Slide Switch, SPDT, On-On, Through Hole, OS Series, 100mA # OS102011MS2QN1 ## General Description The OS102011MS2QN1 is a miniature slide switch manufactured by C&K, designed for low-power signal switching and control applications in electronic equipment. The switch features a compact mechanical design, reliable contact performance, and through-hole mounting configuration, making it suitable for embedded systems, industrial controls, instrumentation, telecommunications equipment, consumer electronics, and portable devices. Its robust construction ensures dependable operation throughout repeated switching cycles while maintaining stable electrical performance. The device is commonly utilized for mode selection, power control, configuration settings, and user-interface functions within electronic assemblies. ## Key Features ### Mechanical Characteristics * Miniature slide switch construction * Through-hole PCB mounting * Compact form factor * Durable actuator mechanism * Positive switching action * Designed for repeated mechanical operation ### Switching Characteristics * Maintained-contact operation * Reliable position retention * Low-force actuation * Stable contact engagement * Suitable for signal and control switching applications ### Electrical Characteristics * Low contact resistance * Reliable signal transmission * Stable switching performance * Suitable for low-current and low-voltage circuits * Consistent electrical operation throughout service life ### Contact System * High-reliability contact materials * Corrosion-resistant contact surfaces * Long operational durability * Dependable electrical continuity ### Material Construction * High-strength thermoplastic housing * Industrial-grade metallic contacts * Durable actuator assembly * RoHS-compliant materials ### Environmental Characteristics * Suitable for commercial and industrial electronic equipment * Resistant to mechanical wear * Reliable performance under normal operating environments * Designed for long-term service reliability ### Application Areas * Embedded Systems * Industrial Control Equipment * Consumer Electronics * Test and Measurement Instruments * Communication Devices * Medical Electronics * Power Control Circuits * User Interface Controls * Configuration and Mode Selection Functions * Electronic Development Platforms ### Compliance * RoHS Compliant * Lead-Free Compatible * Industrial-Grade Switching Component ## Manufacturer C&K ## Product Family OS Series Miniature Slide Switches #OS102011MS2QN1 #CKSwitches #SlideSwitch #MiniatureSwitch #ElectronicSwitch #PCBSwitch #EmbeddedSystems #IndustrialElectronics #ControlSystems #ConsumerElectronics #HardwareDesign #ElectronicsEngineering #SignalSwitching #PCBAssembly #ElectronicComponents #commonpartslibrary #switch #slide #spdt

Red, Green, Blue (RGB) 624nm Red, 525nm Green, 470nm Blue LED Indication - Discrete 2V Red, 3.3V Green, 3.3V Blue 4-SMD, No Lead # 150080M153000 ## General Description The 150080M153000 is a compact surface-mount full-color RGB LED manufactured by Würth Elektronik as part of the WL-SFCD series. The device integrates red, green, and blue light-emitting elements within a single package, enabling the generation of a wide spectrum of colors for status indication, user interfaces, backlighting, visual notifications, and decorative lighting applications. Its diffused lens design provides uniform light distribution and wide viewing visibility, making it suitable for industrial equipment, consumer electronics, communication devices, instrumentation systems, control panels, and embedded electronic products. The component is optimized for automated assembly processes and offers reliable optical performance, low power consumption, and long operational life. ## Key Features ### Optical Characteristics * Full-color RGB light output * Integrated red, green, and blue emitters * Diffused lens design for uniform illumination * Wide viewing angle * High-visibility indication capability * Consistent color performance ### Electrical Characteristics * Low-power operation * Stable optical output * Suitable for indicator and backlighting applications * Reliable performance across operating conditions * Optimized for embedded electronic systems ### Mechanical Characteristics * Surface-mount package construction * Compact footprint * Low-profile package design * Compatible with automated assembly processes * Reflow-soldering compatible ### Package Construction * Common-anode configuration * Integrated multi-die LED architecture * Rectangular lens geometry * Lead-free package design * Industrial-grade construction ### Material Characteristics * High-quality encapsulation materials * Diffused optical lens * RoHS-compliant construction * Environmentally compliant materials ### Environmental Characteristics * Suitable for commercial and industrial applications * Long operational service life * Reliable operation under standard environmental conditions * Resistant to normal assembly and handling processes ### Application Areas * Status Indicators * User Interface Displays * Industrial Control Panels * Consumer Electronics * Home Appliances * Telecommunications Equipment * Instrumentation Systems * Backlighting Applications * Smart Devices * Embedded Electronic Products * Safety and Security Equipment * Human-Machine Interface Systems ### Compliance * RoHS Compliant * REACH Compliant * Lead-Free Compatible * Industry-Standard Surface-Mount Technology ## Manufacturer Würth Elektronik ## Product Family WL-SFCD SMD Full-Color Chip LED Series #150080M153000 #WurthElektronik #RGBLED #SMDLED #WLSFCD #FullColorLED #LEDIndicator #Backlighting #Optoelectronics #EmbeddedSystems #IndustrialElectronics #ConsumerElectronics #PCBDesign #ElectronicsEngineering #SMTAssembly #commonpartslibrary #optoelectronic #ledindication

CH32V003 is an industrial-grade microcontroller with a 48MHz main frequency, low power consumption, small size, and built-in DMA controllers, ADC, timers, and communication interfaces. #RISC-V #IoT #MCU

Accelerometer X, Y, Z Axis ±2g, 4g, 8g 1.5kHz 14-CLCC (6x6) General Description The ADXL355BEZ is a low noise, low drift, low power, three-axis MEMS accelerometer intended for high-precision sensing applications. It delivers high-resolution digital acceleration data with excellent long-term stability and minimal temperature-induced variation. The device integrates a complete sensing chain, including the MEMS sensor element, analog conditioning, analog-to-digital conversion, and digital filtering. Output data is provided through SPI or I²C interfaces, enabling straightforward integration into embedded and industrial systems. Key Features Three-axis acceleration sensing (X, Y, Z) Selectable full-scale ranges: ±2 g, ±4 g, ±8 g Low noise density (~25 µg/√Hz) Low offset and minimal temperature drift High-resolution 20-bit digital output Integrated digital filtering SPI and I²C communication interfaces Low power consumption (~200 µA typical) Wide supply voltage range (2.25 V to 3.6 V) Integrated temperature sensor Hermetically sealed package Applications Structural health monitoring Vibration measurement and analysis Tilt and inclination sensing Industrial condition monitoring Navigation and inertial systems Seismic detection Robotics and stabilization platforms Functional Description The ADXL355BEZ includes an integrated sensing and processing architecture composed of: Three-axis MEMS sensing element Analog front-end signal conditioning High-resolution ADC Digital filtering and decimation stages Temperature sensing element Digital communication interface (SPI/I²C) Configuration and control registers Electrical Characteristics (Typical) Supply voltage: 2.25 V to 3.6 V Supply current: ~200 µA Output data rate: up to 4 kHz Noise density: ~25 µg/√Hz Resolution: 20-bit Interface: SPI / I²C Mechanical and Package Information Package type: LGA (Land Grid Array) Approximate dimensions: 3 mm × 5 mm × 1 mm Hermetically sealed for improved environmental robustness Interface and Communication Supports SPI (4-wire) and I²C protocols Outputs 20-bit acceleration data per axis Data format: two’s complement Measurement Ranges ±2 g ±4 g ±8 g Environmental Specifications Operating temperature range: -40°C to +125°C Storage temperature range: -55°C to +150°C Power Management Supports measurement and standby modes Designed for low-power operation in continuous sensing applications Compliance and Reliability Industrial-grade device Designed for long-term stability RoHS compliant #commonpartslibrary #sensor #accelerometer

Connector Header Through Hole 18 position 0.100" (2.54mm) # TSW-118-07-G-S ## General Description The TSW-118-07-G-S is a through-hole board-to-board and wire-to-board interconnect header manufactured by Samtec. It belongs to the TSW series of standard terminal strip headers designed for reliable signal transmission in electronic assemblies, embedded systems, industrial controls, telecommunications equipment, instrumentation, and general-purpose printed circuit board applications. The component features precision-machined contacts, robust mechanical construction, and compatibility with a wide range of mating connectors. Its design supports secure electrical connections while maintaining excellent durability during repeated mating cycles and long-term operation in demanding environments. ## Key Features ### Mechanical Characteristics * Through-hole mounting configuration * Single-row terminal strip header design * Straight vertical orientation * Precision-machined contact system * High-reliability board-level interconnection ### Contact System * Gold-plated contact surface * Enhanced conductivity and signal integrity * Corrosion-resistant contact finish * Suitable for repeated insertion and removal cycles ### Electrical Characteristics * Low contact resistance * Reliable signal transmission * Suitable for low-power and signal-level applications * Stable electrical performance across operating conditions ### Material Construction * High-temperature thermoplastic insulator * Durable metallic contact structure * RoHS-compliant materials * Lead-free manufacturing compatibility ### Environmental Characteristics * Industrial-grade operating capability * Resistant to mechanical wear during mating cycles * Suitable for automated and manual assembly processes ### Application Areas * Embedded Systems * Microcontroller Development Boards * Industrial Automation Equipment * Telecommunications Hardware * Test and Measurement Instruments * Medical Electronics * Data Acquisition Systems * Prototyping Platforms * Consumer Electronic Devices * PCB Interconnection Applications ### Compliance * RoHS Compliant * Lead-Free Compatible * Industry-standard connector footprint ## Manufacturer Samtec Inc. ## Product Family TSW Series Terminal Strip Headers #Samtec #TSW11807GS #TerminalStripHeader #PCBConnector #BoardToBoardConnector #WireToBoardConnector #ElectronicsComponents #EmbeddedSystems #IndustrialElectronics #InterconnectSolutions #ThroughHoleConnector #ElectronicDesign #HardwareEngineering #PCBAssembly #CommonPartsLibrary #Connector #Header #TSW pin header 1x18 2.54mm

ARM® Cortex®-M33 STM32H5 Microcontroller IC 32-Bit 250MHz 2MB (2M x 8) FLASH 144-LQFP (20x20) # STM32H573ZIT6 ## General Description The STM32H573ZIT6 is a high-performance microcontroller from STMicroelectronics based on the Arm Cortex-M33 core. It is designed to deliver advanced processing capability, enhanced security, and extensive peripheral integration for industrial, medical, consumer, communications, and embedded control applications. The device combines powerful computational performance with low-power operation, making it suitable for real-time control, edge computing, human-machine interfaces, industrial automation, IoT gateways, motor control systems, and secure connected devices. Integrated security features, high-speed memory architecture, and comprehensive communication interfaces enable the development of robust and scalable embedded solutions. ## Key Features ### Processing Architecture * Arm Cortex-M33 processor core * TrustZone security architecture * Digital signal processing capabilities * Floating-point computation support * Optimized real-time processing performance ### Memory Resources * Embedded Flash memory * Integrated SRAM architecture * Error correction capability for enhanced reliability * High-speed memory access structure ### Security Features * Secure boot functionality * Hardware cryptographic accelerators * Secure firmware update support * Memory protection mechanisms * Tamper detection capabilities * Trusted execution environment * Secure key management support ### Communication Interfaces * USART and UART communication interfaces * SPI serial communication interfaces * I²C communication interfaces * CAN FD connectivity * USB connectivity support * Ethernet interface capability * SDMMC memory card interface * Flexible external communication options ### Analog Features * High-performance analog-to-digital conversion * Digital-to-analog conversion capability * Analog comparators * Precision signal acquisition support ### Timer and Control Functions * Advanced control timers * General-purpose timers * PWM generation capability * Encoder interface support * Motor-control functionality * Real-time clock integration ### Power Characteristics * Low-power operating modes * Dynamic power optimization * Battery-powered application support * Efficient performance-to-power ratio ### Package Characteristics * LQFP package construction * Surface-mount technology compatibility * Industrial-grade mechanical design * Suitable for automated assembly processes ### Application Areas * Industrial Automation Systems * Motor Control Equipment * Human-Machine Interfaces * Smart Energy Systems * Medical Electronics * IoT Gateways * Secure Embedded Devices * Industrial Networking Equipment * Building Automation Systems * Consumer Electronics * Data Acquisition Systems * Edge Computing Applications ### Compliance * RoHS Compliant * Lead-Free Compatible * Industrial and Commercial Application Support ## Manufacturer STMicroelectronics ## Product Family STM32H5 Series High-Performance Microcontrollers #STM32H573ZIT6 #STM32H5 #STMicroelectronics #CortexM33 #Microcontroller #EmbeddedSystems #IndustrialAutomation #SecureMCU #IoT #EdgeComputing #MotorControl #EmbeddedDesign #ElectronicsEngineering #FirmwareDevelopment #IndustrialElectronics

2 Position Wire to Board Terminal Block Horizontal with Board 0.375" (9.53mm) Through Hole # 1714971 ## General Description The 1714971 is a high-current printed circuit board terminal block manufactured by Phoenix Contact and designed for secure power and signal connections in industrial and commercial electronic equipment. The component utilizes a screw-clamp termination mechanism that provides reliable wire retention, low contact resistance, and long-term electrical stability. Its robust construction and through-hole mounting design make it suitable for applications requiring dependable field wiring, high-current handling capability, and resistance to mechanical stress. The terminal block is commonly used in power supplies, industrial automation systems, motor controllers, battery management systems, energy distribution equipment, instrumentation, and other applications requiring secure PCB-mounted power connections. ## Key Features ### Mechanical Characteristics * Through-hole PCB mounting * Screw-clamp wire termination * Side-entry wire connection * High-strength housing construction * Secure field-wire installation * Designed for repeated maintenance and servicing operations ### Electrical Characteristics * High-current carrying capability * Low contact resistance * Reliable electrical conductivity * Stable performance under demanding operating conditions * Suitable for power distribution and control applications ### Contact System * Corrosion-resistant conductive contacts * Screw-actuated clamping mechanism * Secure conductor retention * Reliable electrical connection during vibration and mechanical stress ### Material Construction * Industrial-grade thermoplastic housing * High-conductivity metal contacts * Flame-resistant insulation materials * RoHS-compliant construction ### Environmental Characteristics * Suitable for industrial environments * Resistant to mechanical wear * Durable under continuous operation * Designed for long service life ### Application Areas * Industrial Automation Equipment * Power Supply Systems * Motor Control Circuits * Battery Management Systems * Renewable Energy Equipment * Electrical Distribution Panels * Instrumentation Systems * Process Control Equipment * Embedded Power Electronics * Industrial Control Systems ### Compliance * RoHS Compliant * Lead-Free Compatible * Industrial-Grade PCB Interconnect Solution ## Manufacturer Phoenix Contact ## Product Family COMBICON PCB Terminal Blocks #PhoenixContact #1714971 #COMBICON #TerminalBlock #PCBTerminalBlock #ScrewTerminal #PowerConnector #IndustrialElectronics #PowerDistribution #IndustrialAutomation #EmbeddedSystems #ControlSystems #ElectronicsDesign #PCBAssembly #ElectricalEngineering

CH32V003 series is an industrial-grade general-purpose microcontroller designed based on QingKe RISC-V2A core, which supports 48MHz system main frequency in the product function. The series features wide voltage, single-wire serial debug interface, low-power consumption and ultra-small package. It provides commonly used peripheral functions, built-in 1 group of DMA controller, 1 group of 10-bit analog-to-digital conversion ADC, 1 group of op-amp comparator, multiple timers, standard communication interfaces such as USART, I2C, SPI, etc. The rated operating voltage of the product is 3.3V or 5V, and the operating temperature range is -40℃～85℃ industrial- grade. #CommonPartsLibrary #Microcontroller #CH32V003F4U6

CH32V003 series is an industrial-grade general-purpose microcontroller designed based on QingKe RISC-V2A core, which supports 48MHz system main frequency in the product function. The series features wide voltage, single-wire serial debug interface, low-power consumption and ultra-small package. It provides commonly used peripheral functions, built-in 1 group of DMA controller, 1 group of 10-bit analog-to-digital conversion ADC, 1 group of op-amp comparator, multiple timers, standard communication interfaces such as USART, I2C, SPI, etc. The rated operating voltage of the product is 3.3V or 5V, and the operating temperature range is -40℃～85℃ industrial- grade. #CommonPartsLibrary #Microcontroller #CH32V003F4P6.

CH32V003 series is an industrial-grade general-purpose microcontroller designed based on QingKe RISC-V2A core, which supports 48MHz system main frequency in the product function. The series features wide voltage, single-wire serial debug interface, low-power consumption and ultra-small package. It provides commonly used peripheral functions, built-in 1 group of DMA controller, 1 group of 10-bit analog-to-digital conversion ADC, 1 group of op-amp comparator, multiple timers, standard communication interfaces such as USART, I2C, SPI, etc. The rated operating voltage of the product is 3.3V or 5V, and the operating temperature range is -40℃～85℃ industrial- grade. #CommonPartsLibrary #Microcontroller #CH32V003A4M6

USB Controller USB 2.0 I2C Interface 24-QFN (4x4) The STUSB4500QTR is a standalone USB Type-C Power Delivery (PD) controller from STMicroelectronics designed for power sink applications (devices that receive power, like chargers, IoT devices, or battery-powered systems). It enables automatic negotiation of USB Power Delivery contracts (up to 100 W: 20 V / 5 A) without requiring an external microcontroller, thanks to its built-in auto-run algorithm. Power profiles (PDOs) can be pre-configured and stored in internal non-volatile memory, simplifying system design and reducing component count. The device is optimized for modern USB-C designs, offering robust protection, high-voltage tolerance, and support for operation even from a dead battery state. Key Features Power Delivery & Control Standalone USB Type-C™ and USB PD sink controller Supports up to 100 W (20 V, 5 A) power negotiation Auto-run mode (no MCU required) for PD negotiation Up to 3 configurable sink PDO profiles stored in NVM Power Management Dead battery mode support (can start with no battery power) Dual power supply inputs: V_SYS: 3.0 V – 5.5 V V_DD: 4.1 V – 22 V Integrated VBUS monitoring and control Integrated Functions Built-in VBUS switch gate drivers (PMOS) Internal/external VBUS discharge paths I²C interface for configuration and monitoring Protection & Reliability Short-to-VBUS protection on CC pins (up to 22 V) High-voltage tolerance: Up to 28 V on VBUS pins ESD protection: 3 kV HBM / 1.5 kV CDM Physical & Environmental Package: QFN-24 (4×4 mm) Operating temperature: –40°C to +105°C Industrial-grade reliability Compliance & Compatibility Certified for: USB Type-C Rev 1.2 USB PD Rev 2.0 Interoperable with USB PD 3.0 #commonpartslibrary #integratedcircuit #usbcontroller

The CH32V203 is an industrial-grade enhanced low-power general-purpose MCU based on 32-bit RISC-V core. RISC-V WCH MCU TSSOP*4.4x6.5mm*P0.65mm*

USB-C (USB TYPE-C) USB 2.0 Receptacle Connector 24 (16+8 Dummy) Position Through Hole, Right Angle The USB4085-GF-A is a USB Type-C receptacle connector designed for compact embedded and consumer electronic applications requiring USB connectivity and power delivery support. It provides a reversible plug interface compliant with USB Type-C mechanical specifications and is commonly used in portable devices, development platforms, industrial electronics, and power-enabled USB systems. This connector supports USB data communication and power connections through a surface-mount design optimized for automated PCB assembly. The device includes integrated through-hole shell stakes for enhanced mechanical retention and durability under repeated insertion cycles. Its compact footprint and standardized pin arrangement enable compatibility with modern USB Type-C implementations while maintaining reliable electrical and mechanical performance. The USB4085-GF-A is suitable for USB charging, data transfer, embedded systems, battery-powered devices, and general-purpose USB Type-C interface applications. Engineering Specification Connector Type USB Type-C Receptacle Connector USB Interface Standard USB Type-C compliant receptacle Mounting Style Surface-mount technology with through-hole shell retention tabs Contact Configuration Dual-row reversible USB Type-C contact arrangement Number of Contacts Twenty-four signal and power contacts Orientation Right-angle PCB mount Data Support USB data communication support compatible with USB Type-C applications Power Capability Supports USB power and charging applications Shielding Integrated metal shell shielding for EMI reduction and mechanical protection Mechanical Retention Reinforced through-hole shell stakes for connector stability and insertion durability Contact Material Copper alloy contacts with plated finish for conductivity and corrosion resistance Housing Material High-temperature thermoplastic suitable for reflow soldering Operating Temperature Range Industrial-grade operating temperature capability suitable for embedded electronic systems Assembly Compatibility Compatible with automated SMT reflow assembly processes Application Areas Portable electronics, embedded systems, industrial controllers, development boards, battery-powered devices, USB charging interfaces, and communication equipment #commonpartslibrary #connector #usbtypec #interface #powermanagement #embeddedhardware #electronics #usbconnector

Accelerometer X, Y, Z Axis ±2g, 4g, 8g, 16g 0.5Hz ~ 625Hz 16-LGA (3x3) # LIS3DHTR ## General Description The LIS3DHTR is an ultra-low-power three-axis digital accelerometer manufactured by STMicroelectronics. It is designed to provide accurate motion, orientation, tilt, vibration, and acceleration sensing for a wide range of embedded and portable electronic applications. The device integrates advanced MEMS sensor technology, configurable measurement ranges, embedded motion-detection functions, and digital communication interfaces within a compact surface-mount package. Its low power consumption and high measurement accuracy make it suitable for wearable devices, industrial monitoring systems, asset tracking equipment, smart sensors, consumer electronics, medical devices, Internet of Things products, and battery-powered embedded systems. ## Key Features ### Sensor Architecture * Three-axis digital accelerometer * MEMS sensing technology * High-resolution motion measurement * Multi-axis acceleration detection * Real-time movement monitoring * Precision orientation sensing ### Measurement Capabilities * Motion detection functionality * Tilt sensing capability * Free-fall detection support * Vibration monitoring * Orientation recognition * Impact and shock detection * Activity and inactivity monitoring ### Electrical Characteristics * Ultra-low-power operation * Low current consumption * High measurement stability * Fast response capability * Reliable sensor performance * Optimized for battery-powered systems ### Embedded Processing Features * Integrated interrupt generation * Event detection capability * Motion recognition support * Threshold-based monitoring * Embedded motion-processing functions * Autonomous event reporting ### Communication Interfaces * SPI digital communication interface * I²C digital communication interface * Easy microcontroller integration * Reliable data transfer capability * Flexible system connectivity ### Package Characteristics * Compact surface-mount package * Low-profile design * Automated assembly compatible * High-density PCB layout support * Suitable for space-constrained applications ### Material Construction * Advanced MEMS sensor technology * High-reliability semiconductor integration * RoHS-compliant materials * Lead-free package construction * Industrial-grade manufacturing quality ### Environmental Characteristics * Long operational service life * Reliable operation under industrial conditions * Stable sensor performance over time * Resistant to mechanical stress and vibration * Suitable for continuous monitoring applications ### Application Areas * Wearable Electronics * Internet of Things Devices * Smart Sensors * Asset Tracking Systems * Industrial Monitoring Equipment * Consumer Electronics * Medical Devices * Portable Electronics * Motion Detection Systems * Vibration Monitoring Equipment * Fitness and Activity Tracking Devices * Embedded Control Systems ### Compliance * RoHS Compliant * Lead-Free Compatible * Industrial-Grade MEMS Motion Sensor Solution ## Manufacturer STMicroelectronics ## Product Family LIS3DH Three-Axis Digital Accelerometer Series #LIS3DHTR #STMicroelectronics #Accelerometer #MEMSSensor #MotionSensor #ThreeAxisAccelerometer #IoT #WearableDevices #EmbeddedSystems #IndustrialMonitoring #AssetTracking #VibrationMonitoring #ConsumerElectronics #ElectronicsEngineering #SensorTechnology

Ethernet Controller 10/100 Base-T/TX Bus Interface 80-TQFP-EP (12x12) The LAN9254-I/JRX is an EtherCAT SubDevice (slave) controller developed by Microchip Technology, designed to serve as the communication backbone for industrial automation devices participating in an EtherCAT network. The device integrates dual Ethernet physical layer transceivers directly on-chip, eliminating the need for external PHY components and simplifying the design of EtherCAT-enabled equipment such as servo drives, sensors, I/O modules, and other field devices used in real-time industrial control systems. Architecturally, the controller can operate as either a two-port or three-port node, depending on the network topology required. In its standard configuration it functions as a two-port device supporting daisy-chain connections typical of EtherCAT line topologies. When configured as a three-port device, it gains an additional management interface port that can connect to an external PHY or to another LAN9254, enabling star or tree network topologies and allowing the device to act as a branching point within a larger EtherCAT installation. Each integrated Ethernet PHY operates in full-duplex mode and supports automatic crossover detection, so the device can use either straight-through or crossover cabling without requiring manual configuration. Beyond pure protocol handling, the LAN9254 includes a substantial set of general-purpose digital input and output lines, allowing it to be used in simple field devices without requiring a separate microcontroller. For more complex applications, the device communicates with an external host processor through an integrated host bus interface that behaves like simple memory-mapped SRAM, supporting both 8-bit and 16-bit data widths along with multiple byte-ordering conventions, which makes it straightforward to interface with a wide range of microcontroller and microprocessor architectures. Internally, dual process data RAM buffers manage the exchange of real-time process data between the host application and the EtherCAT communication engine, while a dedicated interrupt line notifies the host of relevant internal events. A key feature of the device is its built-in distributed clock mechanism, which provides high-precision timing synchronization across all nodes in an EtherCAT network. This capability is essential for motion control and other applications where multiple devices must act in tight temporal coordination. The controller also provides configurable status indication through standard network activity and link LEDs, along with optional error and run-state indicators that give visibility into the health and operational state of the device at a glance. Power architecture on the LAN9254 is simplified through an integrated linear regulator, allowing the device to be operated from a single primary supply rail while internally generating the lower voltage needed for its core logic. This reduces the external power supply complexity that would otherwise be required to support separate core and I/O voltage domains. The "-I" designation on this particular part number indicates an industrial-grade temperature rating, making it suitable for deployment in factory floor and other demanding industrial environments where extended thermal range and long-term reliability are required. The device is housed in a surface-mount package consistent with dense industrial control board layouts and is compliant with RoHS material restrictions. Spec Sheet Identification Part Number: LAN9254-I/JRX Device Family: LAN9254 Manufacturer: Microchip Technology Functional Classification Device Type: EtherCAT SubDevice (slave) controller Network Role: Two/three-port configurable node Integrated PHYs: Dual Ethernet physical layer transceivers, on-chip Auto-MDIX Support: Yes, supports direct and crossover cabling Communication & Protocol Features Protocol: EtherCAT Topology Support: Daisy-chain (line), star, and tree topologies Additional Port Mode: Optional third port for branching/tap configurations Clock Synchronization: Integrated distributed clock for high-precision timing Host Interface Interface Type: SRAM-like host bus interface Data Width Support: Selectable bit-width host bus operation Endianness Support: Multiple byte-ordering modes Process Data Handling: Dual process data RAM buffers Interrupt Support: Configurable host interrupt line Digital I/O General-Purpose I/O: Integrated digital I/O lines for microcontroller-less operation Standalone Mode: Supports operation without external microcontroller for simple device designs Power Architecture Supply Configuration: Single primary supply rail Internal Regulation: Integrated linear regulator for core voltage generation Status Indication LED Support: Standard run and link/activity indicators per port Optional Indicators: Configurable error and run-state status indicators Environmental & Qualification Temperature Grade: Industrial ("-I" suffix) RoHS Compliance: Yes Package Package Type: Surface-mount, quad flat package style Mounting: Surface mount technology (SMT) Packaging Format Supply Format: Tape-and-reel, per part suffix designation #LAN9254 #Microchip #EtherCAT #SlaveController #SubDeviceController #IndustrialEthernet #IndustrialAutomation #MotionControl #EmbeddedSystems #FieldDevice #DigitalIO #HostBusInterface #DistributedClock #TQFP #RoHSCompliant #IndustrialGrade #EngineeringSpec #ComponentLibrary #CommonPartsLibrary #SemiconductorIC