Oscillators

24 MHz ±20ppm Crystal 18pF 60 Ohms 4-SMD, No Lead The ABM8G-24.000MHZ-18-D2Y-T is a compact 24.000 MHz surface-mount quartz crystal from Abracon's ABM8G series, designed to provide a stable and accurate clock reference for digital electronic systems. Housed in a miniature 3.2 × 2.5 mm, 4-pad SMD package, it is optimized for space-constrained applications while delivering reliable frequency performance over a wide operating temperature range. This crystal is commonly used in microcontrollers, wireless modules, communication equipment, networking devices, industrial electronics, and precision timing circuits. It operates in the fundamental mode with an 18 pF load capacitance, making it suitable for a broad range of oscillator circuits. Key Features 24.000 MHz fundamental-mode quartz crystal Compact 3.2 × 2.5 × 1.0 mm 4-pad SMD package 18 pF load capacitance ±20 ppm frequency tolerance ±30 ppm frequency stability Maximum 60 Ω ESR Wide operating temperature range: −40°C to +85°C Glass-sealed ceramic package for high reliability Compatible with standard IR reflow soldering processes Low-profile design suitable for compact PCB layouts Ideal for embedded systems, communications, wireless devices, and clock generation applications. #Abracon #QuartzCrystal #24MHz #ABM8G #SMDCrystal #TimingDevice #ClockSource #EmbeddedSystems #WirelessElectronics #IndustrialElectronics #PCBDesign #ElectronicsComponents

1.8432 MHz XO (Standard) TTL Oscillator 5V 14-DIP, 4 Leads (Full Size, Metal Can) 1.8432 MHz 5V DIP-4 oscillator The ECS-100AX-018 is a 1.8432 MHz crystal-based TTL clock oscillator from ECS Inc. designed to provide a stable and accurate clock source for digital systems. It operates from a 5 V supply and delivers a TTL-compatible output, making it suitable for microprocessors, microcontrollers, UART/serial communication circuits, industrial controllers, and legacy digital logic applications. The device is housed in a 14-pin DIP metal can package (4 active leads) for through-hole PCB mounting. Key Features 1.8432 MHz fixed output frequency Crystal-based XO (Crystal Oscillator) architecture 5 V supply voltage TTL-compatible output Frequency stability of ±100 ppm Low maximum supply current of 15 mA Through-hole 14-DIP (4-lead metal can) package Operating temperature range: 0°C to +70°C Suitable for clock generation in digital and communication systems RoHS compliant #ECSInc #ClockOscillator #CrystalOscillator #TTL #1_8432MHz #5V #ThroughHole #DIP14 #TimingDevice #DigitalClock #EmbeddedSystems #IndustrialElectronics #PCBDesign

The CH9102X is a high-speed USB-to-UART bridge IC developed by WCH (Jiangsu Qinheng Microelectronics). It enables seamless communication between a USB host and UART-based embedded systems, making it ideal for programming, debugging, firmware updates, and serial data communication. The device integrates a USB 2.0 Full-Speed interface, an internal clock, power-on reset, and firmware, eliminating the need for an external crystal oscillator. The CH9102X variant supports 3.3 V UART I/O and is widely used on development boards such as ESP32 and other MCU-based designs. Key Features USB 2.0 Full-Speed (12 Mbps) compliant device interface USB-to-UART bridge supporting baud rates from 50 bps to 4 Mbps 3.3 V UART I/O (CH9102X variant) Integrated clock oscillator (no external crystal required) Built-in power-on reset circuit Hardware full-duplex UART with independent TX/RX buffers Supports 5, 6, 7, or 8 data bits Supports None, Odd, Even, Mark, and Space parity Supports RTS/CTS hardware flow control Supports MODEM signals: RTS, CTS, DTR, DSR, DCD, and RI TNOW output for automatic RS-485 transmit/receive control Compatible with built-in CDC drivers and vendor VCP drivers on major operating systems Available in compact RoHS-compliant QFN packages #CH9102X #USBtoUART #USBBridge #UART #SerialConverter #WCH #USB20 #EmbeddedSystems #ESP32 #MCU #RS485 #FirmwareUpdate #Debugging #IoT #PCBDesign

32.768 kHz ±20ppm Crystal 9pF 70 kOhms 2-SMD, No Lead The XTL721-S999-301 specification defines the engineering requirements for a crystal oscillator component intended to provide a stable and accurate timing reference for electronic systems. This specification establishes the functional, electrical, mechanical, environmental, and quality requirements necessary to ensure precise frequency generation, reliable operation, and long-term stability in embedded, industrial, communication, and consumer electronic applications. The component is intended for use in applications requiring accurate clock generation and synchronization, including microcontroller-based systems, communication interfaces, digital signal processing, and timing circuits. It provides a highly stable frequency reference with low phase noise and excellent frequency stability to support reliable system operation under varying environmental conditions. Engineering Requirements The crystal component shall be manufactured using high-purity quartz material and precision fabrication processes to ensure consistent resonant frequency characteristics, low aging effects, and dependable long-term performance. The construction shall provide stable oscillation characteristics throughout the specified operating temperature and environmental conditions. Electrical characteristics shall ensure accurate frequency stability, low equivalent series resistance, and reliable oscillation startup when used with compatible oscillator circuits. The component shall maintain stable timing performance under normal supply variations, temperature fluctuations, and continuous operating conditions. Mechanical construction shall be suitable for automated surface-mount assembly and compatible with standard solder reflow manufacturing processes. The package shall provide mechanical robustness and resistance to vibration, mechanical shock, thermal cycling, and handling without degradation of electrical performance or structural integrity. Workmanship shall be free from defects including contamination, package cracking, seal failure, lead deformation, or structural inconsistencies that could adversely affect frequency accuracy or operational reliability. Inspection, validation, and testing shall be performed using calibrated equipment and controlled quality procedures to verify compliance with engineering and manufacturing requirements. Any deviation from this specification shall require formal engineering evaluation, documented technical justification, and approval through the established engineering change control process before implementation. Documentation Supporting documentation shall include engineering drawings, frequency performance specifications, electrical characterization reports, qualification records, inspection reports, reliability data, material declarations, and revision-controlled manufacturing documentation. All documentation shall be maintained under formal configuration management and quality assurance systems to ensure complete product traceability. Revision Control Any modification to this specification shall be managed through the formal engineering change management process. All revisions shall undergo technical review, validation, and approval before release to ensure continued compliance with design intent and applicable engineering standards. #EngineeringSpecification #CrystalOscillator #QuartzCrystal #TimingDevice #ClockGenerator #EmbeddedSystems #IndustrialElectronics #FrequencyControl #QualityAssurance #EngineeringDocumentation

ARM® Cortex®-M0+ MSPM0 C Microcontroller IC 32-Bit 24MHz 16KB (16K x 8) FLASH 8-DSBGA (0.86x1.6) MSPM0C110x microcontrollers (MCUs) are part of the MSP highly-integrated ultra-low-power 32-bit MCU family based on the enhanced Arm® Cortex®-M0+ core platform operating at up to 24MHz frequency. These costoptimized MCUs offer high-performance analog peripheral integration, support extended temperature ranges from -40°C to 125°C, and operate with supply voltages from 1.62V to 3.6V. The MSPM0C110x devices provide up to 16KB embedded flash program memory with 1KB SRAM. These MCUs incorporate a high-speed on-chip oscillator with an accuracy from -2% to +1.2%, eliminating the need for an external crystal. Additional features include a 1-channel DMA, CRC-16 accelerator, and a variety of highperformance analog peripherals such as one 12-bit 1.5Msps ADC with VDD as the voltage reference, and an on-chip temperature sensor. These devices also offer intelligent digital peripherals such as one 16-bit advanced timer, two 16-bit general purpose timer, one windowed watchdog timer, and a variety of communication peripherals including one UART, one SPI, and one I2C. These communication peripherals offer protocol support for LIN, IrDA, DALI, Manchester, smart card, SMBus, and PMBus. The TI MSPM0 family of low-power MCUs consists of devices with varying degrees of analog and digital integration let customers find the MCU that meets their project needs. The architecture combined with extensive low-power modes is optimized to achieve extended battery life in portable measurement applications. MSPM0C110x MCUs are supported by an extensive hardware and software ecosystem with reference designs and code examples to get the design started quickly. Development kits include a LaunchPad™ kit available for purchase and design files for a target-socket board. TI also provides a free MSP Software Development Kit (SDK), which is available as a component of Code Composer Studio™ IDE desktop and cloud version within the TI Resource Explorer. MSPM0 MCUs are also supported by extensive online collateral, training with MSP Academy, and online support through the TI E2E™ support forums. Features • Core – Arm® 32-bit Cortex®-M0+ CPU, frequency up to 24MHz • Operating characteristics – Extended temperature: –40°C to 125°C – Wide supply voltage range: 1.62V to 3.6V • Memories – Up to 16KB of flash – 1KB of SRAM • High-performance analog peripherals – One analog-to-digital converter (ADC) with up to 10 total external channels, 1.7Msps at 10 bit or 1.5Msps at 12 bit with VDD as the voltage reference – Configurable 1.4V or 2.5V internal ADC voltage reference (VREF) – Integrated temperature sensor – Integrated supply monitor • Optimized low-power modes – RUN: 87µA/MHz – STOP: 609µA at 4MHz, 311µA at 32kHz – STANDBY: 5µA with SRAM retention – SHUTDOWN: 200nA • Intelligent digital peripherals – 1-channel DMA controller dedicated for ADC – Three timers supporting up to 14 PWM channels • One 16-bit advanced timers with deadband support up to 8 PWM channels • One 16-bit general purpose timer with 4 capture/compares • One 16-bit general purpose timer with 2 capture/compares – Windowed watchdog timer – BEEPER generating 1kHz, 2kHz, 4kHz, or 8kHz square wave to drive the external beeper • Enhanced communication interfaces – One UART interface supporting LIN, IrDA, DALI, smart card, Manchester and low-power operation in STANDBY mode – One I2C interface supporting FM+ (1Mbps), SMBus, PMBus, and wakeup from STOP mode – One SPI supporting up to 12Mbps • Clock system – Internal 24MHz oscillator with an accuracy from -2% to +1.2% (SYSOSC) – Internal 32kHz low-frequency oscillator (LFOSC) • Data integrity – Cyclic redundancy checker (CRC-16) • Flexible I/O features – Up to 18 GPIOs – Two 5V-tolerant open-drain IOs • Development support – 2-pin serial wire debug (SWD) • Package options – 20-pin TSSOP (PW) – 20-pin VSSOP (DGS) – 20-pin WQFN (RUK) – 16-pin SOT (DYY) – 8-pin SOT (DDF) – 8-pin WSON (DSG) – 8-pin DSBGA (YCJ) • Family members (also see Device Comparison) – MSPS003F4: 16KB of flash, 1KB of RAM – MSPS003F3: 8KB of flash, 1KB of RAM – MSPM0C1104: 16KB of flash, 1KB of RAM – MSPM0C1103: 8KB of flash, 1KB of RAM • Development kits and software (also see Tools and Software) – LP-MSPM0C1104 LaunchPad™ development kit – MSP Software Development Kit (SDK) 2 Applications • Battery charging and management • Power supplies and power delivery • Personal electronics • Building security and fire safety • Connected peripherals and printers • Grid infrastructure • Smart metering • Communication modules • Medical and healthcare • Lighting #MSPM0C1104S8YCJR #MSPM0C1104 #TexasInstruments #CortexM0Plus #Microcontroller #EmbeddedSystems #LowPowerMCU #IoT #WearableDevices #IndustrialControl #ConsumerElectronics #ADC #UART #SPI #I2C #PWM #TI #ElectronicsDesign #PCBDesign #EmbeddedDevelopment

2A 150KHz 40V Buck DC to DC Converter The XL1509-5.0E1 is a fixed frequency PWM buck step-down DC-DC converter capable of driving a load with high efficiency, low ripple, and excellent line and load regulation. It is manufactured by XLSEMI and belongs to the XL1509 product family, a series of fixed-output and adjustable-output step-down switching regulator ICs designed to simplify the design of compact, efficient DC power conversion stages in a wide range of embedded, industrial, and consumer electronics applications. The "5.0" designation in the part number specifies that this variant produces a fixed regulated output voltage of five volts, making it directly suited to powering five-volt logic, microcontrollers, sensors, communication modules, and other standard digital subsystems from higher-voltage DC rails without requiring a linear regulator and its inherent power dissipation penalty. Unikeyic Electronics The XL1509 requires a minimum number of external components, making it simple to use, and includes internal frequency compensation and a fixed-frequency oscillator. The PWM control circuit is able to adjust the duty ratio linearly from zero to one hundred percent. This internal compensation architecture removes the burden of control loop design from the system engineer, which is a common point of complexity in discrete buck converter designs, and allows the device to be implemented with a straightforward application circuit consisting of an input capacitor, an output inductor, a freewheeling Schottky diode, and an output capacitor, without requiring additional feedback network components in the fixed-output version. Unikeyic Electronics The device operates across a wide input voltage range, accepting input rails ranging from just above the output voltage all the way up to the high end of the input range, making it compatible with a variety of common source voltages including twelve-volt, twenty-four-volt, and other industrial bus rails frequently encountered in embedded and industrial power system designs. This wide input range also makes it suitable for battery-powered applications where the supply voltage varies considerably across the battery discharge cycle, as the converter maintains a regulated output throughout the input voltage window. The fixed switching frequency is set internally at a value that represents a practical tradeoff between external component size and switching loss, allowing the use of standard commodity inductors and electrolytic or ceramic output capacitors without requiring unusually large or small values. An enable function and an overcurrent protection function are built inside. When a secondary current limit condition occurs, the operating frequency is reduced to a lower switching frequency, which limits the energy delivered per cycle and prevents damage to the power switch and external components during sustained overload events. This dual-level current protection approach provides both instantaneous peak current limiting and sustained overload protection, improving the robustness of designs built around the device in applications where load transients or fault conditions may cause temporary overcurrent conditions. Unikeyic Electronics The device is housed in a standard eight-pin small-outline integrated circuit surface-mount package, making it compatible with automated pick-and-place and reflow soldering assembly processes and suitable for compact power supply layouts on densely populated PCBs. Spec Sheet Identification Part Number: XL1509-5.0E1 Device Family: XL1509 Buck DC-DC Converter Series Manufacturer: XLSEMI Part Number Decode XL1509: Base device family 5.0: Fixed output voltage — five volts E1: Tape-and-reel packaging variant Functional Classification Device Type: Fixed-frequency PWM step-down buck DC-DC converter IC Topology: Non-synchronous buck converter with internal power switch Output Configuration: Single output, fixed voltage Regulation Method: Fixed-frequency PWM with internal compensation Electrical Characteristics Input Voltage Range: Wide input range, compatible with common industrial and consumer DC bus voltages Output Voltage: Fixed regulated output at five volts Output Current: Continuous rated current class suitable for moderate embedded system loads Switching Frequency: Fixed internal oscillator, mid-frequency class Duty Cycle Range: Adjustable from zero to maximum, internally controlled Minimum Dropout Voltage: Low dropout class Output Ripple: Low ripple characteristic with appropriate external filter components Control & Protection Features Enable Function: Built-in enable control input for power sequencing and shutdown Overcurrent Protection: Integrated primary current limit with frequency fold-back secondary protection Internal Compensation: Built-in frequency compensation, no external compensation network required Feedback: Internal reference for fixed output voltage regulation External Components Required Input Capacitor: Required for input decoupling Output Inductor: Required, standard commodity value Freewheeling Diode: External Schottky diode required Output Capacitor: Required for output filtering Environmental & Qualification Operating Temperature Range: Industrial range, below zero to elevated ambient RoHS Compliance: Yes, Halogen-Free Package Package Type: SOIC-8 (SOP-8) Mounting Method: Surface mount technology (SMT) Packaging Format Supply Format: Tape-and-reel Reel Quantity: Standard production reel quantity Available Variants in XL1509 Family XL1509-3.3E1: Fixed output at regulated lower voltage XL1509-5.0E1: Fixed output at five volts (this device) XL1509-12E1: Fixed output at twelve volts XL1509-ADJE1: Adjustable output version #XL1509 #XL15095 #XLSEMI #BuckConverter #StepDownConverter #DCDCConverter #PWMConverter #SwitchingRegulator #PowerManagement #EmbeddedPower #FixedOutputConverter #FiveVoltRegulator #IndustrialPower #SOIC8 #SurfaceMount #LowRipple #HighEfficiency #SemiconductorIC #EngineeringSpec #ComponentLibrary #CommonPartsLibrary #RoHSCompliant #PCBDesign

Timer ICM7555IPA+ DIP-8_L10.1-W6.3-P2.54-LS7.6-BL LCSC Part Number: C1520201 ICM7555 / ICM7556 CMOS Precision Timer – low-power general-purpose timer IC compatible with the classic 555 timer architecture. Available as a single timer (ICM7555) or dual timer (ICM7556). Designed for accurate timing, pulse generation, pulse-width modulation (PWM), frequency generation, delay circuits, oscillators, and sequential timing applications. Features ultra-low supply current, wide operating voltage range (2 V to 18 V), TTL compatibility, adjustable duty cycle, and improved CMOS performance compared to standard bipolar 555 timers. Search Keywords: ICM7555, ICM7556, CMOS 555 Timer, Precision Timer IC, Low Power Timer, General Purpose Timer, PWM Generator, Pulse Generator, Oscillator IC, Delay Timer, Monostable Multivibrator, Astable Multivibrator, Frequency Generator, Timing Circuit, CMOS Timer, Analog Timer IC, Low Power Oscillator, Dual Timer IC, Single Timer IC, 555 Compatible Timer Hashtags: #ICM7555 #ICM7556 #CMOS555 #555Timer #TimerIC #PrecisionTimer #PulseGenerator #PWMGenerator #OscillatorIC #FrequencyGenerator #DelayCircuit #Monostable #Astable #CMOS #LowPowerElectronics #AnalogIC #EmbeddedSystems #ElectronicsDesign #CircuitDesign #PCBDesign

LORA-CC68-915MHz-TCXO is a compact, high-performance LoRa wireless transceiver module from NiceRF based on the Semtech LLCC68 chipset. Operating in the 915 MHz ISM band, it features a high-precision TCXO (Temperature-Compensated Crystal Oscillator) for improved frequency stability, making it ideal for long-range, low-power IoT and industrial wireless communication applications. The module supports LoRa, FSK, and GFSK modulation schemes, provides up to +22 dBm (160 mW) transmit power, and achieves receiver sensitivity as low as -129 dBm for extended communication range. It communicates through an SPI interface and is optimized for battery-powered and low-power systems. Key Features Based on Semtech LLCC68 LoRa transceiver chip 915 MHz ISM band operation High-precision TCXO for enhanced frequency stability Supports LoRa, FSK, and GFSK modulation Up to +22 dBm (160 mW) RF output power Receiver sensitivity up to -129 dBm SPI communication interface Operating voltage: 1.8 V to 3.7 V Low receive current (~6.5 mA typical) Integrated antenna switching circuitry Compact 16 mm × 16 mm SMD package Suitable for long-range and low-power wireless applications FCC-certified 915 MHz version RoHS compliant Typical Applications Smart Metering Industrial Automation Agricultural Monitoring Smart Cities Environmental Sensors Asset Tracking Warehouse Management Remote Control Systems Street Lighting Control Battery-Powered IoT Devices #CommonPartsLibrary #Module #LoRa #LLCC68 #915MHz #TCXO #WirelessModule #RFModule #IoT #IndustrialAutomation #SmartMetering #LongRangeCommunication #LowPowerDesign #SPI #EmbeddedSystems #NiceRF

Phase Lock Loop (PLL) IC 2.4MHz 1 16-DIP (0.300", 7.62mm) CD4046BE is a CMOS Micropower Phase-Locked Loop (PLL) integrated circuit that combines a linear Voltage-Controlled Oscillator (VCO), two phase comparators, a source follower, and a Zener diode in a single package. It is designed for frequency synthesis, frequency detection, FM demodulation, clock recovery, motor speed control, and other synchronization applications. The device operates over a wide supply voltage range and offers low power consumption, high noise immunity, and excellent VCO linearity. Key Features Wide operating supply voltage range: 3 V to 18 V Integrated Voltage-Controlled Oscillator (VCO) Two selectable phase comparators for flexible PLL design Operating frequency range up to approximately 1.4 MHz Very low power consumption High VCO linearity (typically <1%) Low frequency drift with temperature VCO inhibit control for ON/OFF keying applications Built-in source follower output for demodulation applications High noise immunity characteristic of CMOS technology Available in 16-pin PDIP (CD4046BE) package Typical Applications Frequency synthesis and multiplication FM modulation and demodulation Frequency discrimination Clock recovery and data synchronization Tone decoding Voltage-to-frequency conversion FSK modulation/demodulation Motor speed control systems Signal tracking and phase synchronization circuits Hashtags #CD4046BE #PLL #PhaseLockedLoop #VCO #ClockRecovery #FrequencySynthesizer #FMDemodulator #FSKModulation #CMOS #TexasInstruments #AnalogIC #TimingIC #SignalProcessing #EmbeddedSystems #ElectronicsDesign

Crystal, 12 MHz, SMD, 3.2mm x 2.5mm, 30 ppm, 10 pF, 30 ppm, ABM8 Series ABM8-272-T3 is an ultra-miniature surface-mount quartz crystal from Abracon designed for precision clock generation in embedded systems and microcontroller applications. The crystal operates at 12.000MHz in fundamental AT-cut mode and is packaged in a compact 3.2mm × 2.5mm × 0.8mm ceramic SMD package. It features ±30ppm frequency tolerance and stability, 10pF load capacitance, 50Ω maximum ESR, and low drive power requirements. The device operates across an industrial temperature range of -40°C to +85°C and is hermetically sealed with MSL1 moisture sensitivity rating. The ABM8-272-T3 is approved for use with Raspberry Pi RP2040 and RP235x microcontrollers and is suitable for embedded controllers, IoT devices, communication equipment, industrial electronics, and precision timing applications. Search Keywords: ABM8-272-T3, Abracon ABM8, 12MHz crystal, 12.000MHz crystal, quartz crystal, SMD crystal, ceramic crystal resonator, RP2040 crystal, RP2350 crystal, Raspberry Pi crystal, clock crystal, oscillator crystal, timing crystal, MCU clock source, embedded crystal, surface mount crystal, AT cut crystal, 10pF crystal, 3.2x2.5mm crystal, frequency reference Hashtags: #ABM8272T3 #Abracon #12MHzCrystal #QuartzCrystal #SMDCrystal #ClockSource #Oscillator #TimingCircuit #RP2040 #RP2350 #RaspberryPi #Microcontroller #EmbeddedSystems #IoT #Electronics #ElectronicComponents #PCBDesign #HardwareDesign #FrequencyReference #CrystalOscillator