Integrierte Schaltungen

Unterkategorien

📁 ADC/DAC 3.100+ Produkte 📁 Verstärker-ICs 1.900+ Produkte 📁 Audio-Codecs 18 Produkte 📁 Audio-ICs 2 Produkte 📁 Takt & Timing 670+ Produkte 📁 Comparator ICs 1 Produkte 📁 DSP 1.100+ Produkte 📁 Datenakquise-ICs 2 Produkte 📁 Digitale Potentiometer 4 Produkte 📁 Display-Treiber & -Controller 1 Produkte 📁 FPGA & CPLD 7.300+ Produkte 📁 Schnittstellen-ICs 3.400+ Produkte 📁 LED-Treiber 1 Produkte 📁 Logik-ICs 460+ Produkte 📁 Speicher-ICs 870+ Produkte 📁 Mikrocontroller 20.000+ Produkte 📁 Mikroprozessoren 4 Produkte 📁 Motortreiber 1 Produkte 📁 Sonstiges 1 Produkte 📁 Sensor and Detector Interfaces 1 Produkte 📁 Spezialisierte ICs 15 Produkte 📁 Video-ICs 14 Produkte

Produkte (39.000+)

KSZ8721BL - 100Mbps Ethernet PHY | Microchip | LQFP-48
KSZ8721BL

KSZ8721BL - 100Mbps Ethernet PHY | Microchip | LQFP-48

The Microchip KSZ8721BL is a 3.3 V single-supply 10/100BASE-TX/FX Ethernet physical-layer transceiver with MII and RMII host interfaces, operating at up to 100 Mbps in a 48-pin LQFP package. It supports a 2.5 V core for low-voltage and low-power operation, includes automatic MDI/MDI-X crossover, and is intended for embedded Ethernet designs requiring copper twisted-pair or fiber connections. An Ethernet physical-layer transceiver, or Ethernet PHY, converts digital MAC data into electrical or optical signaling suitable for a network medium and converts received signals back into digital data. The PHY sits between a host controller and the physical network medium, commonly using an MII or RMII interface. The KSZ8721BL therefore belongs to the Ethernet interface hierarchy: transceiver, network interface controller companion, interface IC, and semiconductor. Key verified features include 100 Mbps operation, MII and RMII host-interface support, 10/100BASE-TX and 100BASE-FX capability, automatic MDI/MDI-X crossover, 3.3 V single-supply operation, and a 2.5 V core. The commercial temperature range is 0°C to +70°C. The reported supply current is 151 mA, while the exact pin mapping, package dimensions, transceiver electrical limits, and full timing values are not all available in the supplied excerpts. The device is suitable when an embedded processor, microcontroller, FPGA, or Ethernet controller needs an Ethernet media-access solution without implementing analog PHY circuitry on the PCB. Its RMII interface can reduce host-side wiring compared with MII, while MII support provides compatibility with systems designed around parallel Ethernet control signals. The integrated 2.5 V core is relevant to low-voltage processor ecosystems and power-conscious embedded equipment. Typical applications include industrial Ethernet equipment, embedded gateways, set-top boxes, printers, game or media systems, network adapters, and control systems with 10/100BASE-T connectivity. Fiber-capable 100BASE-FX support can also suit equipment intended for longer-distance point-to-point links when the required optical partner and external implementation are present. When designing around KSZ8721BL, confirm the exact package variant and pinout against the manufacturer datasheet, preserve the required decoupling and media-interface layout, and verify the external magnetics or fiber components required by the selected network medium. The supplied data confirms the commercial temperature grade and 48-pin LQFP option, but does not establish RoHS, REACH, AEC-Q100, or halogen-free status. This product page consolidates the verified manufacturer description, technical identifiers, source links, and application guidance into an engineering-oriented reference for the KSZ8721BL Ethernet PHY.

Angebot Kontakt
KSZ8721BL-TR - 100Mbps Ethernet PHY | Microchip | LQFP-48 (Tape & Reel)
KSZ8721BL-TR

KSZ8721BL-TR - 100Mbps Ethernet PHY | Microchip | LQFP-48 (Tape & Reel)

The Microchip KSZ8721BL-TR is a 3.3 V single-supply 10/100BASE-TX/FX Ethernet physical-layer transceiver with MII and RMII host interfaces, operating at up to 100 Mbps in a 48-pin LQFP package. It supports a 2.5 V core for low-voltage and low-power operation, includes automatic MDI/MDI-X crossover, and is intended for embedded Ethernet designs requiring copper twisted-pair or fiber connections. An Ethernet physical-layer transceiver, or Ethernet PHY, converts digital MAC data into electrical or optical signaling suitable for a network medium and converts received signals back into digital data. The PHY sits between a host controller and the physical network medium, commonly using an MII or RMII interface. The KSZ8721BL-TR therefore belongs to the Ethernet interface hierarchy: transceiver, network interface controller companion, interface IC, and semiconductor. Key verified features include 100 Mbps operation, MII and RMII host-interface support, 10/100BASE-TX and 100BASE-FX capability, automatic MDI/MDI-X crossover, 3.3 V single-supply operation, and a 2.5 V core. The commercial temperature range is 0°C to +70°C. The reported supply current is 151 mA, while the exact pin mapping, package dimensions, transceiver electrical limits, and full timing values are not all available in the supplied excerpts. The device is suitable when an embedded processor, microcontroller, FPGA, or Ethernet controller needs an Ethernet media-access solution without implementing analog PHY circuitry on the PCB. Its RMII interface can reduce host-side wiring compared with MII, while MII support provides compatibility with systems designed around parallel Ethernet control signals. The integrated 2.5 V core is relevant to low-voltage processor ecosystems and power-conscious embedded equipment. Typical applications include industrial Ethernet equipment, embedded gateways, set-top boxes, printers, game or media systems, network adapters, and control systems with 10/100BASE-T connectivity. Fiber-capable 100BASE-FX support can also suit equipment intended for longer-distance point-to-point links when the required optical partner and external implementation are present. When designing around KSZ8721BL-TR, confirm the exact package variant and pinout against the manufacturer datasheet, preserve the required decoupling and media-interface layout, and verify the external magnetics or fiber components required by the selected network medium. The supplied data confirms the commercial temperature grade and 48-pin LQFP option, but does not establish RoHS, REACH, AEC-Q100, or halogen-free status. This product page consolidates the verified manufacturer description, technical identifiers, source links, and application guidance into an engineering-oriented reference for the KSZ8721BL-TR Ethernet PHY.

Angebot Kontakt
KSZ8721BLI - 3.3V 10/100 Ethernet PHY | Microchip
KSZ8721BLI

KSZ8721BLI - 3.3V 10/100 Ethernet PHY | Microchip

Microchip KSZ8721BLI is a 3.3 V single-supply 10/100BASE-TX/FX Ethernet physical-layer transceiver with full MII and RMII host interfaces, supplied in a 48-LQFP 7x7 mm package. The device operates at 10 Mbps and 100 Mbps and supports 10BASE-T copper, 100BASE-TX copper, and 100BASE-FX fiber media through integrated physical-layer functions. Its low-voltage 2.5 V to 3.3 V operating capability is intended to reduce system power while supporting 10BASE-T/100BASE-TX/FX network connections. An Ethernet physical-layer transceiver, or Ethernet PHY, converts digital frame data into electrical or optical signaling suitable for a network medium. In the hierarchy of network semiconductors, the PHY sits below the Ethernet controller or media-access controller and above the transformer, connector, or fiber interface. The KSZ8721BLI also provides an MDI/MDI-X auto-crossover function, allowing copper links to use a standard straight-through cable arrangement without manual crossover configuration. The KSZ8721BLI combines 10BASE-T and 100BASE-TX/FX support in one transceiver while offering both MII and RMII host connectivity. Full MII provides a parallel interface for legacy or higher-bandwidth controller arrangements, whereas RMII reduces the number of host-side signals and is useful in space-constrained embedded systems. The single 3.3 V supply architecture simplifies power design, although interface voltage compatibility must still be checked against the selected host controller. The device is positioned for industrial embedded networking, where a 10/100 Mbps copper or fiber link can be added without implementing the complete Ethernet data path in the host. Its industrial temperature option is identified by the KSZ8721 family documentation, which lists a -40°C to +85°C industrial range. Package construction is surface-mount LQFP, allowing conventional PCB assembly and inspection while requiring careful pin-1 orientation and solderability checks. Typical uses include industrial controllers, factory automation equipment, embedded gateways, serial-to-Ethernet systems, media converters, and compact network appliances. For copper links, designers must add the appropriate isolation transformer and RJ-05 or shielded-jack hardware. For fiber links, the external optical components and interface requirements should be implemented according to the manufacturer application guidance rather than inferred from the PHY package alone. The main design consideration is interface verification. Confirm that the host controller supports the selected MII or RMII mode, the transceiver’s supply voltage, and the external magnetics required by the target copper or fiber network. This page consolidates the verified source links, pricing observation, package information, replacement data, and engineering considerations into a practical procurement and design reference.

Angebot Kontakt
KSZ8721BLI-TR - 3.3V 10/100 Ethernet PHY | Microchip (Tape & Reel)
KSZ8721BLI-TR

KSZ8721BLI-TR - 3.3V 10/100 Ethernet PHY | Microchip (Tape & Reel)

Microchip KSZ8721BLI-TR is a 3.3 V single-supply 10/100BASE-TX/FX Ethernet physical-layer transceiver with full MII and RMII host interfaces, supplied in a 48-LQFP 7x7 mm package. The device operates at 10 Mbps and 100 Mbps and supports 10BASE-T copper, 100BASE-TX copper, and 100BASE-FX fiber media through integrated physical-layer functions. Its low-voltage 2.5 V to 3.3 V operating capability is intended to reduce system power while supporting 10BASE-T/100BASE-TX/FX network connections. An Ethernet physical-layer transceiver, or Ethernet PHY, converts digital frame data into electrical or optical signaling suitable for a network medium. In the hierarchy of network semiconductors, the PHY sits below the Ethernet controller or media-access controller and above the transformer, connector, or fiber interface. The KSZ8721BLI-TR also provides an MDI/MDI-X auto-crossover function, allowing copper links to use a standard straight-through cable arrangement without manual crossover configuration. The KSZ8721BLI-TR combines 10BASE-T and 100BASE-TX/FX support in one transceiver while offering both MII and RMII host connectivity. Full MII provides a parallel interface for legacy or higher-bandwidth controller arrangements, whereas RMII reduces the number of host-side signals and is useful in space-constrained embedded systems. The single 3.3 V supply architecture simplifies power design, although interface voltage compatibility must still be checked against the selected host controller. The device is positioned for industrial embedded networking, where a 10/100 Mbps copper or fiber link can be added without implementing the complete Ethernet data path in the host. Its industrial temperature option is identified by the KSZ8721 family documentation, which lists a -40°C to +85°C industrial range. Package construction is surface-mount LQFP, allowing conventional PCB assembly and inspection while requiring careful pin-1 orientation and solderability checks. Typical uses include industrial controllers, factory automation equipment, embedded gateways, serial-to-Ethernet systems, media converters, and compact network appliances. For copper links, designers must add the appropriate isolation transformer and RJ-05 or shielded-jack hardware. For fiber links, the external optical components and interface requirements should be implemented according to the manufacturer application guidance rather than inferred from the PHY package alone. The main design consideration is interface verification. Confirm that the host controller supports the selected MII or RMII mode, the transceiver’s supply voltage, and the external magnetics required by the target copper or fiber network. This page consolidates the verified source links, pricing observation, package information, replacement data, and engineering considerations into a practical procurement and design reference.

Angebot Kontakt
KSZ8721BT - 10/100 Ethernet PHY Transceiver | Microchip
KSZ8721BT

KSZ8721BT - 10/100 Ethernet PHY Transceiver | Microchip

The Microchip Technology KSZ8721BT is a single-channel 10/100 Base-TX/FX Ethernet physical-layer transceiver operating from a 3.3 V single supply in a 48-pin TQFP package measuring 7 mm by 7 mm. According to the manufacturer product information, the device supports both MII and RMII host interfaces, 10BASE-T and 100BASE-TX copper links, and 100BASE-FX fiber links. Its core role is to connect a digital Ethernet host interface to an Ethernet medium through integrated PCS and PMA functions. An Ethernet PHY transceiver is an interface IC that converts parallel digital Ethernet data into physical signaling for copper or optical media, while receiving and decoding incoming signals. The KSZ8721 belongs to the PHY hierarchy: Ethernet interface IC, physical-layer transceiver, 10/100 Ethernet PHY, and network interface semiconductor. Supporting both copper and fiber media makes it useful in industrial control, embedded networking, communications equipment, and factory automation systems. Verified source information identifies the KSZ8721 as a 10BaseT/100BaseTX/FX physical-layer transceiver with MII and RMII host connectivity. The RMII option can reduce host pin requirements compared with a parallel MII arrangement, which is valuable when conserving connector and processor I/O resources. The 100BASE-FX capability supports fiber links where electrical copper reach or electromagnetic environments make optical media preferable. Exact PHY tolerances, clock requirements, link-distance targets, and electrical thresholds must be confirmed in the manufacturer datasheet before design release. The 48-TQFP surface-mount package is suitable for automated PCB assembly and compact multilayer boards. Its exact pin functions, exposed-pad arrangement, supply connections, and grounding requirements were not supplied in the verified excerpts, so they must not be inferred. Designers should preserve the manufacturer's recommended magnetics, termination network, RJ45 layout, fiber-isolation boundary, and high-speed trace topology. Decoupling and return paths are particularly important because Ethernet PHY performance depends on clean references and controlled common-mode behavior. Typical uses include 10/100 Ethernet links in embedded controllers, industrial Ethernet gateways, serial-to-Ethernet equipment, network switches, test instruments, and optical-to-copper media converters. The combination of MII, RMII, copper, and fiber support lets one device bridge several common legacy network-interface architectures. Exact suitability for a particular MAC, processor, transformer, optical module, or cable length must be verified against the complete datasheet and system timing requirements. This page consolidates the verified manufacturer, distributor, and datasheet-index information while clearly separating missing technical data. Its engineering value is the application guidance, sourcing context, and explicit compatibility boundaries rather than guessed specifications. Before purchasing or laying out a replacement board, verify lifecycle status, exact electrical limits, pinout, media support, and package details against the authoritative Microchip documentation. This page also distinguishes verified facts from open engineering questions. Because the excerpts do not supply a complete electrical table, package drawing, lifecycle statement, or pin-level map, each missing item is marked rather than estimated. That conservative approach is essential for Ethernet hardware, where an incorrect pin assignment, unsupported interface mode, or inappropriate power assumption can prevent link negotiation or damage a design.

Angebot Kontakt
KSZ8721CL - 10/100 Ethernet PHY, MII, 48-LQFP | Microchip
KSZ8721CL

KSZ8721CL - 10/100 Ethernet PHY, MII, 48-LQFP | Microchip

The Microchip Technology KSZ8721CL is a single-port 10BASE-T, 100BASE-TX, and 100BASE-FX Ethernet physical-layer transceiver with MII and RMII host interfaces, a 3.3 V supply, and a 48-LQFP 7 x 7 mm package. The verified distributor information identifies one transmitter and one receiver, Full MII operation, and tray packaging. An Ethernet PHY is the physical-layer interface between a network MAC and copper or fiber cabling. It converts digital MAC data into electrical signaling for 10/100 Ethernet networks and receives incoming signals for recovery by the MAC. The KSZ8721 family therefore belongs to the Ethernet interface IC and physical-layer transceiver hierarchy, supporting 10BASE-T copper, 100BASE-TX copper, and 100BASE-FX optical-fiber links. The KSZ8721 supports 3.3 V single-supply operation and is described by Microchip as operating from 2.5 V to meet low-voltage and low-power requirements. Its mixed-signal design is intended to extend signaling distance while reducing power consumption. The available data confirms MII and RMII host-interface options, but individual MII clock rates, RMII timing limits, transceiver insertion loss, crossover support, and link-distance limits are not supplied here and require manufacturer-datasheet confirmation. Typical implementation roles include industrial Ethernet controllers, embedded network equipment, single-port Ethernet switches, print servers, and communication equipment. In an MII design, the PHY interfaces through parallel digital signals to a MAC or switch engine; in an RMII design, it uses the reduced pin-count interface specified by the host controller. The 48-LQFP package provides 48 external connections but requires careful high-speed signal layout. A key design consideration is that Ethernet PHY performance depends as much as the IC on magnetic-interface components, crystal timing, controlled-impedance PCB routing, supply bypassing, and isolation from noisy switching circuitry. Verify the exact transceiver mode, pin names, recommended magnetics, termination, and reference schematic against the current Microchip datasheet before layout release. This product data consolidates verified distributor availability, package information, interface capabilities, and technical-source links with application guidance and transparent data-gap markers. It is intended to accelerate sourcing and initial engineering review without replacing the manufacturer datasheet or schematic-level validation.

Angebot Kontakt
KSZ8721CL-TR - 10/100 Ethernet PHY, MII, 48-LQFP | Microchip (Tape & Reel)
KSZ8721CL-TR

KSZ8721CL-TR - 10/100 Ethernet PHY, MII, 48-LQFP | Microchip (Tape & Reel)

The Microchip Technology KSZ8721CL-TR is a single-port 10BASE-T, 100BASE-TX, and 100BASE-FX Ethernet physical-layer transceiver with MII and RMII host interfaces, a 3.3 V supply, and a 48-LQFP 7 x 7 mm package. The verified distributor information identifies one transmitter and one receiver, Full MII operation, and tray packaging. An Ethernet PHY is the physical-layer interface between a network MAC and copper or fiber cabling. It converts digital MAC data into electrical signaling for 10/100 Ethernet networks and receives incoming signals for recovery by the MAC. The KSZ8721 family therefore belongs to the Ethernet interface IC and physical-layer transceiver hierarchy, supporting 10BASE-T copper, 100BASE-TX copper, and 100BASE-FX optical-fiber links. The KSZ8721 supports 3.3 V single-supply operation and is described by Microchip as operating from 2.5 V to meet low-voltage and low-power requirements. Its mixed-signal design is intended to extend signaling distance while reducing power consumption. The available data confirms MII and RMII host-interface options, but individual MII clock rates, RMII timing limits, transceiver insertion loss, crossover support, and link-distance limits are not supplied here and require manufacturer-datasheet confirmation. Typical implementation roles include industrial Ethernet controllers, embedded network equipment, single-port Ethernet switches, print servers, and communication equipment. In an MII design, the PHY interfaces through parallel digital signals to a MAC or switch engine; in an RMII design, it uses the reduced pin-count interface specified by the host controller. The 48-LQFP package provides 48 external connections but requires careful high-speed signal layout. A key design consideration is that Ethernet PHY performance depends as much as the IC on magnetic-interface components, crystal timing, controlled-impedance PCB routing, supply bypassing, and isolation from noisy switching circuitry. Verify the exact transceiver mode, pin names, recommended magnetics, termination, and reference schematic against the current Microchip datasheet before layout release. This product data consolidates verified distributor availability, package information, interface capabilities, and technical-source links with application guidance and transparent data-gap markers. It is intended to accelerate sourcing and initial engineering review without replacing the manufacturer datasheet or schematic-level validation.

Angebot Kontakt
KSZ8721SL - 10/100 Ethernet PHY | Microchip Technology
KSZ8721SL

KSZ8721SL - 10/100 Ethernet PHY | Microchip Technology

The Microchip Technology KSZ8721SL is a 3.3 V single-supply 10/100BASE-TX/FX Ethernet physical-layer transceiver with MII and RMII host interfaces, supplied in a 48-pin SSOP package. It supports 10 Mb/s and 100 Mb/s Ethernet links and is identified as a full IEEE 802.3 transceiver for industrial and embedded Ethernet designs. An Ethernet physical-layer transceiver, commonly called an Ethernet PHY, is the circuit that connects a digital Ethernet controller to a twisted-pair or fiber medium. The PHY belongs to the network-interface IC hierarchy and combines functions such as physical-medium attachment, physical-medium-dependent circuitry, and physical coding sub-layer operation. The KSZ8721SL translates frames between the parallel MII or RMII interface of a host controller and encoded Ethernet signals on the network medium. The principal verified specifications for the KSZ8721SL include a 3.3 V operating supply, support for both 10BASE-T and 100BASE-TX operation, additional 100BASE-FX capability, MII and RMII host interfaces, an IEEE 802.3-compliant transceiver configuration, and a 48-pin SSOP surface-mount package. Its commercial operating-temperature range is 0 °C to +70 °C. The SMD package supports compact embedded systems while exposing separate network and host-interface functions. The MII interface supports a parallel Ethernet controller connection, while RMII reduces the number of host-interface signals compared with MII. This makes the RMII connection useful when the selected Ethernet MAC requires a compact serial control and data interface. The fiber-capable 100BASE-FX feature also allows the same physical-layer family to address copper and fiber link requirements, subject to the external optical and isolation circuitry required by the specific design. Typical uses include industrial Ethernet equipment, embedded control systems, network adapters, print servers, factory automation equipment, and communications products requiring 10 Mb/s or 100 Mb/s Ethernet. Designers should confirm whether the selected board uses copper, fiber, or both media and should validate the required transformers, isolation components, magnetic-interface layout, termination, and host-interface timing against the manufacturer datasheet. The principal design consideration is that the KSZ8721SL is a commercial-temperature, 48-pin SSOP device rather than an industrial-temperature substitute. Layout should provide a continuous ground reference, short supply connections, controlled-length differential copper routing, and compliant separation between network-side and host-side circuitry where applicable. Its 3.3 V single-supply operation also requires the host interface, clocking, and external network components to be compatible with the implemented interface topology. This page combines the verified manufacturer and distributor information with package, sourcing, design, and replacement guidance intended to reduce common selection errors. It distinguishes confirmed drop-in options from unreferenced parts and leaves unavailable electrical, pricing, and pin-level details explicitly marked rather than estimating them.

Angebot Kontakt
KSZ8721SL-TR - 10/100 Ethernet PHY | Microchip Technology (Tape & Reel)
KSZ8721SL-TR

KSZ8721SL-TR - 10/100 Ethernet PHY | Microchip Technology (Tape & Reel)

The Microchip Technology KSZ8721SL-TR is a 3.3 V single-supply 10/100BASE-TX/FX Ethernet physical-layer transceiver with MII and RMII host interfaces, supplied in a 48-pin SSOP package. It supports 10 Mb/s and 100 Mb/s Ethernet links and is identified as a full IEEE 802.3 transceiver for industrial and embedded Ethernet designs. An Ethernet physical-layer transceiver, commonly called an Ethernet PHY, is the circuit that connects a digital Ethernet controller to a twisted-pair or fiber medium. The PHY belongs to the network-interface IC hierarchy and combines functions such as physical-medium attachment, physical-medium-dependent circuitry, and physical coding sub-layer operation. The KSZ8721SL-TR translates frames between the parallel MII or RMII interface of a host controller and encoded Ethernet signals on the network medium. The principal verified specifications for the KSZ8721SL-TR include a 3.3 V operating supply, support for both 10BASE-T and 100BASE-TX operation, additional 100BASE-FX capability, MII and RMII host interfaces, an IEEE 802.3-compliant transceiver configuration, and a 48-pin SSOP surface-mount package. Its commercial operating-temperature range is 0 °C to +70 °C. The SMD package supports compact embedded systems while exposing separate network and host-interface functions. The MII interface supports a parallel Ethernet controller connection, while RMII reduces the number of host-interface signals compared with MII. This makes the RMII connection useful when the selected Ethernet MAC requires a compact serial control and data interface. The fiber-capable 100BASE-FX feature also allows the same physical-layer family to address copper and fiber link requirements, subject to the external optical and isolation circuitry required by the specific design. Typical uses include industrial Ethernet equipment, embedded control systems, network adapters, print servers, factory automation equipment, and communications products requiring 10 Mb/s or 100 Mb/s Ethernet. Designers should confirm whether the selected board uses copper, fiber, or both media and should validate the required transformers, isolation components, magnetic-interface layout, termination, and host-interface timing against the manufacturer datasheet. The principal design consideration is that the KSZ8721SL-TR is a commercial-temperature, 48-pin SSOP device rather than an industrial-temperature substitute. Layout should provide a continuous ground reference, short supply connections, controlled-length differential copper routing, and compliant separation between network-side and host-side circuitry where applicable. Its 3.3 V single-supply operation also requires the host interface, clocking, and external network components to be compatible with the implemented interface topology. This page combines the verified manufacturer and distributor information with package, sourcing, design, and replacement guidance intended to reduce common selection errors. It distinguishes confirmed drop-in options from unreferenced parts and leaves unavailable electrical, pricing, and pin-level details explicitly marked rather than estimating them.

Angebot Kontakt
KSZ8721SLI - 10/100 Ethernet PHY | Microchip Technology
KSZ8721SLI

KSZ8721SLI - 10/100 Ethernet PHY | Microchip Technology

Microchip Technology KSZ8721SLI is a single-channel 10/100 Ethernet physical-layer transceiver with a 48-SSOP package, operating from a 2.5 V core and supporting a 3.3 V single-supply application. It provides separate 10Base-T and 100Base-TX/FX physical-medium functions plus MII and RMII host interfaces for transmitting and receiving Ethernet data. The device supports 10 Mbps and 100 Mbps operation and is intended for embedded networking equipment requiring a dedicated Ethernet PHY. An Ethernet physical-layer transceiver, or Ethernet PHY, converts logical digital data into electrical signaling for a physical network medium. The KSZ8721SLI belongs to the integrated-circuit hierarchy physical-layer transceiver > Ethernet interface IC > interface IC. Its 10Base-T capability supports legacy 10 Mbps copper Ethernet, while 100Base-TX/FX supports Fast Ethernet over twisted pair or optical-fiber-compatible links. The MII and RMII interfaces allow a host processor or network controller to connect through either a parallel media-independent interface or the more pin-efficient reduced media-independent interface. Key verified features include full IEEE 802.3 operation, support for 10Base-T, 100Base-TX, and 100Base-FX physical media, and both MII and RMII host connectivity. The KSZ8721 operates its core at 2.5 V to address low-voltage and low-power requirements, while the device is described as a 3.3 V single-supply transceiver. Its 48-SSOP package provides enough pins for separate transmit, receive, management, clock, and host-interface functions. Technically, the KSZ8721SLI consolidates a 10Base-T physical medium attachment function, a 100Base-TX/FX physical medium attachment function, and the associated host-facing digital interface into one package. MII exposes a wider parallel bus, while RMII reduces the number of host-interface signals and is commonly preferred when the connected controller supports it. The manufacturer identifies the KSZ8721 family as a 10BaseT, 100BaseTX, and FX physical-layer transceiver designed for low-power embedded networking. Typical uses include industrial Ethernet controllers, embedded gateways, set-top equipment, printer and scanner interfaces, test equipment, and OEM network appliances. A board designer can connect the KSZ8721SLI to an Ethernet transformer or appropriate fiber interface, provide the required decoupling, and connect it to an MII- or RMII-capable controller. The choice of media interface and magnetics should be based on the required copper or fiber link distance and system compliance targets. A critical design consideration is confirming the controller's MII or RMII timing, clock requirements, reset behavior, and supported media type against the manufacturer datasheet before layout release. Input and output supply rails should be decoupled close to the device, while the copper or fiber network path should be routed according to the selected magnetics and medium requirements. Do not infer unverified pin assignments or timing values from distributor listings alone. This page consolidates verified manufacturer and distributor information, package details, commercially relevant sourcing links, and same-family replacement evidence. It also provides application guidance and comparison context intended to support faster component selection without treating unreported electrical parameters as verified facts.

Angebot Kontakt
KSZ8721SLI-TR - 10/100 Ethernet PHY | Microchip Technology (Tape & Reel)
KSZ8721SLI-TR

KSZ8721SLI-TR - 10/100 Ethernet PHY | Microchip Technology (Tape & Reel)

Microchip Technology KSZ8721SLI-TR is a single-channel 10/100 Ethernet physical-layer transceiver with a 48-SSOP package, operating from a 2.5 V core and supporting a 3.3 V single-supply application. It provides separate 10Base-T and 100Base-TX/FX physical-medium functions plus MII and RMII host interfaces for transmitting and receiving Ethernet data. The device supports 10 Mbps and 100 Mbps operation and is intended for embedded networking equipment requiring a dedicated Ethernet PHY. An Ethernet physical-layer transceiver, or Ethernet PHY, converts logical digital data into electrical signaling for a physical network medium. The KSZ8721SLI-TR belongs to the integrated-circuit hierarchy physical-layer transceiver > Ethernet interface IC > interface IC. Its 10Base-T capability supports legacy 10 Mbps copper Ethernet, while 100Base-TX/FX supports Fast Ethernet over twisted pair or optical-fiber-compatible links. The MII and RMII interfaces allow a host processor or network controller to connect through either a parallel media-independent interface or the more pin-efficient reduced media-independent interface. Key verified features include full IEEE 802.3 operation, support for 10Base-T, 100Base-TX, and 100Base-FX physical media, and both MII and RMII host connectivity. The KSZ8721 operates its core at 2.5 V to address low-voltage and low-power requirements, while the device is described as a 3.3 V single-supply transceiver. Its 48-SSOP package provides enough pins for separate transmit, receive, management, clock, and host-interface functions. Technically, the KSZ8721SLI-TR consolidates a 10Base-T physical medium attachment function, a 100Base-TX/FX physical medium attachment function, and the associated host-facing digital interface into one package. MII exposes a wider parallel bus, while RMII reduces the number of host-interface signals and is commonly preferred when the connected controller supports it. The manufacturer identifies the KSZ8721 family as a 10BaseT, 100BaseTX, and FX physical-layer transceiver designed for low-power embedded networking. Typical uses include industrial Ethernet controllers, embedded gateways, set-top equipment, printer and scanner interfaces, test equipment, and OEM network appliances. A board designer can connect the KSZ8721SLI-TR to an Ethernet transformer or appropriate fiber interface, provide the required decoupling, and connect it to an MII- or RMII-capable controller. The choice of media interface and magnetics should be based on the required copper or fiber link distance and system compliance targets. A critical design consideration is confirming the controller's MII or RMII timing, clock requirements, reset behavior, and supported media type against the manufacturer datasheet before layout release. Input and output supply rails should be decoupled close to the device, while the copper or fiber network path should be routed according to the selected magnetics and medium requirements. Do not infer unverified pin assignments or timing values from distributor listings alone. This page consolidates verified manufacturer and distributor information, package details, commercially relevant sourcing links, and same-family replacement evidence. It also provides application guidance and comparison context intended to support faster component selection without treating unreported electrical parameters as verified facts.

Angebot Kontakt
KSZ8841-PMQL - 10/100 Ethernet PCI Controller | Microchip
KSZ8841-PMQL

KSZ8841-PMQL - 10/100 Ethernet PCI Controller | Microchip

The Microchip Technology KSZ8841-PMQL is a single-port Fast Ethernet MAC controller with a 32-bit, 33 MHz PCI processor interface, supplied in a 128-pin PQFP package measuring 14 x 20 mm. It combines an IEEE 802.3u-compatible 10/100 Base-T/TX Ethernet controller with a host-bus interface intended for PCI-based embedded systems. The controller integrates the Ethernet MAC function with the physical-layer interface needed for a single 10/100 network port. An Ethernet MAC controller is an interface integrated circuit that manages frame transmission and reception between a computing host and an Ethernet network. The MAC layer identifies network frames and handles access to the communications medium, while the integrated Fast Ethernet physical interface connects that logical function to twisted-pair cabling. In the system hierarchy, the KSZ8841-PMQL belongs to the class of Ethernet interface controllers and network interface integrated circuits used within embedded networking equipment. The KSZ8841-PMQL provides one 10/100 Base-T/TX port, a 32-bit PCI interface, and a stated PCI operating frequency of 33 MHz. Its IEEE 802.3u compatibility identifies the intended Fast Ethernet protocol generation. The device is also associated with a non-PCI member of the KSZ8841 series, KSZ8841-MQL, which uses a different CPU interface and therefore requires a different host-side design rather than being a universal substitute. The PCI host interface provides a parallel processor-facing path for moving Ethernet frames between the controller and an embedded PCI system. This makes the device appropriate for legacy or industrial embedded platforms that retain PCI infrastructure but require an integrated 10/100 Ethernet connection. The 128-PQFP package also provides a substantial pin count for the MAC, PCI, clock, reset, power, and physical-network functions represented by this controller. Typical applications for the KSZ8841-PMQL include PCI-based industrial controllers, embedded communication equipment, network interface adapters, and legacy embedded systems requiring 10/100 Base-T/TX connectivity. The controller can also serve as the foundation for custom PCI network-interface subsystems where a dedicated Ethernet MAC is required instead of a higher-complexity system-on-chip. Designers should distinguish the standard KSZ8841-PMQL from the industrial-temperature KSZ8841-PMQLI version when selecting the correct ordering code. PCB implementation must follow the manufacturer's 128-pin PQFP pinout and recommended layout guidance, including correct termination, clocking, reset sequencing, and Ethernet physical-layer routing. This product page combines the manufacturer identification, package information, interface details, comparison candidates, and application guidance needed to evaluate the KSZ8841-PMQL. Request a Quote on this page for current commercial availability, lead time, and supporting documentation.

Angebot Kontakt
KSZ8842-PMBL - 2-Port 10/100 Ethernet Switch | Microchip
KSZ8842-PMBL

KSZ8842-PMBL - 2-Port 10/100 Ethernet Switch | Microchip

The Microchip Technology KSZ8842-PMBL is a two-port 10/100 Base-T Ethernet switch with a generic 32-bit, 33 MHz PCI processor interface, supplied in a 100-LFBGA 9 x 9 mm package. It provides two integrated 10/100 Ethernet ports, an integrated DMA engine, managed Layer 2 switching, and low-power operation for embedded networking equipment. An Ethernet switch is a network-semiconductor device that connects multiple physical network nodes while forwarding Ethernet frames according to Layer 2 addresses. The KSZ8842 belongs to the Ethernet switch hierarchy and integrates physical-layer transceivers, frame processing, port management, and a host-facing peripheral bus within one IC. Its PCI interface allows a processor or embedded controller to configure the switch, manage traffic, and exchange data with the connected Ethernet ports without requiring a separate external Ethernet controller. The manufacturer datasheet identifies the KSZ8842-PMQL/PMBL as the first fully managed two-port switch with a 32-bit, 33 MHz PCI processor interface. The device is compliant with IEEE 802.3u, supports 10/100 Base-T networking, and includes an integrated DMA engine for efficient host data movement. Its four-generation integrated Layer 2 switch architecture supports managed switching functions while reducing the component count of embedded Ethernet designs. The KSZ8842-PMBL is intended for compact PCI-based embedded systems where two Ethernet links are needed close to the host processor. Typical signal paths include industrial control equipment, embedded servers, communication appliances, test systems, and PCI expansion products. A 122 mA supply current value is identified for this device, making system-level power budgeting important when two ports operate continuously. The principal design consideration is the 100-LFBGA footprint. The board must provide the exact ball layout defined by the manufacturer package drawing and must accommodate the PCI, clock, power, reset, and Ethernet magnetics interfaces. Review the ordering information and pin-description tables in the manufacturer datasheet before assigning ball assignments or preparing the PCB footprint. The KSZ8842-PMBL is also the base commercial-temperature ordering code within the PMQL/PMBL PCI-interface family. The PMBL suffix identifies the LFBGA package, while the PMQL suffix identifies a different package. Industrial-temperature ordering variants include the -AM designation; verify the exact suffix, grade, and shipping configuration when substituting parts. This product page consolidates the known switch, interface, package, and ordering information with engineering-focused application guidance, replacement considerations, and a parameter comparison. It also distinguishes electrical or temperature-grade alternatives from packaging-only order codes so engineers can assess PCB compatibility before redesigning an existing LFBGA design.

Angebot Kontakt
KSZ8842-PMQL - 2-Port 10/100 PCI Ethernet Switch | Microchip
KSZ8842-PMQL

KSZ8842-PMQL - 2-Port 10/100 PCI Ethernet Switch | Microchip

Microchip Technology KSZ8842-PMQL is a fully managed two-port 10/100 Ethernet switch with a generic 32-bit, 33 MHz PCI processor interface, housed in a 128-pin PQFP package measuring 14 mm by 20 mm. The device provides two integrated Fast Ethernet ports, an integrated DMA engine, and low-power operation for PCI-based embedded networking designs. An Ethernet switch is a Layer 2 network device that forwards Ethernet frames between connected nodes while using MAC-address learning to reduce unnecessary traffic. Within the network hierarchy, the KSZ8842-PMQL is an Ethernet interface IC and network interface controller that connects a PCI host processor to two 10/100 Base-TX ports. Its managed-switch architecture supports centralized port control, status monitoring, and traffic management in embedded industrial, communications, and legacy PCI systems. Key features include two integrated 10/100 Ethernet ports, a 32-bit PCI interface operating at 33 MHz, IEEE 802.3u compliance, an integrated DMA engine, and a low-power operating design. The PQFP package provides 128 accessible package positions and uses leaded technology for compatibility with established PCI motherboard and embedded-controller assemblies. An industrial-temperature ordering option, KSZ8842-PMQLI, extends the family for applications requiring extended temperature operation. Architecturally, the KSZ8842-PMQL belongs to the KSZ8842 fourth-generation integrated Layer 2 switch family. Separate PCI and non-PCI implementations allow designers to match the host interface to the platform, while the PMQL version retains the 32-bit PCI processor connection. The integrated DMA engine assists efficient packet transfer between the PCI host and switch ports, reducing the processing burden associated with moving Ethernet traffic through host memory. Typical applications include PCI-based industrial controllers, embedded communications appliances, test and measurement systems, legacy PCI server equipment, and custom network interface cards. The device is particularly suitable when two copper Ethernet ports are required without adding an external two-port switch. Designers must also verify the host platform's supported PCI electrical characteristics, bus width, clocking, and software configuration model before releasing a new design. For a new design, route each differential Ethernet pair through a controlled-impedance layout, keep the PHY and magnetics interface routing compact, and follow the manufacturer's reference layout for power, ground, reset, and clock connections. Because this is a legacy PCI bridge with a large leaded package, confirm long-term sourcing and lifecycle status with Microchip before committing to high-volume production. This page combines the exact manufacturer and distributor identification for KSZ8842-PMQL with package, interface, application, and procurement guidance. It also distinguishes the PCI implementation from related non-PCI KSZ8842 members and identifies the temperature-graded PMQLI counterpart for industrial design reviews.

Angebot Kontakt
KSZ8851SNL - 10/100 Ethernet Controller | Microchip
KSZ8851SNL

KSZ8851SNL - 10/100 Ethernet Controller | Microchip

The Microchip Technology KSZ8851SNL is a single-port 10/100 Ethernet controller with a 3.3 V SPI interface, integrated 10/100BASE-T/TX PHY, and Media Access Controller in a 32-pin QFN package measuring 5 mm x 5 mm. It provides 10 Mbps and 100 Mbps Ethernet connectivity for embedded systems using a host microcontroller equipped with an SPI interface. The device also includes one copper port and one uplink port, making it suitable for industrial, communications, building-automation, and networked embedded-control equipment. An Ethernet controller is an interface IC that integrates network-frame handling with physical-layer signaling. The KSZ8851 family combines the PHY and MAC with an SPI host interface, reducing the number of external components required to add wired Ethernet to a microcontroller-based product. This integration places the KSZ8851 within the hierarchy of Ethernet controller, network interface controller, interface IC, and semiconductor. Its SPI host interface supports a compact connection to embedded processors while preserving an independent Ethernet data path. The principal verified features are 10/100BASE-T/TX operation, a 3.3 V supply as identified by the distributor specification snippet, and a 32-pin lead-free QFN package. The integrated controller architecture simplifies firmware and hardware compared with a separated Ethernet MAC and external PHY arrangement. A single-port design also keeps board area and component count controlled, which is valuable in embedded products where connector placement, enclosure volume, and system cost are constrained. Technically, the KSZ8851SNL separates host access from Ethernet processing through its Serial Peripheral Interface. The SPI interface provides a compact communication path for register access, configuration, interrupt handling, and Ethernet data transfer. The integrated PHY handles the physical signaling required for 10/100BASE-T/TX copper networking, while the MAC performs the higher-level frame-processing functions required to present Ethernet traffic to the host processor. Typical applications include industrial Ethernet gateways, building-automation controllers, serial-to-Ethernet equipment, embedded test systems, HMI platforms, and network-connected sensors. It is also appropriate for custom industrial control equipment requiring a dedicated Ethernet port without allocating a high-performance host processor for basic Ethernet connectivity. The 5 mm x 5 mm QFN package supports compact designs, although exposed-pad layout and thermal management remain PCB-level concerns. Designers should follow Microchip's KSZ8851SNL Hardware Design Checklist for power, decoupling, magnetics, differential routing, and copper interface implementation. SPI trace integrity, grounding, and isolation requirements must be reviewed alongside the Ethernet physical layer because the controller is intended for copper-connected industrial networks rather than direct cable attachment without supporting network hardware.

Angebot Kontakt
KSZ8851SNLI - 10/100 Ethernet SPI Controller | Microchip
KSZ8851SNLI

KSZ8851SNLI - 10/100 Ethernet SPI Controller | Microchip

The Microchip Technology KSZ8851SNLI is an industrial-temperature-grade, single-port Fast Ethernet controller integrating a 10/100BASE-T/TX physical-layer transceiver, a Media Access Controller, and a Serial Peripheral Interface in a 32-QFN (5x5 mm) package. It connects a host microcontroller with an SPI interface to copper Ethernet and supports the 10 Mbps and 100 Mbps transfer rates of Fast Ethernet. A Fast Ethernet controller is a network-interface semiconductor that combines physical-layer signaling and higher-level frame processing. Within the product hierarchy, the KSZ8851SNLI is an Ethernet controller interface IC with an integrated Ethernet PHY and MAC. Its SPI host interface provides a practical way to add wired network connectivity to embedded systems without requiring a parallel host bus or a dedicated Ethernet processor. Key device features include a single Ethernet port, integrated 10/100BASE-T/TX PHY, integrated MAC, and an SPI interface. The manufacturer documentation identifies 3.3 V as the main supply and provides 1.8 V, 2.5 V, and 3.3 V options for VDD I/O, allowing the digital interface voltage to be matched more closely to the host microcontroller. The SNLI designation identifies the industrial-temperature-grade version of the KSZ8851SNL family. The KSZ8851SNL family supports SPI, 8-bit, 16-bit, and 32-bit non-PCI CPU interfaces, with package options of 32, 48, and 128 pins. The 32-QFN KSZ8851SNLI is therefore the SPI-oriented option for compact embedded equipment. Integrating the PHY and MAC reduces the number of external Ethernet interface functions required, while the SPI connection limits host-side wiring and allows a microcontroller to manage registers and network traffic through a serial interface. Typical uses include industrial monitoring, networked sensors, building controls, embedded access equipment, and compact gateway products. For these systems, the device can provide a single 10/100 copper port while the host handles application traffic, configuration, and network management. A board design must still provide the required magnetic interface, termination, reference circuitry, clocking, supply rails, and controlled-layout implementation described by the manufacturer hardware checklist. Designers should evaluate the SPI clock and signal-integrity requirements, power-supply sequencing, and Ethernet magnetics together rather than treating the controller as a stand-alone Ethernet jack interface. The 3.3 V supply and selectable 1.8 V, 2.5 V, or 3.3 V VDD I/O levels are important for host compatibility, while the compact 5x5 mm QFN footprint requires a land pattern and thermal strategy appropriate for a leadless package. This page combines the manufacturer identification, SPI and 10/100 Ethernet capabilities, verified-source links, and practical engineering guidance. It also distinguishes the directly documented same-family option from cross-package Ethernet devices, helping engineers make a footprint-aware choice without treating every Ethernet PHY as a drop-in replacement.

Angebot Kontakt
KSZ8863FLL - 3-Port 10/100 Managed Ethernet Switch | Microchip Technology
KSZ8863FLL

KSZ8863FLL - 3-Port 10/100 Managed Ethernet Switch | Microchip Technology

The Microchip Technology KSZ8863FLL is a highly integrated three-port 10/100 managed Ethernet switch with integrated PHYs, one 100BASE-FX fiber port, one 10/100BASE-TX copper port, and one additional 10/100 port. It supports 10/100 Mbps Ethernet switching, MII connectivity, and CPU control through I2C or SPI. The device is packaged in a 48-LQFP package measuring 7 mm by 7 mm. According to the verified product description, the KSZ8863FLL is intended for low-port-count, cost-sensitive, and power-efficient 10/100 Mbps switch systems. An Ethernet switch is a networking semiconductor that connects multiple Ethernet endpoints and forwards frames between ports using integrated physical-layer transceivers, or PHYs. The managed-switch category adds configuration and control functions beyond basic frame forwarding, including port management, VLAN support, QoS priority handling, and CPU-controlled data interfaces. The KSZ8863FLL belongs to the switch-on-a-chip family, combining multiple Ethernet ports and management functions into one device rather than requiring separate discrete PHY and switch components. Key verified features include a three-port architecture, integrated PHYs, 100BASE-FX fiber support, 10/100BASE-TX copper networking, one MII interface, and CPU control and data interfaces. The product is identified by DigiKey as an Ethernet Switch with a 1.8 V, 2.5 V, or 3.3 V supply option and a 48-LQFP 7 x 7 mm package. Microchip describes the KSZ8863 family as supporting switch management, port and tag-based VLAN, QoS priority, and CPU control, which makes it suitable for compact embedded-network equipment. The KSZ8863FLL is positioned for industrial, communications, and embedded Ethernet designs that need copper and fiber connectivity in a small package. Its integrated approach can reduce board-level component count and simplify the network architecture compared with a discrete switch implementation. The MII interface allows connection to a host processor or another Ethernet-compatible controller, while I2C or SPI management access supports configuration from a microcontroller or embedded system. Designers should verify the exact pinout, transceiver requirements, clocking, magnetics, and fiber-interface implementation against the manufacturer datasheet before layout. Although the MLL, FLL, and RLL variants belong to the same KSZ8863 family, their supported interfaces and features differ, so substitution must be checked carefully. The verified data does not provide complete electrical limits, pin names, or pricing, and those values are marked as needed rather than estimated. This page combines the verified KSZ8863FLL product identity, package information, application positioning, and datasheet references with practical selection guidance. It also distinguishes direct family substitutions from broader Ethernet-switch alternatives that may require PCB, firmware, or interface changes.

Angebot Kontakt
KSZ8863FLLI - 3-Port 10/100 Managed Ethernet Switch | Microchip Technology
KSZ8863FLLI

KSZ8863FLLI - 3-Port 10/100 Managed Ethernet Switch | Microchip Technology

The Microchip Technology KSZ8863FLLI is a highly integrated 3-port 10/100 managed Ethernet switch with fiber support, packaged in a 48-LQFP 7x7 mm package. It is designed for cost-sensitive, power-efficient low-port-count network systems and provides integrated 10/100 Ethernet PHYs with I2C and SPI control interfaces. The device supports 10 Mbps and 100 Mbps data rates and is identified as a 3-port Ethernet switch controller with Base-FX/T/TX PHY functionality. An Ethernet switch controller is an interface IC that integrates multiple physical-layer transceivers and switching logic into one device. It sits within the hierarchy of Ethernet interface ICs, network controllers, semiconductors, and broader communications equipment. By combining copper and fiber-oriented connectivity in a compact package, the KSZ8863 family is intended to reduce external component count in embedded gateways, industrial controllers, access equipment, and compact network appliances. The KSZ8863FLLI includes support for optical fiber, cable diagnostics, programmable LED indication, and a low-power operating mode. Its managed-switch architecture supports controlled network segmentation and status indication, while the integrated PHYs simplify connections to 10/100BASE-T and fiber-capable downstream equipment. The I2C and SPI interfaces provide host access for configuration and management functions. According to the manufacturer product description, the KSZ8863 series is cost-sensitive, power efficient, and optimized for low-port-count switching systems. The family variants use different suffix options to address product and ordering requirements while retaining a closely related 3-port 10/100 managed-switch architecture. The KSZ8863FLLI is supplied in a 48-LQFP package, enabling conventional surface-mount assembly in industrial and embedded equipment. Its operating temperature range is specified as -40°C to +85°C, making it suitable for extended industrial environments. The 100 Mbps data rate and fiber support distinguish it from basic single-port Ethernet PHY devices. Typical applications include industrial Ethernet gateways, serial-to-Ethernet equipment, access-point controllers, factory automation nodes, and compact embedded network appliances. Because the device combines managed switching, integrated PHYs, programmable LEDs, and low-power operation, it can simplify board design where a small network topology must operate without a discrete switch and multiple PHY packages. The main design consideration is power and signal integrity: place the device and its decoupling network according to the manufacturer reference layout, keep high-speed traces controlled, and validate Ethernet magnetics or fiber interfaces in the final board design. Also confirm the exact fiber, LED, and management configuration for the selected KSZ8863 variant before production release. This product page combines the verified manufacturer and distributor information, identifies package and interface details, and provides practical guidance for Ethernet switch design, sourcing, and qualification. The documented alternatives are organized by manufacturer priority and intended for engineering comparison rather than as automatic substitutions without footprint and configuration verification.

Angebot Kontakt
KSZ8863MLL 3-Port 10/100 Managed Ethernet Switch | Microchip
KSZ8863MLL

KSZ8863MLL 3-Port 10/100 Managed Ethernet Switch | Microchip

The Microchip Technology KSZ8863MLL is a highly integrated 3-port 10/100 Mbps managed Ethernet switch with integrated PHYs, one MII interface, and CPU control, supplied in a 48-lead LQFP package. It is designed for compact, cost-sensitive, power-efficient 10/100BASE-T networks. The KSZ8863MLL combines two copper Ethernet PHYs supporting 10BASE-T and 100BASE-TX with a third port that can operate through the MII interface or bypass mode. An Ethernet switch IC is a network-interface device that connects multiple Ethernet nodes through integrated PHYs and internal switching logic. The KSZ8863MLL belongs to the Ethernet switch family, which sits within network interface semiconductors and broader embedded communication systems. Its managed-switch features include port- and tag-based VLAN support, QoS priority, link management, and CPU-controlled configuration through I2C or SPI. These capabilities make it suitable when a design needs more deterministic LAN behavior than an unmanaged switch provides. The MLL variant is intended for 2.5 V and 3.3 V systems and supports 10BASE-T and 100BASE-TX operation on two PHY ports. The third port includes an MII interface for connection to a host processor or another Ethernet controller. The supplied product information identifies the device as a 48-LQFP (7x7 mm) part with a 48-pin package and a 100 Mbps Ethernet switch classification. The KSZ8863MLL is useful in industrial embedded systems, compact controllers, factory equipment, and network appliances where three Ethernet paths are needed without implementing a full-size switching ASIC. Its small package and integrated PHYs reduce external PHY count and simplify board design. Configuration can be handled through the CPU interface, while VLAN and QoS features help organize traffic and improve network behavior. Designers should follow the manufacturer datasheet and hardware design checklist for pin assignments, reset timing, clock requirements, magnetic-component selection, and power sequencing. The reset input is active-low, and a hardware reset is required after power-up according to the KSZ8863MLL hardware design checklist. Board layout, magnetics isolation, impedance-controlled traces, and bypass-capacitor placement are critical because Ethernet interfaces are sensitive to return-path and signal-integrity issues. This page combines the verified manufacturer product information, distributor identification, package details, pricing reference, and practical design guidance for engineers evaluating the KSZ8863MLL. It is intended to help determine whether this 3-port Ethernet switch fits a specific embedded networking design before consulting the complete manufacturer documentation.

Angebot Kontakt
KSZ8863MLLI - 3-Port 10/100 Managed Ethernet Switch | Microchip
KSZ8863MLLI

KSZ8863MLLI - 3-Port 10/100 Managed Ethernet Switch | Microchip

The Microchip Technology KSZ8863MLLI is a highly integrated, three-port managed Ethernet switch with 10/100 Mbps support, I2C and SPI host interfaces, one MII interface, and fiber support in a 48-pin LQFP package measuring 7 mm by 7 mm. It is designed for compact, cost-sensitive, and power-efficient networking systems. An Ethernet switch is a semiconductor that connects multiple local network nodes and manages traffic between network ports. This device belongs to the managed Ethernet switch hierarchy, where integrated PHYs, a switching fabric, and host-register control support small embedded networks without requiring a discrete Ethernet switch design. The KSZ8863 family combines copper and fiber connectivity options in a small package. Three integrated 10/100 Mbps ports support low-port-count network designs, while auto-negotiation follows Clause 28 of the IEEE 802.3u specification. That protocol lets connected devices select a common operating mode. I2C and SPI interfaces provide host access to device functions, while the MII interface supports connection to an external network controller. Advanced power management is specifically identified as a family feature for reducing system power consumption. The KSZ8863MLLI is one of three internal-bonding configurations designated MLL, FLL, and RLL. Microchip states that these configurations are not interchangeable because their internal bonding differs and the mode cannot be changed through an external pin or register setting. The selected configuration therefore remains a manufacturing and design-selection decision rather than a runtime configuration option. Typical uses include industrial Ethernet control, embedded gateways, industrial equipment networking, compact network switches, and systems that need a managed three-port Ethernet switch with copper or fiber uplink support. The 48-LQFP construction is suitable for conventional surface-mount PCB assembly rather than the very smallest leadless packages. Designers should treat the MLL suffix as functionally significant, preserve the manufacturer's recommended decoupling and clock circuitry, and route high-speed Ethernet and MII signals with controlled impedance. Before layout release, use the manufacturer pin-description table and application schematic to assign all 48 pins, especially power, ground, reset, management, PHY, and media-interface signals. This page organizes the KSZ8863MLLI's verified switching, interface, packaging, and compliance characteristics, clarifies why the MLL, FLL, and RLL variants cannot be substituted, and provides practical application guidance for engineers designing compact managed Ethernet equipment.

Angebot Kontakt
KSZ8863RLL - 3-Port 10/100 Ethernet Switch | Microchip
KSZ8863RLL

KSZ8863RLL - 3-Port 10/100 Ethernet Switch | Microchip

The Microchip Technology KSZ8863RLL is a cost-sensitive, power-efficient, highly integrated three-port 10/100 managed Ethernet switch with integrated PHYs and fiber support. The device is available in a 48-LQFP 7x7 mm package and is configured through I2C or SPI interfaces, as identified by the distributor listings and manufacturer product information. It is intended for low-port-count Ethernet systems requiring integrated copper and fiber connectivity. An Ethernet switch is a network-interface semiconductor that receives Ethernet frames on one port and forwards them to another port using address-based learning. The 10/100 designation refers to support for 10 Mbps and 100 Mbps Ethernet rates, while the three-port architecture consolidates multiple physical-layer connections into one device. In the system hierarchy, the KSZ8863RLL is an Ethernet interface IC, a network interface controller, and ultimately a communications semiconductor. The verified product information identifies the KSZ8863 family as a managed Ethernet switch with integrated 10/100 PHYs, I2C and SPI configuration interfaces, and fiber support. These capabilities allow a compact product to combine several network ports without requiring a separate switch controller and individual PHY devices. Its three-port organization is useful in industrial, embedded, communications, and edge-network equipment where a small number of Ethernet links must be managed efficiently. The KSZ8863RLL uses a 48-LQFP package measuring 7x7 mm according to the distributor listing. Package-level power, temperature, clock, and Ethernet-magnetics requirements must be confirmed in the manufacturer datasheet and KSZ8863RLL Hardware Design Checklist. Those documents are especially relevant to differential trace routing, magnetic-component placement, supply decoupling, and the reference-clock circuit. Typical deployments include three-port industrial Ethernet controllers, embedded network gateways, compact PLC communication modules, factory-floor connectivity, and OEM equipment requiring copper plus optional fiber links. The managed-switch architecture also makes the device suitable for systems that need more controlled network segmentation than an unmanaged repeater provides. For PCB implementation, preserve the pin assignments and reference-clock layout recommended by Microchip. The hardware checklist identifies pin 10 as the clock-circuit output and requires a capacitor to ground, while crystal, stray-capacitance, and load-capacitance values must be selected together. Ethernet magnetics, controlled-impedance routing, grounding, and isolation also require careful validation in the final board design. This page consolidates verified product identity, package information, pricing data, family substitutions, and practical hardware-design guidance. It also distinguishes documented KSZ8863 variants from unsupported replacement claims, helping engineers evaluate compatibility without treating every similar Ethernet switch as a true pin-to-pin substitute.

Angebot Kontakt
KSZ8863RLLI - 3-Port 10/100 Switch w/ RMII | Microchip
KSZ8863RLLI

KSZ8863RLLI - 3-Port 10/100 Switch w/ RMII | Microchip

The Microchip Technology KSZ8863RLLI is a highly integrated 3-port 10/100 managed Ethernet switch with PHYs, supporting one RMII interface and packaged in a 48-pin LQFP (7x7 mm) for industrial temperature operation. It delivers 100 Mbps data rate per port, integrates three 10/100BASE-TX PHYs with on-chip termination, and provides a non-PCI CPU interface via I2C or SPI to a host processor. The device targets cost-sensitive, power-efficient industrial and embedded networking designs that need a small footprint, low port count managed switch. A managed Ethernet switch is a Layer 2 network device that uses a switch fabric to forward Ethernet frames between connected ports based on MAC address tables, while providing management features such as VLAN, QoS, port mirroring, and rate limiting. The KSZ8863RLLI sits in the hierarchy: Ethernet switch -> managed switch -> Layer 2 switch -> networking IC -> semiconductor. It is part of the IEEE 802.3 / 802.3u family of Fast Ethernet devices, supporting auto-negotiation per Clause 28 of the IEEE 802.3u specification. Key features include integrated 10/100BASE-TX PHYs with HP auto-MDI/MDIX (no external magnetics on the PHY side), support for fiber mode on Port 3, an RMII interface to an external MAC or host, an I2C/SPI host management interface, advanced power management including energy-detect mode, and 1.4 KB packet buffer per port. The device operates from -40C to +85C industrial temperature range. Architecture is built on a store-and-forward switch fabric with 1 Gbps total bandwidth, supporting wire-speed non-blocking forwarding on all three ports. The device includes IEEE 802.1Q VLAN, 802.1p QoS priority queues, port-based access control, and IGMP snooping for multicast filtering. The 48-pin LQFP package allows simple 4-layer PCB assembly using standard lead-free reflow. Typical applications include industrial Ethernet sensor networks, IP surveillance cameras with daisy-chained switch ports, building automation backbones, factory automation PLCs, and embedded IoT gateways requiring multiple Ethernet ports. The integrated PHYs and small package reduce BOM cost and PCB area versus discrete MAC+PHY solutions. When designing with this device, designers should follow the KSZ8863RLL Hardware Design Checklist from Microchip for crystal and magnetics selection. The 25 MHz reference clock drives the internal PHYs; PHY-to-MAC connection should use impedance-controlled traces per IEEE 802.3 100BASE-TX. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

Angebot Kontakt
KSZ8863RLLI-TR - 3-Port 10/100 Ethernet Switch w/ PHY | Microchip
KSZ8863RLLI-TR

KSZ8863RLLI-TR - 3-Port 10/100 Ethernet Switch w/ PHY | Microchip

The Microchip Technology KSZ8863RLLI-TR is an integrated 3-port 10/100 Mbps managed Ethernet switch with three on-chip PHYs, I2C and SPI host interfaces, and a 48-pin LQFP (7x7 mm) package. It is designed for cost-sensitive, low port-count, power-efficient switching systems, supports IEEE 802.3/802.3u, and provides advanced power management including Energy Efficient Ethernet (EEE) Actiphy and Wake-on-LAN. An Ethernet switch IC is a Layer-2 networking semiconductor that interconnects multiple Ethernet ports within a system, performing MAC address learning, frame forwarding, and QoS prioritization. The KSZ8863 belongs to the unmanaged/lightly-managed switch IC family within the broader Ethernet controller category, sitting alongside standalone PHY transceivers and full Layer-2+ managed switches in the network IC taxonomy. Compared to a discrete PHY plus MAC, an integrated switch-on-chip reduces board area, BOM, and power while adding hardware-based QoS. Key features include three integrated 10/100Base-TX PHYs with HP Auto-MDI/MDI-X, IEEE 802.1Q VLAN tagging support, QoS/priority queues with 802.1p, port-based rate limiting, and per-port cable diagnostics. The RLLI suffix indicates the LQFP-48 industrial-temperature variant (-40C to +85C) supplied in tape-and-reel packaging. The device operates from a single 3.3 V supply with typical power consumption around 0.5 W, and includes a 25 MHz reference clock input. Internally the KSZ8863 uses a store-and-forward architecture with a 1.5 Mbit shared packet buffer, supports RMII for an external MAC or uplink port, and offers PHY loopback for diagnostics. The integrated PHYs include on-chip termination resistors and adaptive equalization, simplifying magnetics selection. Typical applications include industrial Ethernet daisy-chaining, IP cameras and surveillance switches, building automation gateways, factory-floor sensor aggregation, automotive Ethernet gateway modules, and any embedded system that needs a small, low-power 3-port switch. When designing with the KSZ8863RLLI-TR, follow the KSZ8863RLL Hardware Design Checklist for magnetics, RBIAS resistor, and 25 MHz crystal layout. Use short, impedance-controlled 100-ohm differential traces between the PHY outputs and the magnetics, and provide adequate bulk decoupling on each AVDD supply pin. This page synthesizes distributor pricing, pin-compatible alternatives, and practical design notes that are not found in the manufacturer datasheet alone, helping embedded network designers select and source the right switch IC for their application.

Angebot Kontakt
KSZ8864CNXC - 4-Port 10/100 Managed Ethernet Switch | Microchip
KSZ8864CNXC

KSZ8864CNXC - 4-Port 10/100 Managed Ethernet Switch | Microchip

The Microchip Technology KSZ8864CNXC is a highly integrated, Layer 2-managed 4-port 10/100 Mbps Ethernet switch with two MAC interfaces supporting MII or RMII operation, packaged in a 64-QFN 8 x 8 mm package. The device is intended for cost-sensitive embedded networking systems that require multiple Fast Ethernet ports in a compact surface-mount footprint. An Ethernet switch is a network-interface IC that forwards Ethernet frames between connected devices and an upstream controller or network segment. The KSZ8864 belongs to the managed switch, Ethernet interface controller, network interface IC, and semiconductor hierarchy. Its Layer 2 management function provides controlled frame handling at the edge of an embedded network rather than requiring a separate bridge or complex external switching hardware. Key characteristics include four integrated 10/100 Base-T/TX ports, two MACs with selectable MII or RMII interfaces, on-chip termination, low power consumption, and a 64-QFN package measuring 8 x 8 mm. These characteristics make the device suitable where space, interface count, and system cost are important constraints in industrial, automotive, communications, and embedded-control products. Technically, the KSZ8864 combines four Fast Ethernet PHYs with managed Layer 2 switching functions and host-facing MAC interfaces in one package. MII provides a parallel interface with separate data paths, while RMII reduces the number of required host-interface signals. The two MACs support designs that need more than one upstream or management connection. According to the Microchip KSZ8864CNX/RMNUB datasheet, the family includes on-chip termination to reduce external component count and support compact 10/100 Mbps switch systems. Typical applications include industrial Ethernet gateways, vehicle network interfaces, embedded routers, serial-to-Ethernet equipment, industrial controllers, set-top networking, and compact embedded access systems. The device is especially relevant when a design needs four Fast Ethernet ports, two host interfaces, managed Layer 2 behavior, and a small package on the same PCB. The primary design consideration is interface and power planning. The PCB must route MII or RMII signals according to the selected host-interface mode, provide appropriate decoupling, and preserve controlled-impedance paths where timing or EMI performance matters. Because this is a digital interface IC rather than a power semiconductor, a Safe Operating Area chart is not applicable. This product overview combines the manufacturer’s switch description, verified package and interface facts, replacement analysis, and practical implementation guidance. It also distinguishes the base device from automotive and temperature-grade ordering variants that can share the same 64-QFN footprint but serve different qualification requirements.

Angebot Kontakt