Interface ICs
Subcategories
Products (257)
DP83TC814S-Q1 - 100BASE-T1 Auto Ethernet PHY SGMII | TI
The Texas Instruments DP83TC814S-Q1 is a low-power 100BASE-T1 automotive Ethernet physical layer (PHY) transceiver with SGMII MAC interface support, IEEE 802.3bw compliant and AEC-Q100 qualified, housed in a 6.00 mm x 6.00 mm 36-pin VQFN wettable-flank package. It does not support TC10 sleep/wake-up. An Ethernet PHY (physical layer transceiver) is the interface IC that converts digital MAC frames into analog signals suitable for transmission over a twisted-pair cable. Within the network signal chain, the PHY sits between the media access controller (MAC) in a processor or switch and the physical medium, performing serialization, line coding, equalization, and echo cancellation. In the 100BASE-T1 standard (IEEE 802.3bw, also known as Automotive Ethernet or Open Alliance BroadR-Reach), a single unshielded twisted pair carries full-duplex 100 Mbps traffic over up to 15 meters. Key features of the DP83TC814S-Q1 include Open Alliance and IEEE 802.3bw compliance with Level IV emissions passing achieved through an integrated line filter (LPF), SAE J2962-3 EMC compliance, and configurable MAC interface I/O voltages of 3.3 V, 2.5 V, and 1.8 V with an optional separate voltage rail for the MAC interface pins. It supports MII, RMII, RGMII, and SGMII MAC interfaces, giving designers flexibility across host processors. The device integrates a pseudo-random binary sequence (PRBS) frame generator fully compatible with internal loopbacks, allowing transmit and receive testing without a MAC attached. This accelerates production-line testing and board bring-up. The S-variant uniquely adds SGMII high-speed serialization for processors that only expose SGMII ports. Typical applications include ADAS camera and radar links, domain and zonal control units, infotainment networks, and gateway ECUs that aggregate multiple 100 Mbps automotive Ethernet branches. Design consideration: because the PHY is AEC-Q100 qualified for automotive environments, verify the power tree supports the configurable I/O rails early; the separate MAC-rail option avoids level shifters. This page synthesizes datasheet specifications, drop-in alternatives, and design guidance not found in the manufacturer datasheet.
DP83TC816-Q1 - 100Base-T1 Automotive Ethernet PHY | TI
The Texas Instruments DP83TC816-Q1 is an automotive-qualified 100Base-T1 Ethernet physical layer transceiver compliant with IEEE 802.3bw and the Open Alliance (OA), delivering 100 Mbps full-duplex communication over a single unshielded or shielded twisted-pair cable in a 36-pin VQFN (6x6 mm) package. An Ethernet PHY (physical layer transceiver) is the IC that converts digital MAC-layer data into analog signals suitable for transmission over a physical cable medium. Within the network stack hierarchy - MAC, PHY, transformer/connector - the PHY sits between the media access controller and the twisted-pair link, handling encoding, equalization, echo cancellation, and link training. In automotive systems it enables the single-pair Ethernet (SPE) topology standardized as 100Base-T1 (also known as IEEE 802.3bw and formerly BroadR-Reach). Key features include xMII interface flexibility (RGMII and SGMII per the product brief), IEEE 802.1AS gPTP time-stamping support, AVB clock generation for audio-video-bridging networks, and TC10 sleep-wake power management for reduced system standby current. These functions make the device suited to zonal and domain controller architectures where synchronized, low-latency in-vehicle networking is required. Technically, the DP83TC816-Q1 performs all physical-layer functions required to transmit and receive data over single twisted-pair cables, including analog front-end signal conditioning and DSP-based equalization, while providing the MAC-facing digital interface options that simplify connection to automotive Ethernet switches and SoCs. Typical applications include automotive domain and zonal controllers, ADAS sensor aggregation links, camera and display connectivity over single twisted pair, and gateway ECUs bridging 100Base-T1 links to other in-vehicle network domains. When designing the board, keep the MDI pair routing impedance-controlled (100-ohm differential) and follow TI's reference design layout for the decoupling network around the VQFN-36 supply pins to meet OA EMC conformance. This page synthesizes distributor data, verified datasheet information, drop-in same-family alternatives, and practical migration guidance not found in the manufacturer datasheet alone.
DP83TC816RHARQ1 - 100Base-T1 Automotive Ethernet PHY | TI
The Texas Instruments DP83TC816RHARQ1 is an automotive-qualified 100Base-T1 Ethernet physical layer transceiver with IEEE 802.1AS gPTP support, AVB clock generation, and TC10 Sleep-Wake, compliant with IEEE 802.3bw and the Open Alliance, housed in a 36-pin VQFN package. It transmits and receives 100 Mbps data over a single unshielded or shielded twisted-pair cable with xMII interface flexibility. An Ethernet PHY (physical layer transceiver) is the IC that connects a media access controller (MAC) to the physical cabling of a network. In the automotive network hierarchy, the PHY sits between the MAC integrated in a SoC or gateway processor and the single twisted-pair (STP/UTP) wiring harness, performing encoding, decoding, clock recovery, equalization, and link diagnostics as defined by the 100Base-T1 standard (IEEE 802.3bw, formerly Broadcom BroadR-Reach). Key features include RGMII and SGMII MAC interface options, AVB (Audio Video Bridging) clock generation for deterministic in-vehicle networking, IEEE 802.1AS time synchronization support, and TC10 Sleep-Wake power management for network standby. Automotive AEC-Q100-grade qualification per the -Q1 suffix makes it suitable for in-vehicle deployment across extended temperature ranges. Architecturally, the device integrates the full analog front end - line drivers, receivers, echo canceller, adaptive equalizer, and clock recovery loop - plus a digital baseband engine and flexible PLL/clock synthesis block, allowing a single crystal to generate gPTP-aligned reference clocks for media playback and camera synchronization. Typical applications include automotive gateway ECUs, ADAS camera and radar domains, infotainment head units, and zonal body controllers that require 100 Mbps single-pair Ethernet links with synchronized AVB traffic. Design consideration: verify MAC interface mode selection (RGMII vs SGMII) at reset strapping early in the project, since this determines both the PCB routing plan and clock topology. This page synthesizes distributor sourcing data, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
DP83TD555J-Q1 - 10BASE-T1S SPI MAC-PHY Transceiver | TI
The Texas Instruments DP83TD555J-Q1 is an automotive-grade IEEE 802.3cg 10BASE-T1S and Open Alliance (OA) TC10, TC14 compliant SPI MAC-PHY Ethernet transceiver. It integrates the Ethernet MAC, enabling microcontrollers with only an SPI interface to connect seamlessly to a 10 Mbps multidrop single-pair Ethernet (SPE) network over unshielded twisted pair cable with extended common-mode voltage tolerance. A 10BASE-T1S MAC-PHY transceiver is a physical-layer device that combines an integrated IEEE 802.3 media access controller (MAC) with the 10BASE-T1S PHY, offloading Ethernet protocol handling from a host MCU. Within the automotive Ethernet ecosystem it serves as a low-cost, lightweight alternative to CAN and LIN for in-vehicle networking, supporting multidrop topologies of more than 25 m cable and over 16 nodes depending on channel characteristics. Key features include AEC-Q100 qualification for automotive environments, an OA-compliant 3-pin SPI host interface, TC10 wake/sleep functionality with remote wake-up over the Ethernet data line, and integrated diagnostics such as cable fault detection, undervoltage monitoring, and overtemperature monitoring. OA TC14 compliance enables advanced diagnostics and topology discovery, streamlining system development and maintenance. The integrated MAC architecture eliminates the need for a discrete external MAC, reducing BOM cost and PCB area in resource-constrained ECUs. Half-duplex multidrop operation over a single unshielded twisted pair makes the device well suited to zonal and body-domain network topologies, where many low-bandwidth nodes share one bus segment. Power consumption is optimized through TC10 sleep modes with data-line remote wake-up. Typical applications include automotive body control modules, door modules, seat control, lighting control, and sensor fusion nodes, as well as industrial and building automation systems requiring single-pair Ethernet. Low standby power makes it ideal for always-on, battery-sensitive automotive systems. When designing with the DP83TD555J-Q1, follow TI datasheet recommendations for differential-pair PCB layout, power-supply decoupling, bus termination, and ESD protection for robust operation in harsh automotive electrical environments.
DP83TG720S-Q1 - 1000BASE-T1 Automotive Ethernet PHY | TI
The Texas Instruments DP83TG720S-Q1 is an AEC-Q100 qualified 1000BASE-T1 automotive Ethernet physical layer transceiver transmitting PAM3 ternary symbols at 750-MBd over a single unshielded or shielded twisted-pair cable, with RGMII and SGMII MAC interface support in a 36-pin VQFN (6x6 mm) wettable-flank package. An Ethernet PHY (physical layer transceiver) is the IC that converts digital MAC frames into analog signals suitable for transmission over a cable medium, sitting at the lowest layer of the OSI network hierarchy: PHY -> media access controller (MAC) -> Ethernet switch -> in-vehicle network. In automotive systems, single-pair Ethernet (SPE) as defined by IEEE 802.3bp (1000BASE-T1) and the Open Alliance spec reduces wiring weight and cost compared to four-pair 1000BASE-T. Key features include full xMII flexibility (RGMII and SGMII), compliance to IEEE 802.3bp and Open Alliance EMC and interconnect standards, and operation over unshielded or shielded single twisted-pair cable. The wettable-flank VQFN package supports optical inspection of solder joints required in automotive assembly lines, and the Q1 designation confirms AEC-Q100 automotive qualification. The DP83TG720S-Q1 transmits PAM3 ternary symbols at 750-MBd, encoding 1000 Mbps of payload onto a lower symbol rate to relax channel bandwidth requirements over automotive cabling. Per TI datasheet and the TI ti-ethernet-software repository, mainline Linux and TI RTOS drivers (dp83tg720.c) are available, easing integration with Zynq UltraScale+ and other MAC platforms. Typical applications include ADAS camera and radar backbone links, infotainment networks, domain and zonal gateways, and Power over Data Lines (PoDL) automotive designs - TI's PoDL reference design pairs this PHY with the DP83TC812S-Q1 for switchable 100/1000 Mbps operation. Design consideration: verify Open Alliance EMC compliance of your magnetics and common-mode choke selection, and confirm MDIO post-reset stabilization timing (T6.2) before first MDIO access. This page synthesizes verified datasheet data, drop-in family alternatives, application pairings, and design notes not found in the manufacturer datasheet. Pricing as of 2026-10-16.
DP83TG721R-Q1 - 1000BASE-T1 Automotive Ethernet PHY | TI
The Texas Instruments DP83TG721R-Q1 is an automotive-qualified 1000BASE-T1 Ethernet physical layer (PHY) transceiver delivering 1 Gbps over a single unshielded or shielded twisted-pair cable, packaged in a 36-pin VQFN (6x6 mm) with advanced TSN and AVB features. An Ethernet PHY (physical layer transceiver) is the IC that converts the digital MAC-layer frames of a network processor or microcontroller into analog signals suitable for transmission over copper cable. In a vehicle network hierarchy, the PHY sits between the Ethernet switch/MAC and the single twisted-pair (SPE) wiring harness, making it the foundation block of automotive in-vehicle networking (IVN) architectures such as domain/zonal E/E topologies. Key features of the DP83TG721R-Q1 include IEEE 802.3bp and Open Alliance compliance, full 1000BASE-T1 operation over a single twisted pair, TC-10 sleep/wake power management, IEEE 802.1AS time synchronization, and advanced Time-Sensitive Networking (TSN) and Audio Video Bridging (AVB) capabilities. The device can also generate FSYNC/SCLK wall-clock-synchronized outputs for I2S/TDM8 audio interfaces, a differentiating feature for in-vehicle audio networks. The transceiver provides all physical layer functions required to transmit and receive data over single twisted-pair cable, and is electrically compatible with TI's 100BASE-T1 and 1000BASE-T1 PHY families, enabling design scalability: one PCB footprint can serve both 100 Mbps and 1 Gbps links. This multi-speed compatibility reduces harness and board re-qualification effort across vehicle platforms. Typical applications include ADAS camera and sensor links, zonal gateway ECUs, infotainment and audio networks, and in-vehicle robotics platforms requiring deterministic gigabit connectivity. The AEC-Q100-oriented automotive qualification and Open Alliance conformance target harsh automotive EMC environments. A key design consideration: the publicly available short-form datasheet does not include the complete pinout and application circuit, as confirmed on the TI E2E forum; engineers should plan schematic capture around TI's NDA documentation. Note also that some pins on the related DP83TG720 are NC, so pin functions must be re-verified when reusing layouts. This page synthesizes verified distributor data, drop-in alternatives, migration guidance from TI E2E forum threads, and practical design notes not found in the manufacturer's short-form datasheet.
DS15BR400TSQ/NOPB - 4-Ch LVDS Buffer 2Gbps | TI
The Texas Instruments DS15BR400TSQ/NOPB is a 4-channel LVDS buffer/repeater with data rates up to 2 Gbps, a 3.0V to 3.6V single supply, and 578 mW typical power consumption, housed in a 32-pin WQFN (RTV) 5x5 mm package with exposed pad. An LVDS (Low-Voltage Differential Signaling) buffer/repeater is an interface IC that regenerates high-speed differential signal streams. Within the signal-chain hierarchy of interface ICs, repeaters sit between a differential line driver and receiver, restoring signal amplitude and timing integrity across lossy interconnects such as backplanes, cables, and connectors where ISI (inter-symbol interference) jitter degrades the eye diagram. Key features include a 2 Gbps per-channel data rate, flow-through pinout that minimizes internal device jitter and simplifies board layout, and pre-emphasis that overcomes ISI jitter effects from lossy backplanes and cables. Propagation delay is typically 1.0 ns with only 3 pF input capacitance, reducing loading on the source driver. The differential inputs interface to LVDS and Bus LVDS signals, such as those on TI 10-, 16-, and 18-bit bus LVDS devices. The device is powered from a single 3.3V supply and consumes 578 mW typical (about 215 mA supply current). It operates over the -40C to +85C industrial temperature range, making it suitable for factory-floor and telecom equipment environments. The space-saving WQFN-32 exposed-pad package aids thermal dissipation and supports high-speed signal routing. Typical applications include backplane signal conditioning in telecom and data communication equipment, point-to-point LVDS link extension across cables and connectors, and clock or data distribution to imaging and display subsystems where jitter must be minimized. When designing with this device, keep inter-pair skew matched on the flow-through routing and use the pre-emphasis setting matched to the length of the lossy channel; excessive pre-emphasis can overdrive short channels. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
DS15BR400TVSX/NOPB - 4-Ch LVDS Buffer 2Gbps | TI
The Texas Instruments DS15BR400TVSX/NOPB is a 4-channel LVDS buffer/repeater with pre-emphasis supporting data rates up to 2 Gbps, powered from a single 3.0V to 3.6V supply in a 48-pin TQFP (PFB, 7x7 mm) package. Each channel delivers a typical propagation delay of 1.0 ns with 3 pF input capacitance, and the device consumes a typical 215 mA supply current (approximately 578 mW) across the full -40C to +85C industrial temperature range. An LVDS (Low-Voltage Differential Signaling) buffer/repeater belongs to the broader family of high-speed interface ICs, sitting within the signal-conditioning hierarchy between a differential line driver and the receiving ASIC or serializer. Its role is to regenerate degraded differential signals, restoring amplitude and sharpness so that data can traverse lossy media such as backplanes and cables without violating eye-mask requirements at the receiver. Key differentiating features include the 2 Gbps per-channel data rate, pre-emphasis that overcomes ISI (inter-symbol interference) jitter introduced by lossy transmission media, and a flow-through pinout that minimizes internal device jitter while dramatically simplifying PCB routing. The differential inputs interface directly to standard LVDS and Bus LVDS signal levels, such as those generated by TI 10-, 16-, and 18-bit serializers, making the device a natural companion in SerDes-based video and data-conversion links. Architecturally, the DS15BR400 uses high-speed differential input buffers followed by output drivers with programmable-style pre-emphasis compensation. Because the signal path is analog buffer-based rather than clock-and-data-recovery based, latency is deterministic and low (1.0 ns typical), which matters in phase-critical pixel-clock and sample-clock distribution. High-speed data paths with flow-through pin ordering keep intra-pair skew tight and reduce via stubs. Typical applications include flat-panel display and medical-imaging backplanes carrying FPD-Link or OpenLDI-style LVDS streams, high-speed data acquisition and ADC-to-processor links, and industrial camera or video router systems where 2 Gbps serial streams cross connectors and cable assemblies. When designing with this part, control the inter-pair skew budget and use controlled-impedance 100-ohm differential routing; pre-emphasis settings should be validated on your specific backplane attenuation, since over-emphasis can increase crosstalk at the far end. This page synthesizes distributor pricing context, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
DS90CR211MTDX - 21-Bit LVDS Channel Link Transmitter | TI
The DS90CR211MTDX is a 21-bit Channel Link transmitter from Texas Instruments that converts 21 bits of CMOS/TTL data into three LVDS (Low Voltage Differential Signaling) data streams. A phase-locked transmit clock is transmitted in parallel with the data streams, allowing the receiver to recover the clock and data with minimal skew. The device operates from a 4.5V to 5.5V supply and is available in a 48-pin TSSOP package (48-TFSOP, 0.240", 6.10mm width). It supports data rates up to 840 Mbps, making it suitable for high-speed point-to-point data transmission in display interfaces, industrial cameras, and medical imaging systems. Channel Link is a proprietary high-speed digital interface technology developed by National Semiconductor (now part of Texas Instruments) that reduces the number of parallel data lines by serializing them into LVDS pairs. This technology is widely used in flat panel displays, digital video interfaces, and other applications requiring high bandwidth over a limited number of wires. The DS90CR211MTDX is part of the Channel Link family, which includes transmitters and receivers that work together to provide a complete serialization/deserialization solution. Key features of the DS90CR211MTDX include a 21-bit parallel input, three LVDS data outputs plus one clock output, and a maximum data rate of 840 Mbps. The device has a typical power consumption of [DATA_NEEDED: power consumption] and supports a wide operating temperature range of -40°C to +85°C. The LVDS outputs feature low voltage swing (typically 350 mV) and high noise immunity, making the device ideal for noisy industrial environments. The transmitter also includes a power-down mode to reduce power consumption when not in use. The DS90CR211MTDX uses a phase-locked loop (PLL) to generate the high-speed serial clock from the parallel input clock. The PLL ensures low jitter and accurate data alignment, which is critical for reliable data transmission at high speeds. The device also features built-in termination resistors on the LVDS outputs, simplifying PCB layout and reducing external component count. The TSSOP package offers a compact footprint with a 0.65mm lead pitch, suitable for space-constrained designs. Typical applications include flat panel displays, digital video interfaces, industrial cameras, medical imaging, and automotive infotainment systems. The device is particularly well-suited for applications requiring high-speed data transfer over long distances with minimal EMI, as LVDS signaling inherently provides low electromagnetic interference. The DS90CR211MTDX is also used in test and measurement equipment where high-speed data acquisition is required. When designing with the DS90CR211MTDX, ensure that the LVDS output traces are impedance-matched (typically 100Ω differential) and kept as short as possible to minimize signal integrity issues. The power supply should be well-decoupled with 0.1µF and 10µF capacitors placed close to the VCC pins. The PLL requires a clean power supply to achieve optimal jitter performance, so avoid routing the power traces near high-speed switching signals.
DS90CR282MTDX - 28-Bit LVDS Channel Link Receiver | Texas Instruments
The Texas Instruments DS90CR282MTDX is a 28-bit Channel Link receiver that converts four LVDS (Low Voltage Differential Signaling) data streams back into 28 bits of CMOS/TTL parallel data. It is designed to pair with the DS90CR281 transmitter, which serializes 28 bits of CMOS/TTL data into four LVDS data streams along with a phase-locked transmit clock. The receiver operates from a 4.5V to 5.5V supply and is housed in a 56-pin TSSOP (TFSOP) package, making it suitable for high-speed point-to-point data transmission over twisted-pair or PCB traces. Channel Link is a proprietary high-speed digital interface technology developed by National Semiconductor (now part of Texas Instruments) that reduces the number of parallel data lines by serializing them into differential pairs. This technology is widely used in flat panel displays, digital video interfaces, and other high-bandwidth applications where reducing cable count and EMI is critical. The DS90CR282MTDX is a receiver in this family, providing the deserialization function that reconstructs the original parallel data bus. Key features of the DS90CR282MTDX include support for data rates up to 66 MHz (as per the DS90CR285 transmitter), a 28-bit parallel interface, and LVDS signaling that provides low EMI and high noise immunity. The device includes an internal PLL for clock recovery and supports a power-down mode to reduce quiescent current. The 56-pin TSSOP package offers a compact footprint for space-constrained designs. Technically, the DS90CR282MTDX uses a differential signaling scheme with a nominal 3.5mA output current and a typical 100-ohm termination resistor at the receiver input. The receiver's input common-mode voltage range is designed to accommodate ground potential differences between transmitter and receiver. The device is specified for the commercial temperature range (0°C to 70°C) and is available in tape and reel packaging. Typical applications include flat panel display interfaces, digital video links, and industrial imaging systems where high-speed serial data transmission over short distances is required. The DS90CR282MTDX is often used in conjunction with the DS90CR281 transmitter to form a complete Channel Link solution. When designing with this device, ensure proper termination of the LVDS lines with 100-ohm resistors close to the receiver inputs, and maintain controlled impedance on the PCB traces to minimize signal reflections. The power-down pin can be used to reduce power consumption when the link is idle.
FMS6502 - 8x6 Video Switch Matrix TSSOP-24 | onsemi
The onsemi FMS6502 is an 8-input, 6-output video switch matrix with integrated output drivers, input clamp, and bias circuitry, housed in a 24-pin TSSOP (MTC) package. It routes any of eight video inputs to any of six outputs under I2C control, with one output driver per output channel. A video switch matrix (also called a crosspoint switch) is an analog routing IC that belongs to the video conditioning and audio/video ASSP family within the broader interface IC category. Its role in the system hierarchy is to sit between multiple video sources (such as decoders, tuners, or SoC outputs) and multiple video sinks (encoders, displays, or recorders), replacing banks of discrete analog multiplexers and buffer amplifiers. Key features include an 8x6 crosspoint architecture in which each input can be routed to one or more outputs, while only one input may drive any given output at a time, preventing bus contention. Each input supports an integrated clamp option that sets the output sync tip level of video with sync to approximately 300 mV, which is essential for maintaining correct black-level reference in composite and S-Video signals. Alternatively, the input may be internally biased to center outputs without sync (Chroma, Pb, Pr) at a defined mid-level, supporting component video formats. Architecturally, the device integrates output drivers on every output, eliminating the external buffer stages that discrete crosspoint solutions require. The I2C serial interface allows full matrix reconfiguration, and the onsemi VIPDEMO evaluation platform supports single-register read and write operations for I2C bring-up and debugging. Typical applications include set-top boxes, DVD recorders and players, video servers, CCTV/security video routing, automotive rear-seat entertainment, and any multi-source/multi-display video system requiring glitch-free source selection. Design consideration: choose clamp mode for signals containing sync and bias mode for sync-less component signals; incorrect mode selection shifts the DC operating point of the downstream video path. Verify I2C register maps against the onsemi datasheet before board bring-up. This page synthesizes distributor pricing, drop-in alternatives, lifecycle status, and practical design notes not found in the manufacturer datasheet alone.
FSA4480UCX - USB Type-C Audio Switch 25-WLCSP | onsemi
The onsemi FSA4480UCX is a high-performance USB Type-C port multimedia analog audio switch that supports analog audio headsets, housed in a 25-ball WLCSP package (2.24 x 2.28 mm) with a 6-channel switch configuration and integrated protection function. A USB Type-C analog audio switch is a special-purpose analog multiplexer that lets a single reversible USB Type-C connector carry multiple signal types simultaneously. In the port-sharing hierarchy, it sits between the USB Type-C receptacle and the application processor's USB PHY and audio codec, routing USB 2.0 data, analog left/right audio, sideband-use (SBU) lines, and analog microphone signals onto the shared pins. This eliminates dedicated 3.5 mm jacks and enables slimmer smartphone and tablet designs. Key features of the FSA4480 include sharing of a common USB Type-C port to pass USB 2.0 signal, analog audio, sideband use wires, and analog microphone signal, plus support for high voltage on the SBU port and USB port on the receptacle side - critical because SBU pins can be exposed to fault voltages during accessory attach and cable orientation changes. Technically, the device is fabricated as an integrated CMOS analog switch array with low on-state characteristics suited to audio-band signal integrity. The WLCSP (wafer-level chip-scale package) die size of 2.24 x 2.28 mm minimizes board area and shortens analog signal traces, which reduces insertion loss and crosstalk for audio and high-speed USB routing. The FSA4480 is documented in the onsemi datasheet 'USB Type-C Analog Audio Switch with Protection Function' (published 2019-11-22, 29 pages). Typical applications include smartphones and tablets using a single Type-C connector for audio accessories, laptop and notebook audio-headset sharing, docking stations, and true-wireless charging cases requiring port consolidation. The protection function makes it especially suitable for consumer ports exposed to harsh accessory environments. Design consideration: verify SBU high-voltage tolerance against your application's worst-case fault scenario, and keep WLCSP routing impedance-controlled; WLCSP packages require careful PCB fanout and do not support rework as easily as QFN alternatives. This page synthesizes distributor pricing, cross-reference guidance, and practical design notes not found in the manufacturer datasheet alone.
FUSB302BMPX - USB Type-C Controller with PD | onsemi
The onsemi FUSB302BMPX is a programmable USB Type-C controller with USB Power Delivery (PD) support, delivered in a 14-pin MLP (2.5 x 2.5 mm) package. It handles Type-C attach detection, cable orientation detection, and integrates the physical layer of the USB BMC (Biphase Mark Coding) power delivery protocol, supporting power roles of DRP (Dual Role Port), SRC (Source), and SNK (Sink, its default configuration). A USB Type-C controller is a bridge IC between a system embedded controller and the USB Type-C connector. It sits in the product hierarchy of interface ICs -> USB controllers -> USB Type-C/PD controllers, and is responsible for CC-line communication, role swap, and PD message exchange, enabling up to 100 W of power delivery over the USB-C cable without dedicated high-speed analog circuitry in the main SoC. Key features of the FUSB302BMPX include full USB Type-C attach and orientation detection, an integrated BMC PD PHY enabling up to 100 W power and role swap, and support for the alternative interfaces of the Type-C specification. The device communicates with the host over an I2C interface and provides an interrupt output for event-driven operation, keeping host firmware overhead low. Technically, the FUSB302B integrates the CC-line comparators, BMC transmit/receive physical layer, and digital protocol engine in a compact 2.5 x 2.5 mm MLP-14 footprint. Because the PD PHY is on-chip, designers avoid implementing time-critical BMC encoding in software, improving USB-IF compliance robustness. onsemi provides reference code for the FUSB302B for easy implementation across several embedded controller platforms. Typical applications include USB-C power adapters and chargers, smartphones and tablets, notebooks and docking stations, power banks, and monitor/TV USB-C ports. Its small 2.5 x 2.5 mm MLP package suits space-constrained portable designs, while 100 W PD support covers laptop charging scenarios. A key design consideration: the FUSB302BMPX defaults to SNK (sink) role, so source or DRP behavior must be programmed via the I2C register interface. CC-line ESD protection and correct Rp/Rd termination selection are also critical for reliable attach detection. This page synthesizes distributor pricing, the verified onsemi drop-in replacement guidance for FUSB302MPX, and practical design notes not found in the manufacturer datasheet alone.
FUSB302MPX - USB Type-C Controller with PD | onsemi
The onsemi FUSB302MPX is a programmable USB Type-C controller with Power Delivery (PD) support, operating from a 2.8V to 5.5V supply and packaged in a 14-pin MLP (2.5x2.5 mm) package with exposed pad. It is a USB 3.1 companion USB interface IC designed to implement the USB Type-C connection management and Power Delivery protocol layers. A USB Type-C controller is a dedicated interface IC that manages the CC (Configuration Channel) lines of a USB Type-C connector. In the system hierarchy, it sits between the USB power path / USB 3.1 physical connector and the host microcontroller, handling attach detection, cable orientation, role swap, and PD message negotiation so the application processor does not need to bit-bang the PD protocol. Key features of the FUSB302MPX include full USB Type-C CC-line termination and detection, a full-featured PD PHY supporting BMC (Biphase Mark Coding) signaling on the CC line, an I2C slave interface for host control, and integrated VCONN support for powering electronically marked cables. The programmable architecture lets firmware implement sink, source, or dual-role power policies in software. Technically, the device integrates a PD transceiver with BMC encoding/decoding, comparator-based CC voltage monitoring for attach and orientation detection, and register-based configuration accessible over I2C at up to 400 kHz clock rates. The exposed-pad MLP-14 package provides low thermal impedance and short trace lengths, which benefits CC-line signal integrity at BMC data rates. RoHS-compliant, lead-free construction supports modern environmental requirements. Typical applications include USB Type-C power adapters and chargers, smartphone and tablet port controllers, notebook and dock power negotiation, power banks with PD sink input, and monitor or display-port alternate-mode designs. In each case the FUSB302MPX handles CC attach detection and PD contract negotiation while the system MCU manages the actual power conversion stage. A key design consideration: onsemi explicitly recommends the FUSB302BMPX for new designs; the FUSB302B family incorporates updates aligned to later USB-C specification releases, and per onsemi the B version is a drop-in replacement requiring no software optimization. This page adds value beyond the manufacturer datasheet by synthesizing distributor availability, drop-in alternative guidance, design notes, and comparison data in one engineer-oriented reference.
FUSB303TMX - USB Type-C Port Controller I2C 15W | onsemi
The onsemi FUSB303TMX is a fully autonomous USB Type-C port controller with I2C and GPIO control, optimized for 15 W or less applications, housed in a 12-terminal X2QFN (1.6 x 1.6 mm) package. A USB Type-C port controller (also called a Type-C port controller, TCPC, or CC logic IC) manages the Configuration Channel (CC) lines of a USB-C connector. It detects cable attach and detach, determines source/sink role, handles DRP (Dual-Role Port) toggling, and supports accessory and audio/headphone adapter detection. Within the power-management and interface hierarchy of a USB-C system, the port controller sits between the CC pins of the connector and the system host controller (MCU, PMIC, or SoC), offloading connection-state management so the host need not constantly poll the CC lines. Key features include fully autonomous CC logic detection for Source, Sink, DRP, and accessory roles, Dead Battery support as defined by USB-C specifications, and a configurable I2C slave address that allows multiple ports per system to share one I2C bus. GPIO control offers an additional mode for systems without an I2C host. The tiny 1.6 x 1.6 mm 12-X2QFN footprint minimizes PCB area in space-constrained designs. Architecturally, the FUSB303 integrates the CC line comparators, Rp/Rd switches, and state machine needed for autonomous operation, requiring minimal host intervention once configured over I2C. This reduces firmware complexity and lowers overall system power compared with host-managed CC detection schemes. Typical applications include smartphones, tablets, and other battery-powered consumer devices with 15 W or lower USB-C charging; power banks and dock accessories requiring role detection; and embedded systems adding USB-C connectivity where Dead Battery support is mandatory. Design consideration: verify the I2C address configuration of each FUSB303 instance on a shared bus and ensure CC-line routing to the connector is short and matched to maintain detection robustness. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
FUSB340TMX - USB 3.1 10 Gbps 2:1 Data Switch | onsemi
The onsemi FUSB340TMX is a USB 3.1 SuperSpeed 2:1 data switch supporting 5 Gbps and 10 Gbps data rates, housed in an 18-pin TMLP (2x2.8 mm) package. Targeted at the mobile device market, it routes SuperSpeed differential pairs between a USB Type-C receptacle and either an upstream hub or sideband connection, enabling reversible-cable topologies without an extra mux. The device operates across USB SuperSpeed Gen1 (5 Gbps), Gen2 (10 Gbps), PCIe Gen3, SATA, DisplayPort 1.3, and Fibre Channel protocols, making it suitable as a generic 10 Gbps differential switch. A USB 3.1 data switch is a high-speed analog multiplexer that routes SuperSpeed differential pairs (TX/RX) between two physical paths while preserving signal integrity at multi-gigahertz frequencies. As a Type-C accessory switch, it is one of several functional blocks in a USB Type-C implementation: Type-C controller -> high-speed data switch -> SBU/AUX switch -> USB-PD controller. The FUSB340TMX specifically occupies the high-speed data mux role, enabling USB-C reversible-cable operation in phones, tablets, and laptops. Key features include 10 Gbps SuperSpeed Gen2 support, 2:1 switch topology, low insertion loss and return loss over the SuperSpeed frequency range, channel-to-channel skew designed for USB 3.1 compliance, and an operating range suitable for portable and battery-powered designs. The compact 2x2.8 mm TMLP package and minimal external component count simplify PCB layout in space-constrained mobile designs. The FUSB340 uses an adaptive signal-path topology that maintains 50-ohm characteristic impedance in both the active and idle states to minimize reflections. The wide -3 dB bandwidth accommodates PCIe Gen3 (8 Gbps) and DisplayPort 1.3 (8.1 Gbps) RBR/HBR signalling with margin, making the part usable as a generic high-speed differential mux beyond strict USB roles. Typical applications include USB Type-C reversible-cable multiplexers, mobile phone and tablet accessory switches, USB 3.1 Gen2 hub fan-out, notebook sideband routing, and Thunderbolt 3 alternate-mode signal multiplexing. The part is also used in docking stations that share USB SuperSpeed lines between multiple hosts. When designing with the FUSB340TMX, keep the SuperSpeed differential traces length-matched to within 150 mils and route them over a continuous ground reference. Place the decoupling capacitor within 2 mm of the supply pin, and avoid routing any digital control lines directly under the high-speed traces to prevent crosstalk. This page synthesizes distributor pricing, drop-in alternative parts from the same TI and Microchip ecosystems, and practical layout notes that are not present in the manufacturer datasheet.
FXL6408UMX - 8-Bit I2C GPIO Expander 400kHz 16-UMLP | onsemi
The onsemi FXL6408UMX is a fully configurable 8-bit I2C-controlled GPIO expander with a 400 kHz I2C interface, an operating supply range of 1.65 V to 4 V, and a compact 16-pin UMLP package measuring 1.8 x 2.6 mm. It expands a host processor's I/O capability over the industry-standard two-wire I2C serial bus while supporting bidirectional voltage translation between the I2C bus domain and the GPIO pin domain. A GPIO (General Purpose Input/Output) expander is a type of interface IC in the logic family hierarchy that adds digital input and output pins to a microcontroller or baseband processor through a serial bus. Where the host MCU or SoC lacks enough parallel I/O pins, an I2C GPIO expander converts two bus pins (SDA and SCL) into eight additional configurable I/O lines, making it a core building block of system I/O management and power-management-adjacent designs. Key features include input transition monitoring with an interrupt output: when configured in Input Mode, the FXL6408 watches the input ports for data transitions and asserts the /INT pin to signal the baseband or host. Default input values can be programmed independently, allowing customized input detection thresholds. All eight inputs can be configured with internal pull-up or pull-down resistors, pre-biasing the inputs for open-drain or push-pull operation without external components. Technically, the device implements a register-based configuration model in which each pin's direction, polarity, pull resistor, and default state are set through I2C write cycles at up to 400 kHz (Fast-mode). The wide 1.65 V to 4.0 V supply range lets one part interface between low-voltage (1.8 V) processors and legacy 3.3 V peripherals, and the small-footprint UMLP-16 package suits space-constrained portable designs. Typical applications include smartphone and tablet baseband I/O expansion, keyboard and button matrices, LED and backlight status indication, and sensor or peripheral status monitoring in portable and industrial systems where the host MCU lacks spare GPIO. Design consideration: keep the I2C bus within 400 kHz Fast-mode timing and use the programmable pull resistors to avoid external resistor networks; account for the /INT open-drain output requiring a pull-up to the host logic rail. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
GL850G-HHY22 - USB 2.0 4-Port Hub Controller | Genesys Logic
The Genesys Logic GL850G-HHY22 is a USB 2.0 hi-speed hub controller supporting up to 4 downstream ports, 480 Mbps signaling, and 0C to +85C operation, housed in a 28-pin SSOP (SSOP-28) package. It operates from dual supply rails of 4.75V to 5.25V and 3V to 3.6V. A USB 2.0 hub controller is an interface IC that sits between a USB host and one or more downstream USB devices, repeating and managing traffic according to the Universal Serial Bus Specification Revision 2.0. Hub controllers fall within the broader hierarchy of USB interface controllers, peripheral ICs, and semiconductors, and are fundamental building blocks in any system that needs to expand a single USB port into several. The GL850G embeds an 8-bit RISC processor that manages control and status registers and responds directly to requests from the USB host, offloading hub transaction translation from the host CPU. It is Genesys Logic's advanced, cost-optimized hub solution and complies fully with USB Specification Revision 2.0, supporting low-speed (1.5 Mbps), full-speed (12 Mbps), and hi-speed (480 Mbps) devices. Power management supports both Individual and Gang modes across the four downstream ports, with two-color (green/amber) port status indication for LED-based port state feedback. Architecturally, the GL850G inherits Genesys Logic's cost- and power-efficient serial interface design, delivering proven compatibility and a low-power profile compared with competing hub solutions. Its integrated RISC core and minimal external component count help system integrators achieve the lowest possible BOM (Bill of Materials) for motherboards, monitors, docking stations, and standalone USB hubs. Typical applications include standalone multi-port USB hubs, PC motherboard front-panel and rear-panel USB port expansion, monitor and display USB uplink ports, embedded systems, and industrial equipment requiring reliable USB 2.0 port multiplication. For systems requiring higher full/low-speed performance with multiple transaction translators, Genesys Logic offers the GL852G multi-TT hub family. Design considerations: provide clean 3.3V and 5V rails within the specified 4.75V to 5.25V and 3V to 3.6V windows, and observe the 0C to +85C commercial operating range. Proper crystal or oscillator placement and USB differential pair routing (90-ohm matched) are essential for passing USB-IF signal integrity compliance. This page synthesizes distributor pricing (as of 2026-10-19), stock data, family alternatives, and practical design notes not found in the manufacturer datasheet alone.
GX36220-DNT - 2x64Gb/s Linear TIA Die | Renesas | 400G Coherent
The Renesas Electronics GX36220-DNT is a dual 32Gb/s (2x64Gb/s aggregate) linear transimpedance amplifier (TIA) supplied in bare-die form under the DIE SALE (PRICE IN GOOD DIE) wafer program. The GX36220 integrates two independent TIA signal paths for the I and Q channels of 400G coherent Receiver Optical Sub-Assemblies (ROSAs), delivering the linear gain transfer behavior required by modern coherent DSP-based optical receivers. A transimpedance amplifier is a type of current-to-voltage converter that sits directly behind a photodiode in an optical receiver, converting the photodiode's weak photocurrent into a usable differential voltage while adding minimal noise. Within the optical signal chain hierarchy, the TIA is the first gain stage after the photodetector and directly determines receiver sensitivity, overload behavior, and linearity - the latter being essential for coherent systems that rely on DSP equalization rather than hard limiting. Key characteristics include dual-channel integration (I and Q), a 32Gb/s per-channel data rate, and linear (non-limiting) output operation, which preserves signal amplitude information for the downstream coherent DSP. Linear TIAs are critical in coherent optical transceivers where limiting amplifiers would destroy the phase and amplitude modulation content of the received signal. The DNT suffix identifies the die-sale ordering option: parts are sold as known-good die from wafer processing, allowing integration into hermetically sealed or hybrid optical sub-assembly packages, butterfly packages, or custom ROSA modules. This delivery format minimizes package parasitics and supports the compact form factors demanded by 400G and beyond coherent transceiver designs. Typical applications include 400G coherent ROSA I/Q channel amplification, coherent DWDM receiver front ends, telecom datacenter-interconnect optical receivers, and hybrid photonic integrated receiver assemblies. Each 32Gb/s channel handles one quadrature of the coherent signal, so a single GX36220 supports a complete dual-quadrature receiver front end. Design consideration: because this part is supplied as bare die, assembly requires die-attach and wire-bond or flip-chip processes with controlled bond-length inductance; pinout and die mechanical drawings must be taken from the manufacturer datasheet and die-spec documentation before hybrid layout begins. This page synthesizes distributor pricing, availability, die-ordering details, and practical design notes not found in the manufacturer datasheet.
GX76476-DNT - 4x64Gbaud Linear Driver | Renesas Electronics
The Renesas Electronics GX76476-DNT is a low-power, high-performance quad-channel linear differential I/O driver designed for 64 Gbaud per lane operation (4 x 64 Gbaud aggregate) in 400G/600G optical integrated transmitter small form factor (SFF) modules for metro and long-haul applications. Each of the four integrated driver lanes provides a 100 ohm differential AC-coupled input and a 60 ohm output, with on-chip SPI circuitry for DC controls, all integrated on a single die. A linear driver is an analog interface IC that amplifies the modulator drive signal without slicing or retiming, preserving the analog waveform so the optical modulator (typically a silicon photonics Mach-Zehnder or electro-absorption modulator) can produce multi-level signals such as PAM4. Linear drivers sit in the signal chain hierarchy between the DSP serdes output and the modulator, and together with a linear transimpedance amplifier (TIA) on the receive side they form the analog front end of a coherent or PAM4 optical transmission link. Key features of the GX76476 include quad-lane integration that reduces BOM count and footprint versus discrete single-lane drivers, linear (non-limiting) operation enabling multi-level modulation formats, low power consumption per channel, and SPI-programmable DC control parameters for per-channel output amplitude and bias optimization. The 64 Gbaud lane rate supports both 400G (4 x 100G PAM4) and 600G module configurations used in data-center interconnect and telecom metro/long-haul links. Technically, the device integrates four matched driver lanes plus SPI control circuitry on one die, giving excellent channel-to-channel skew and gain matching - critical for PAM4 eye symmetry at 64 Gbaud. The 100 ohm differential AC-coupled input matches the standard serdes output impedance, while the 60 ohm output is designed for the load impedance typical of driving arrangements in integrated coherent transmit (ICT) and integrated transmit subassembly (ITMA) optical architectures. Typical applications include 400G and 600G optical transmitter SFF modules, metro and long-haul coherent optical transceivers, data-center interconnect (DCI) line cards, and pluggable or embedded optical modules using silicon photonics transmitters. A key design consideration is thermal management: four high-speed driver lanes concentrated on a single die dissipate significant heat, so the host module must provide an adequate thermal path from the die/paddle, and SPI-based bias tuning should be performed after thermal characterization. This page synthesizes verified distributor pricing, cross-reference results, and design guidance beyond what the short-form manufacturer datasheet alone provides.
ISD8104RYI - 2W Class AB Audio Amplifier | Nuvoton
The Nuvoton ISD8104RYI is a 2W mono Class AB audio power amplifier IC with differential input pair and chip enable, manufactured by Nuvoton Technology Corporation. The RYI suffix denotes the SOP-8 surface-mount package with exposed thermal pad option family, and the device integrates a single-channel (mono) amplifier output stage in a compact 8-pin footprint. A Class AB audio amplifier is a linear power amplifier topology in which output transistors conduct continuously through the signal cycle, combining the low distortion of Class A designs with the improved efficiency of Class B. Within the power management and audio signal chain hierarchy, it sits downstream of DACs or codec outputs and upstream of the loudspeaker, converting line-level analog signals into speaker-drive-capable power. The ISD8104 belongs to Nuvoton's ISD audio amplifier product line, alongside the ISD8102, which differs by offering an earphone-sense input (SE/Diff) instead of a dedicated differential input pair. Key features include 2W output power at mono Class AB operation, a true differential input pair that rejects common-mode noise picked up on the PCB, and a chip enable (CE) pin that allows the system controller to shut the amplifier down and minimize standby current draw in battery-powered products. The differential input architecture is significant for designs where the amplifier sits far from the signal source, such as alarm panels or appliance panels. The Class AB output stage provides low crossover distortion, important for voice-band announcement and alerting audio where intelligibility matters more than maximum efficiency. Typical applications include doorbell and intercom systems, industrial alarm sounders, small appliance voice prompts, toys, and battery-powered notification devices. When designing with the ISD8104RYI, consult the manufacturer datasheet for gain-setting resistor values, supply voltage limits, and the thermal pad soldering requirements, since power dissipation in a 2W Class AB stage depends strongly on supply voltage and load impedance. This page synthesizes distributor listings, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
ISD9361RI - Serial Voice Record/Playback IC, 64-LQFP | Nuvoton
The Nuvoton Technology ISD9361RI is a serial-interface voice record and playback IC (Message Serial series) supplied in a 64-pin LQFP package measuring 7 x 7 mm, rated for an operating temperature range of -40C to +85C. The device integrates the analog audio front end and message management logic required to record and play back voice messages under serial control from a host microcontroller. A voice record and playback IC is a mixed-signal audio device that converts microphone input into stored digital audio and converts stored digital data back into analog sound using an integrated codec, speaker driver interface, and message indexing engine. Such devices sit within the broader hierarchy of audio codec ICs and human-machine-interface semiconductors, where they offload audio capture and playback tasks from the main processor. Key features of the ISD9361RI include its serial host interface, message-based storage architecture for indexed voice segments, integrated record and playback paths, industrial-grade temperature rating from -40C to +85C, and a compact 7 x 7 mm 64-LQFP surface-mount package that suits dense PCB layouts. The message-serial architecture allows a host controller to address individual voice messages, enabling prompt-driven user interfaces without streaming raw audio data over the bus. Technically, the device combines an analog front end for microphone and line inputs with a digital message-management core, providing self-contained record/playback sequencing. Host controllers issue serial commands to trigger specific messages, simplifying firmware in applications that only need canned announcements or prompt playback. Typical applications include industrial equipment voice annunciators, medical device audible prompts, security and alarm announcement panels, elevator and building-automation voice prompts, and consumer appliance user interfaces. Design consideration: because the ISD9361RI is officially listed as obsolete, new designs should secure long-term stock or plan a successor strategy before committing to this part; verify message storage duration and audio bandwidth against the manufacturer datasheet. This page synthesizes distributor stock data, lifecycle status, and sourcing guidance for an obsolete Nuvoton voice IC - information not consolidated in the manufacturer datasheet.
ISL33001IUZ - I2C Bus Buffer, Hot-Swap 2-Ch | Renesas
The Renesas Electronics ISL33001IUZ is a 2-channel I2C bus buffer with rise-time accelerators and hot-swap capability, extending I2C bus capacitance beyond the 400 pF limit specified by the I2C specification, supplied in an 8-pin MSOP (IUZ) package rated for the industrial -40C to +85C temperature range. An I2C bus buffer (also called a bus repeater or signal buffer) is an interface IC that sits between an I2C controller segment and a heavily loaded peripheral segment. The I2C specification limits total bus capacitance to 400 pF, which restricts the number of devices, trace length, and pull-up resistance a system can support. A bus buffer regenerates the SDA and SCL edges, segmenting the bus so each side only sees its own local capacitance, allowing much larger backplanes, card cages, and cable runs. Key features of the ISL33001 include two independent buffered channels (SDA and SCL), rise-time accelerator circuitry that drives rising edges actively to reduce power dissipated in passive pull-up resistors and enable faster data rates, and integrated hot-swap circuitry that prevents SDA/SCL corruption when a board is inserted into or removed from a live backplane. The device supports standard and fast-mode I2C operation with level-tolerant I/O structure. Architecturally, the buffer uses a dual-direction translator between the controller-side and card-side pins: a low level on either side propagates to the other, while levels are re-driven with controlled rise times. This bidirectional, transparent behavior requires no mode control in typical single-controller systems. The hot-swap input stage holds the local bus pins low or high-impedance during power ramp until VCC stabilizes, avoiding spurious start or stop conditions during card insertion. Typical applications include server and telecom backplanes, I2C fan controllers, optical-module management (SFP/QSFP style management buses), battery-management and hot-pluggable card rails, and long cable runs between chassis in industrial systems. Design consideration: rise-time accelerators pull up only during edges; ensure adequate static pull-up resistance on the far side of the buffer for DC low-level sinks, and keep the EN/enable pin controlled during power sequencing to avoid bus glitches. This page synthesizes distributor pricing, drop-in family alternatives (ISL33002/ISL33003), and practical design notes not found in the manufacturer datasheet.
ISL33002IUZ-T - 2-Ch I2C Bus Buffer Hot-Swap | Renesas
The Renesas Electronics ISL33002IUZ-T is a two-channel bidirectional I2C bus buffer with rise-time accelerators and hot-swap capability, operating from a +2.3V to +5.5V supply at over 400kHz, housed in an 8-lead MSOP package. An I2C bus buffer, also called a bus accelerator or signal repeater, is an interface IC that regenerates the SDA and SCL signals so the total bus capacitance can exceed the 400pF limit defined by the I2C specification. Within the signal-chain hierarchy (buffer -> interface IC -> signal buffer/repeater), bus buffers isolate capacitance on either side of the device, allowing long cables, large backplanes, and high fan-out systems to communicate reliably at standard I2C data rates. Key features include bus capacitance buffering beyond the 400pF I2C maximum, rise-time accelerator circuitry that reduces power consumption otherwise wasted in passive pull-up resistors while improving data-rate performance, hot-swap circuitry that prevents bus corruption during live card insertion, and robust ESD protection of ±6kV Class 3 HBM on all pins, with ±12kV HBM on the SDA/SCL pins. The device supports logic level translation between voltage domains, includes an accelerator disable pin for flexible system control, and provides low quiescent current. Operation over an industrial -40C to +85C temperature range makes the -T (tape-and-reel, industrial temperature grade) variant suitable for factory and telecom equipment. The 8 Ld MSOP occupies only 3mm x 3mm of board area. Typical applications include I2C bus extension across backplanes and racks, hot-swappable line cards, level translation between 1.8V/3.3V/5V domains, and server or networking chassis management buses (such as IPMB-style monitoring). The buffer fits wherever capacitance, cable length, or card insertion would otherwise corrupt I2C signaling. A key design consideration: enable the accelerator circuit only when bus rise times are marginal with the chosen pull-up resistors, since excessive acceleration can cause signal ringing on lightly loaded buses. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.