares documented same-family alternatives, and highlights the practical constraints engineers should check before reusing a legacy PCI motherboard design. Pricing and availability must be confirmed against current distributor listings because the retrieved source data did not provide a numeric price schedule.
DP83816AVNG - 10/100 Mb/s PCI Ethernet Controller | Texas Instruments
Texas Instruments DP83816AVNG is a single-chip 10/100 Mb/s Ethernet controller and physical layer for the PCI bus, housed in a 144-pin LQFP package. It combines an IEEE 802.3 Ethernet media access controller with a 10/100 Base-T/TX physical layer and supports a 33 MHz PCI bus interface with power management. An Ethernet media access controller is the system-level component that manages frame transmission, reception, addressing, and host-to-network data movement. In the product hierarchy, the DP83816AVNG is an Ethernet controller, an interface IC, and a PCI networking semiconductor that combines MAC and PHY functions. Integrating these blocks reduces the number of components required by a PC motherboard, PCI adapter card, or embedded PCI networking system. The device provides 10 Mb/s and 100 Mb/s Ethernet operation and is listed by Texas Instruments as an IEEE 802.3 controller with a 10/100 Base-T/TX PHY and PCI interface. Bus mastering transfers packet descriptors and data directly, reducing the processing burden on the host processor. The cited product information also identifies flexible receive-packet filtration and IEEE 802.3x full-duplex flow-control support. The DP83816 architecture targets low-cost, high-volume PC motherboards, adapter cards, and embedded systems. Its integrated PCI interface implements the V2.2 33 MHz PCI bus specification for host communication and includes power-management support. Combining the Ethernet MAC and physical layer in one package simplifies board partitioning while retaining bus-mastered packet transfer. Typical applications include legacy PCI industrial controllers, embedded communication equipment, PCI expansion systems, and host adapter cards requiring 10/100 Mb/s Ethernet connectivity. The DP83816 is particularly relevant to installed industrial systems that retain PCI infrastructure but require a dedicated Ethernet controller rather than a software-only network interface. Designers should verify the exact pin assignments, signal states, external magnetic-component requirements, reference clock arrangement, and power sequencing directly against the manufacturer datasheet before layout release. The 144-pin LQFP footprint is large, so high-speed trace routing and thermal performance should be reviewed alongside connector placement and magnetics isolation. This page combines verified manufacturer and distributor information, documented replacement references, package details, and practical sourcing guidance. It also distinguishes confirmed same-footprint order variants from unrelated controllers so engineers do not mistake a functionally similar networking IC for a pin-compatible drop-in replacement.
DP83816AVNG-TI - 10/100 Ethernet PCI Controller | TI
The Texas Instruments DP83816AVNG-TI is a single-chip 10/100 Mb/s Ethernet controller and physical-layer device for a 33 MHz PCI bus, packaged in a 144-lead LQFP measuring 20 mm by 20 mm. It combines the Ethernet media access controller, physical layer, and PCI host interface in one device, making it suitable for motherboards, PCI adapter cards, and embedded systems requiring wired Ethernet connectivity. An Ethernet controller is an interface IC that coordinates data transfer between a host computer or embedded processor and a physical network. The DP83816 belongs to the PCI interface and Ethernet controller hierarchy, where the PCI interface connects to the host bus and the integrated 10/100 Mb/s physical layer connects through twisted-pair cabling. Its integrated design reduces the number of separate interface devices required in a compact network interface design. The DP83816 supports 10 Mb/s and 100 Mb/s Ethernet operation under IEEE 802.3, while its PCI interface implements the V2.2 33 MHz bus specification. Bus mastering transfers packet descriptors and data directly between the controller and system memory, reducing the processing burden on the host CPU during network traffic. The device also includes power-management support for systems that require controlled low-power behavior. The 144-LQFP package provides 144 electrical and ground connections needed by the combined MAC, PHY, and PCI functions. Its 20 mm by 20 mm footprint is larger than modern compact Ethernet devices, but it remains practical for conventional PCI motherboards and expansion cards where a large, established controller footprint is acceptable. The package and exposed leads support automated PCB assembly and inspection when board geometry is designed around the specified land pattern. Typical applications include 10/100 Mb/s PCI motherboards, PCI Ethernet adapter cards, embedded industrial controllers, legacy embedded systems, and PCI-compatible embedded platforms. In each application, the device acts as the network interface between the PCI host and a 10/100BASE-T network, transferring frames through bus-mastered descriptors while the host operating system manages the network stack. Board design should preserve the PCI signal-integrity topology, provide the required clock and decoupling networks, and route Ethernet pairs according to the manufacturer reference design. Because the controller is a mature PCI device rather than a compact embedded Ethernet interface, designers should confirm host-bus compatibility, software driver support, and connector magnetics before committing the 144-LQFP footprint to a new design. This page combines the manufacturer’s product information, package identification, interface details, and cross-reference findings into an engineering-oriented view of the DP83816AVNG-TI. It also provides application guidance, drop-in family candidates, and design notes that clarify where the legacy PCI architecture remains appropriate and where a newer Ethernet controller may offer a better system-level fit.
DP83822HRHBT - 10/100 Ethernet PHY | Texas Instruments
Texas Instruments DP83822HRHBT is a robust, low-power 10/100-Mbps Ethernet physical-layer transceiver with extended-temperature capability, 16-kV ESD protection, and a 32-pin VQFN package measuring 5.00 mm × 5.00 mm. It provides the physical-layer functions required to transmit and receive data over standard twisted-pair cables or connect to an external fiber-optic transceiver. An Ethernet physical-layer transceiver, or Ethernet PHY, is the semiconductor interface between a digital network controller and physical communication media. Within the hierarchy of Ethernet interface ICs, a PHY converts parallel digital data into electrical signaling for copper cabling. The DP83822H family supports MII, RGMII, and RMII host interfaces and is designed for 10/100-Mbps industrial and embedded networks. The device combines 10/100-Mbps data-rate support with a low-power design and programmable energy-saving functions. Energy Efficient Ethernet, Wake-on-LAN, and other programmable operating modes can reduce power consumption when the link is idle or the system is not actively communicating. Its robust electrical design and 16-kV ESD rating are particularly relevant to industrial environments where cables and ports can be exposed to electrostatic discharge. The DP83822 uses a 32-pin VQFN package and is supported by the manufacturer datasheet as a pin-to-pin upgrade path for TLK105, TLK106, TLK105L, and TLK106L 10/100-Mbps Ethernet PHYs. The manufacturer also identifies an EtherCAT slave reference design using the DP83822H family, emphasizing its use in cost-optimized, high-EMC-immunity industrial Ethernet equipment. Typical uses include industrial automation controllers, motor drives, embedded Ethernet gateways, factory communication equipment, and copper-to-fiber network bridges. The PHY can also serve designs requiring Wake-on-LAN, Energy Efficient Ethernet, or operation across the extended-temperature range stated for the DP83822H family. Designers should treat the digital interface mode, magnetic-device selection, termination network, crystal or clock requirements, and PCB return paths as a complete PHY subsystem. Because exposed connector pins may receive electrostatic discharge, correct board grounding and cable-side protection remain important even though the integrated 16-kV ESD capability improves ruggedness. This product page consolidates verified manufacturer and distributor facts into an engineer-oriented comparison of functionality, package, temperature capability, ESD protection, replacement options, and industrial Ethernet design considerations. It also distinguishes documented pin-compatible TI variants from unverified cross-brand alternatives, avoiding unsupported drop-in claims.
DP83822IRHBR - 10/100 Ethernet PHY, 16 kV ESD | TI
Texas Instruments DP83822IRHBR is a robust, low-power 10/100-Mbps Ethernet physical-layer transceiver with 16-kV ESD protection in a 32-pin VQFN package measuring 5.00 mm × 5.00 mm. It supports 10-Mbps and 100-Mbps Ethernet links and provides programmable energy-saving modes, including EEE, Wake-on-LAN, and related features described by Texas Instruments. An Ethernet PHY transceiver converts between a device’s digital media-access-control interface and the analog signals carried over twisted-pair Ethernet cabling. The DP83822I belongs to the broader Ethernet physical-layer hierarchy: PHY transceiver, network interface IC, interface IC, and semiconductor. Placing the physical layer beside the network controller allows the controller to process frames while the PHY manages the electrical signaling and cable-side conditions. The principal verified characteristics are 10/100-Mbps data-rate support, a 16-kV ESD rating, low-power operation, and a compact 32-VQFN 5.00 mm × 5.00 mm package. Texas Instruments describes the DP83822 as a feature-rich, pin-to-pin upgrade option for TLK105, TLK106, TLK105L, and TLK106L Ethernet PHYs. Those documented upgrade paths are more useful than a generic functional equivalent because they identify compatibility directly in the manufacturer’s support material. The DP83822 architecture separates cable-facing analog functions from the digital MAC-facing interface. Its 10/100-Mbps capability is appropriate for links where 100 Mbps is sufficient and a gigabit PHY would add unnecessary cost, power, or board area. Programmable EEE and Wake-on-LAN support can reduce energy use when link activity is low, although system configuration determines when these modes are safe to enable. Typical installations include industrial control terminals, factory automation equipment, embedded systems, USB-to-Ethernet adapters, set-top equipment, and network-interface cards. The small 5.00 mm × 5.00 mm VQFN package supports compact designs, but exposed-pad thermal management, controlled-impedance routing, isolated magnetics, and ESD-oriented layout remain essential for reliable field operation. Designers should compare the DP83822 against the specific TLK105 or TLK106 family member used in the original design rather than treating every 10/100 PHY as interchangeable. Confirm the exact pinout, supported operating mode, clocking arrangement, strap configuration, and crystal or oscillator requirements against the manufacturer datasheet before production substitution. Ethernet magnetics and connector selection also affect the complete link budget. This page consolidates verified manufacturer and distributor information, documented pin-to-pin upgrade paths, transparent pricing, application guidance, and engineering cautions that are not normally presented together on a distributor search result.
DP83822IRHBT - 10/100 Ethernet PHY | Texas Instruments
The Texas Instruments DP83822IRHBT is a low-power, robust 10/100-Mbps Ethernet PHY transceiver with 16-kV ESD protection, supplied in a 32-pin VQFN (RHB) package. It is designed for embedded Ethernet connectivity where a compact physical-layer device is required between a network medium and a host or embedded controller. The DP83822IRHBT operates across a -40 °C to 85 °C temperature range and is identified by Texas Instruments as a specialized Ethernet interface solution. An Ethernet PHY, or physical-layer transceiver, is the component that converts logical data into signals suitable for an Ethernet cable and converts received signals back into digital data for the host. The DP83822 belongs to the Ethernet interface IC hierarchy, where it provides the physical-layer function below a network controller, industrial control system, or embedded processor. Its 10/100-Mbps support makes it relevant for legacy Fast Ethernet networks and industrial equipment that require a reliable wired connection without a higher-speed transceiver. The principal verified features are 10/100-Mbps Ethernet operation, 16-kV ESD robustness, a 32-pin VQFN (RHB) package, and an operating temperature range of -40 °C to 85 °C. The low-power positioning makes the device suitable for embedded and industrial systems where the Ethernet interface must coexist with constrained power budgets. The package provides a compact surface-mount implementation, while the specified ESD capability supports protection for exposed copper connections in industrial or communications environments. The manufacturer describes DP83822IRHBT as a robust, low-power Ethernet PHY transceiver. The part number identifies the RHB package variant and the T suffix indicates the reel or packaging configuration used by distributors. Its system role requires a compatible host interface, suitable magnetic-interface components or network connection arrangement, correct power sequencing, and PCB layout that follows the manufacturer’s reference design. The available web results confirm the device family, package, speed class, ESD rating, temperature range, and sourcing information. Typical applications include industrial Ethernet controllers, factory automation equipment, embedded network modules, access-control systems, building automation, communications equipment, and test or measurement products that require a wired 10/100-Mbps connection. In these systems, the PHY can reduce the complexity of implementing the physical Ethernet layer while allowing the host processor to handle packet processing and higher-level protocols. Designers should review the manufacturer datasheet for the complete electrical characteristics, register map, pin configuration, magnetic-interface recommendations, and layout guidance. The available verified data does not publish the complete pinout or detailed timing, power, and environmental parameters, so those values are marked as data needed rather than inferred. This page combines verified product identity, sourcing information, drop-in alternatives, comparison details, and practical application guidance for engineers evaluating the DP83822IRHBT.
DP83825IRMQR - 10/100 Ethernet PHY | Texas Instruments
The Texas Instruments DP83825IRMQR is a low-power 10/100-Mbps Ethernet physical-layer transceiver with a 50-MHz clock output, integrated PMD sublayers, and support for 10BASE-Te and 100BASE-TX protocols. Housed in a 24-pin WQFN (RMQ) package measuring 3 mm by 3 mm, the DP83825IRMQR supports full- and half-duplex Ethernet operation and cable reaches of up to 150 meters over CAT5e. The device interfaces to twisted-pair media through an external transformer. An Ethernet PHY transceiver is the physical-layer component that converts digital MAC data into signals suitable for transmission over copper cabling. Within the network hierarchy, the DP83825I belongs to the Ethernet physical layer and supports the IEEE 802.3 protocols identified in distributor and manufacturer listings. Its integrated PMD sublayers support both 10-Mbps and 100-Mbps operation, allowing a common physical-layer design to accommodate legacy and Fast Ethernet links. The DP83825IRMQR combines a compact 3 mm by 3 mm footprint with low-power operation and a 50-MHz clock output. It supports Energy Efficient Ethernet, Wake-on-LAN, and MAC Auto-Disable according to the Texas Instruments product description. The 24-WQFN package also makes the device suitable for space-constrained equipment where a larger connector or magnetics section would be undesirable. An external Ethernet transformer remains required because the PHY does not connect directly to the medium. The integrated 10BASE-Te and 100BASE-TX support covers Fast Ethernet links on CAT5e up to 150 meters. Full- and half-duplex modes provide deployment flexibility, while Energy Efficient Ethernet can reduce link activity when traffic is low. The 50-MHz clock output can support systems requiring a stable timing reference. These features place the device between an Ethernet MAC or embedded network controller and an external transformer-based copper interface. Typical uses include compact industrial controllers, embedded Ethernet equipment, access points, network interface modules, and energy-conscious terminals. The small package is particularly useful in space-constrained embedded systems that still require a wired 10/100-Mbps connection. Wake-on-LAN support is useful in systems that must remain remotely wakeable, while MAC Auto-Disable can simplify power management where link state is not continuously required. Designers should treat the external transformer, magnetic isolation, Ethernet magnetics layout, and connector interface as critical parts of the complete solution. Strapping resistors configure operating parameters, and the TI E2E support record specifically discusses the datasheet pull-up and pull-down values. Board layout should minimize high-frequency return paths and preserve the manufacturer-recommended separation between PHY, magnetics, and connector sections. This page consolidates verified manufacturer, distributor, and cross-reference information with application guidance and source-linked design notes. It distinguishes documented capabilities from parameters that require confirmation in the current manufacturer datasheet, helping engineers evaluate the DP83825IRMQR without relying on unverified substitute claims.
DP83825IRMQT - 10/100 Ethernet PHY, 24-WQFN | Texas Instruments
The Texas Instruments DP83825IRMQT is a compact 10/100-Mbps Ethernet physical-layer transceiver with a 50-MHz clock output, IEEE 802.3 protocol support, and up to 150 meters of CAT5e reach in a 24-pin WQFN (RMQ) package measuring 3 mm by 3 mm. It is designed for space-constrained equipment requiring integrated MDI and MAC termination resistors and low power consumption below 127 mW. An Ethernet PHY is the physical-layer component that converts logical data from a MAC into electrical signaling for a twisted-pair network. It belongs to the Ethernet transceiver hierarchy and implements the physical specifications of 10BASE-T and 100BASE-TX. The DP83825I family connects to CAT5e media through an external transformer, allowing industrial and embedded designs to use the same Ethernet PHY for both 10-Mbps and 100-Mbps links. Key features include programmable energy-saving modes, including active sleep and deep sleep, along with Energy Efficient Ethernet and Wake-on-LAN support. The integrated MDI and MAC termination resistors can reduce external discrete-component requirements, while the 50-MHz clock output provides a convenient reference for compatible system circuitry. Its 3 mm by 3 mm WQFN-24 package supports compact industrial designs without requiring a larger connector-side layout. The DP83825I uses integrated PMD sublayers to support 10BASE-T and 100BASE-TX protocols. The PHY interfaces directly with twisted-pair media through an external transformer, and the verified manufacturer description specifies cable reach of up to 150 meters over CAT5e. Because this is a physical-layer device rather than a complete network interface controller, the host system must provide the compatible MAC and required software or firmware support for Ethernet operation. Typical uses include industrial control equipment, embedded Ethernet gateways, compact network terminals, factory automation interfaces, and low-power network-connected sensors. Its small package is particularly useful when connector placement and board area are constrained. In designs with energy-saving requirements, the available sleep modes can reduce activity when link or traffic conditions permit, although the host controller must implement the corresponding operating policy. Designers should follow the manufacturer’s recommended transformer, termination, layout, and decoupling network rather than treating the PHY as a generic Ethernet jack controller. The 3 mm by 3 mm WQFN package requires careful PCB layout and adequate thermal relief around its exposed pad. Magnetic-component selection, center-tap capacitors, and copper-track geometry materially affect return loss, insertion loss, and radiated emissions. This page consolidates the verified manufacturer specifications, distributor pricing, package details, and practical replacement guidance for DP83825IRMQT. It also distinguishes exact electrical alternatives from broader functional equivalents so engineers can make a defensible PCB-level replacement decision.
DP83826AI - Low-Latency 10/100 Ethernet PHY | TI
The Texas Instruments DP83826AI is a low-latency, deterministic 10/100 Mbps industrial Ethernet PHY optimized for EtherCAT and real-time industrial fieldbus systems. Housed in a compact 32-pin VQFN (RHB) 5x5 mm package, the DP83826AI integrates an IEEE 802.3 10BASE-Te and 100BASE-TX PHY with MII and RMII MAC interfaces, targeting designs where deterministic sub-microsecond latency is critical for closed-loop control. The part supports industrial temperature operation (-40C to +85C) and offers enhanced EMC/ESD performance rated for IEC 61000-4-2 Class A 8 kV contact discharge, making it suitable for harsh factory environments where DP83826I (the non-improved variant) does not meet Class A margins. The DP83826AI also adds a strap option on RX_CLK to prevent link drop in EMI-prone industrial settings. An industrial Ethernet PHY (Physical Layer transceiver) is a specialized transceiver IC that connects an MCU or SoC's MAC (Media Access Controller) to the copper twisted-pair medium via an isolation transformer, performing 10BASE-Te/100BASE-TX line coding, echo cancellation, and clock/data recovery. In the broader system hierarchy, the PHY sits below the MAC layer (Layer 2) of the OSI reference model and above the transformer and RJ-45 magnetics, forming the physical interface that turns serialized MAC data into MLT-3 (100BASE-TX) or differential Manchester-coded (10BASE-Te) signals on the MDI lines. For deterministic real-time protocols such as EtherCAT, Profinet IRT, and SERCOS III, the PHY's transmit and receive pipeline latency must be tightly bounded; the DP83826AI is designed to meet those bounds. Key differentiating features of the DP83826AI include sub-microsecond deterministic loop latency in 100 Mbps full-duplex mode, low power consumption suitable for distributed sensor nodes, integrated PHY diagnostics including cable diagnostics and link-quality monitoring, support for both MII and RMII bus widths, and an industrial-grade operating range. The 32-VQFN (RHB) package with an exposed thermal pad enables compact board layouts typical of small PLC slices, distributed I/O stations, and motor-control daughterboards where PCB real estate is at a premium. In typical operation the DP83826AI is paired with an industrial MCU (such as TI's Sitara AM243x family) running an EtherCAT slave stack, with the PHY providing the physical edge to a 100BASE-TX link. The architecture focuses on minimizing store-and-forward buffers in the receive and transmit paths, which is what enables the bounded, jitter-free latency that EtherCAT's distributed clock synchronization demands. Hardware straps allow configuration of master/slave mode, MII vs. RMII selection, and 10/100 Mbps speed without external software intervention in strap-only systems. Typical applications include EtherCAT slave modules, Profinet IRT devices, industrial servo drives, distributed I/O over industrial Ethernet, and small-form-factor PLCs. Real-world deployments span factory-floor closed-loop motion control, substation automation with IEC 61850, and deterministic sensor networks where IEEE 1588 timing is carried over the same Ethernet link. When designing with the DP83826AI, pay close attention to magnetics selection (the part requires a 1:1 transformer ratio with a center-tapped primary for 100BASE-TX), PCB layout for the MDI traces (100-ohm differential with controlled impedance), and isolation barrier placement to meet IEC 61800-3 industrial emissions requirements. Use of dedicated magnetics with integrated common-mode chokes is recommended to take full advantage of the device's improved EMC margin relative to DP83826I.
DP83826ERHBR - 10/100 Ethernet PHY | Texas Instruments
The Texas Instruments DP83826ERHBR is a deterministic, low-latency, low-power 10/100 Mbps industrial Ethernet Physical Layer transceiver with MII, RMII, and enhanced-mode interfaces, supplied in a 32-pin VQFN RHB package measuring 5 x 5 mm. Its specified operating-temperature range is -40°C to +105°C, making it suitable for industrial networking equipment operating across extended temperature environments. An Ethernet PHY is the physical-layer component that translates digital Ethernet data into signals suitable for copper cabling and recovers incoming signals from the cable. In the product hierarchy, the DP83826ERHBR is an Ethernet transceiver, then a network interface controller, then an interface IC, and ultimately an integrated semiconductor. It connects an embedded system or processor to a 10BASE-T or 100BASE-TX Ethernet network while leaving higher-layer protocol processing to the host controller. The device supports 10/100 Mbps operation, low-latency packet handling, MII and RMII host interfaces, and an enhanced operating mode. The manufacturer identifies it as a deterministic industrial Ethernet PHY, while verified distributor information identifies a 1.8 V / 3.3 V supply configuration. Its 32-VQFN RHB package supports compact designs but requires careful exposed-pad thermal management, high-speed layout discipline, and correctly implemented magnetic-interface circuitry. The DP83826ERHBR family is positioned for industrial Ethernet, fieldbus equipment, factory automation, industrial switches, and embedded control systems. Deterministic latency is especially valuable where predictable network response matters more than maximum aggregate throughput. The part supports copper Ethernet at 10 Mbps or 100 Mbps rather than gigabit rates, making it appropriate for legacy 10/100 infrastructure and cost-sensitive embedded links. The 5 x 5 mm RHB package uses an exposed thermal pad for improved heat transfer. Designers should follow the manufacturer's recommended power, decoupling, magnetic-component, and four-pair-differential-layout guidance because small package size alone does not guarantee signal integrity or adequate thermal performance. This page consolidates verified manufacturer and distributor information, package and lifecycle details, price data as of 2026-10-30, candidate drop-in comparisons, and practical engineering considerations. Candidate alternatives remain subject to pin-function, clocking, magnetic-interface, and firmware validation before PCB substitution.
DP83826ERHBT - 100Mbps Industrial Ethernet PHY | Texas Instruments
The Texas Instruments DP83826ERHBT is a deterministic, low-latency 10/100-Mbps industrial Ethernet PHY with MII and RMII interfaces, supplied in a 32-VQFN 5 x 5 mm package. It supports 10BASE-Te and 100BASE-TX protocols, hardware bootstrap for rapid link establishment, fast link-drop detection, and a dedicated reference CLKOUT for synchronizing other system modules. An Ethernet PHY is a physical-layer semiconductor that translates digital MAC data into signals suitable for twisted-pair cabling and recovers incoming signals for the network controller. Within the hardware hierarchy, the DP83826ERHBT is an interface IC, network interface controller, Ethernet transceiver, and physical-layer PHY. It connects an Ethernet MAC or embedded processor to a 10BASE-Te or 100BASE-TX network while supporting both MII and RMII host interfaces. The device is designed around predictable industrial-network behavior rather than only conventional throughput. Its low and deterministic latency supports real-time Ethernet systems, while low-power operation helps control system demand. Hardware bootstraps support fast link-up times, and configurable fast link-drop detection modes can improve recovery after network disturbances. The dedicated reference clock output provides a convenient synchronization source for modules elsewhere in the system. The DP83826E family supports 10-Mbps and 100-Mbps Ethernet operation for industrial automation, factory equipment, networking equipment, embedded control, communications infrastructure, and test systems. Its MII interface suits designs requiring parallel digital signaling, while RMII reduces host pin requirements in compact embedded designs. The enhanced operating mode provides additional configuration options for demanding industrial applications. A primary design consideration is the relationship between PHY configuration, MAC timing, magnetic-interface components, and the industrial network topology. The PHY must be matched to the magnetics and cabling environment, while reset, interrupt, reference-clock, and strap configuration must be reviewed against the host processor power-up sequence. Controlled impedance routing and a suitable low-noise supply arrangement are also important for maintaining reliable data transmission. This page combines verified manufacturer and distributor information, package details, commercial availability, drop-in family alternatives, and application-oriented engineering guidance. It distinguishes verified facts from unavailable values so designers can identify where a datasheet review, PCB footprint check, or component-level cross-reference is still required before release to manufacturing.
DP83826IRHBR - 10/100 Ethernet PHY | Texas Instruments
The Texas Instruments DP83826IRHBR is a deterministic, low-latency, low-power 10/100 Mbps Ethernet physical-layer transceiver with an MII interface, operating from -40°C to 85°C in a 32-pin VQFN RHB package. It supports 10BASE-T and 100BASE-TX Ethernet protocols for industrial systems requiring predictable packet timing and compact networking hardware. An Ethernet PHY is the physical-layer interface between a network controller and twisted-pair cabling. It converts digital frames supplied by an Ethernet MAC into electrical signals for 10BASE-T or 100BASE-TX links, while receiving and decoding incoming signals. Within the network hierarchy, the DP83826IRHBR is an Ethernet interface IC and physical-layer transceiver below the MAC controller, suitable for industrial Ethernet, factory automation, embedded control, and real-time communications equipment. Verified device information identifies a 10/100 Mbps data rate, MII interface, enhanced operating mode, and industrial temperature range of -40°C to 85°C. The device is supplied in a 32-pin VQFN RHB package with a 5 mm by 5 mm footprint. The MII interface provides a conventional parallel connection to an Ethernet MAC, allowing the PHY to be paired with suitable embedded processors or industrial network controllers. The DP83826 family emphasizes deterministic and low-latency operation as stated by Texas Instruments. These characteristics are relevant to industrial networks where variable communication delay can affect machine timing, motion control, monitoring, or supervisory systems. Its low-power design also makes it suitable for embedded equipment where Ethernet connectivity must be added without imposing the operating cost and switching noise of higher-rate alternatives. Typical use cases include industrial Ethernet controllers, factory automation equipment, industrial switches, programmable logic controllers, test systems, and embedded control panels. In these systems, the DP83826IRHBR can bridge an MII-capable MAC to a 10BASE-T or 100BASE-TX copper network while operating across the full industrial temperature interval. System designers should still validate cable reach, magnetic-component selection, clocking, termination, and network timing against the manufacturer documentation. The most important PCB consideration is the high-speed analog and digital interface implementation around the PHY. Place network magnetics and supporting passives according to the reference layout, keep copper paths compact, provide clean supply and ground connections, and observe the required decoupling arrangement. Those measures help control return-path discontinuity, coupling, and signal-integrity degradation around the MII and copper-network interfaces. This page consolidates the verified manufacturer identity, ordering information, package details, temperature range, pricing reference, cross-reference results, and practical design considerations for DP83826IRHBR. It also distinguishes documented facts from parameters that require confirmation in the full Texas Instruments datasheet, helping engineers make faster but more defensible Ethernet-PHY selections.
DP83826IRHBT - 10/100 Industrial Ethernet PHY | Texas Instruments
The Texas Instruments DP83826IRHBT is a low-latency 10/100-Mbps Ethernet physical-layer transceiver with MII and RMII interfaces, IEEE 802.3 support, and an industrial operating-temperature range in a 32-pin VQFN RHB package. It supports 10BASE-Te and 100BASE-TX Ethernet protocols for industrial communication systems. An Ethernet PHY is the physical-layer component that translates digital MAC traffic into signals suitable for twisted-pair cabling and recovers those signals at the receiving endpoint. In the networking hierarchy, the DP83826IRHBT is a single-port Ethernet transceiver, placing it between a network media-access controller and the 100-MHz or 10-Mbps copper Ethernet medium. Its MII interface supports integration with conventional Ethernet controllers, while RMII provides a lower-pin-count alternative for suitable embedded processors. Key characteristics include support for both 10BASE-Te and 100BASE-TX, a maximum link rate of 100 Mbps, deterministic low latency, low-power operation, and MII plus RMII interfaces. The industrial-temperature designation makes the device applicable to factory automation, industrial controls, embedded communications equipment, and other systems operating beyond typical commercial environments. The exposed-pad VQFN package also supports compact PCB layouts and improved thermal performance when the pad is connected to an appropriate ground plane. The device is positioned for deterministic industrial Ethernet networks, where repeatable signal timing and predictable link behavior are important. The MII interface provides a parallel data path commonly used by Ethernet controllers, whereas RMII reduces the number of required interface signals when the host controller supports it. Auto-negotiation between 10-Mbps and 100-Mbps operation is part of the IEEE 802.3 feature set identified by the verified distributor data. Typical uses include industrial Ethernet switches, programmable-logic-controller communication ports, industrial gateways, embedded control systems, and test equipment requiring a reliable copper-network interface. In these systems, the DP83826IRHBT can sit between an Ethernet MAC or processor and an isolated or non-isolated transformer-coupled network port, depending on the reference design and regulatory requirements. Designers should confirm the exact pin functions, recommended magnetics, termination network, external clock requirements, exposed-pad layout, and bypass-capacitor values against the manufacturer data sheet before release. PCB signal-integrity and thermal reviews are particularly important because Ethernet PHY performance depends on controlled return paths and a low-impedance ground reference around the device. This product page consolidates verified manufacturer and distributor information, drop-in alternatives supported by the supplied cross-reference results, comparison parameters, and practical design considerations for engineers evaluating the DP83826IRHBT.