SX5M14.7456B10F20TNN 14.7456MHz CMOS 4-SMD Crystal Oscillator

SX5M14.7456B10F20TNN is a high-performance 14.7456MHz CMOS Crystal Oscillator manufactured by SCTF, a reputable name in passive components. This surface-mount device is engineered to provide a precise and stable clock signal, which is fundamental for the reliable operation of various digital and mixed-signal electronic circuits. As a crucial timing component, it converts electrical energy into mechanical vibrations and back, generating a consistent frequency output. Its compact 4-SMD package makes it suitable for space-constrained applications, ensuring high integration density on printed circuit boards. This crystal oscillator is a vital building block for microcontrollers, FPGAs, communication modules, and other systems requiring accurate timing references.

Key Specifications

This SCTF crystal oscillator boasts several key specifications that define its performance and suitability for diverse applications:

Output: CMOS – The CMOS (Complementary Metal-Oxide-Semiconductor) output type ensures compatibility with a wide range of digital logic families. CMOS outputs are known for their low power consumption and high noise immunity, making them ideal for modern electronic designs where efficiency and reliability are paramount. This allows for direct interfacing with microcontrollers and other digital ICs without additional level shifting.

Series: 5C – The 5C series designation indicates a specific product line from SCTF, often signifying a particular set of performance characteristics, package types, or target applications. This series is typically optimized for general-purpose timing applications requiring a balance of performance and cost-effectiveness.

Frequency: 14.7456MHz – This is the nominal operating frequency of the oscillator. A precise frequency like 14.7456MHz is often chosen for specific communication protocols, data rates, or processor clock speeds, ensuring accurate data transmission and system synchronization. This exact frequency is commonly used in various digital signal processing and communication applications.

Size (mm): 5.0×3.2×1.20 – This refers to the physical dimensions of the component in millimeters. The compact 5.0×3.2mm footprint and low 1.20mm profile are characteristic of modern surface-mount devices, enabling miniaturization of electronic products and efficient use of PCB real estate, which is critical in portable and high-density designs.

Input Current: 10-40mA – This specifies the typical current consumption range of the oscillator. A lower input current indicates higher power efficiency, which is beneficial for battery-powered devices and applications where power budget is a critical design constraint. This range suggests flexibility across various operating conditions.

Mounting Type: Surface Mount – Surface Mount Technology (SMT) allows for automated assembly, reducing manufacturing costs and increasing production efficiency. Surface mount components are directly soldered onto the surface of a PCB, enabling higher component density compared to through-hole technology.

Component Type: Crystal Oscillator – This explicitly identifies the device as a crystal oscillator, meaning it integrates a quartz crystal with an oscillating circuit to produce a stable frequency output, unlike a bare crystal which requires external circuitry.

Package / Case: 4-SMD – The 4-SMD package indicates a surface-mount device with four pins. This standard package type facilitates easy integration into automated assembly lines and provides a robust connection to the PCB.

Supply Voltage: 1.8V, 2.5V, 3.3V – This oscillator supports multiple common supply voltages, offering significant design flexibility. Compatibility with 1.8V, 2.5V, and 3.3V allows it to be used in a wide array of low-voltage digital systems, reducing the need for additional voltage regulation components.

Frequency Range: 1 – 160MHz – While the specific part operates at 14.7456MHz, this attribute indicates the broader frequency range that components within this series or family can support. This highlights the manufacturer’s capability in producing a versatile range of oscillators.

Frequency Stability: ±50ppm – Frequency stability measures how much the output frequency deviates from its nominal value over time and varying environmental conditions (like temperature). A stability of ±50ppm (parts per million) indicates a highly reliable and consistent timing source, crucial for applications requiring precise synchronization.

Frequency Tolerance: ±20ppm – Frequency tolerance refers to the maximum allowable deviation of the actual output frequency from the nominal frequency at a specified reference temperature (usually 25°C). A tolerance of ±20ppm signifies a high degree of initial accuracy, ensuring the device operates very close to its intended frequency from the outset.

Operating Temperature: -40℃ to +85℃, -40℃ to +105℃, -40℃ to +125℃ – This wide operating temperature range signifies the robustness of the SX5M14.7456B10F20TNN, making it suitable for industrial, automotive, and other demanding environments where extreme temperatures are common. The multiple ranges suggest different grades or specific part numbers within the series designed for varying thermal requirements.

Features and Benefits

• High Precision Timing: Provides a stable 14.7456MHz output with excellent frequency stability (±50ppm) and tolerance (±20ppm), ensuring reliable system operation and data integrity.
• Versatile Voltage Compatibility: Operates across 1.8V, 2.5V, and 3.3V supply voltages, simplifying integration into diverse low-power digital systems without additional voltage conversion.
• Compact Surface Mount Design: The 5.0×3.2×1.20mm 4-SMD package facilitates miniaturization and high-density PCB layouts, ideal for modern, space-constrained electronic devices.
• Robust Environmental Performance: With an operating temperature range extending up to +125℃, this oscillator is suitable for harsh industrial and automotive applications.
• CMOS Output for Broad Compatibility: The CMOS output ensures direct interfacing with a wide array of digital logic circuits, offering low power consumption and high noise immunity.

Typical Applications

The SX5M14.7456B10F20TNN crystal oscillator is a versatile component essential for a multitude of electronic systems:

Microcontroller and Microprocessor Clocking: Provides the fundamental clock signal for microcontrollers and microprocessors, governing their execution speed and ensuring synchronized operation of internal peripherals. Its stability is crucial for accurate instruction cycles and data processing.

Wireless Communication Modules: Used in Wi-Fi, Bluetooth, Zigbee, and other RF modules to generate precise carrier frequencies and timing for data transmission and reception. The 14.7456MHz frequency can be a critical reference for frequency synthesis in transceivers.

Industrial Control Systems: Ensures reliable timing for PLCs (Programmable Logic Controllers), sensor interfaces, and motor control units, where precise timing is critical for process automation and real-time control applications in factories and industrial environments.

Networking Equipment: Essential for routers, switches, and other network devices to synchronize data packets and maintain communication protocols. Accurate timing prevents data corruption and ensures efficient network traffic management.

Consumer Electronics: Found in digital cameras, smart home devices, and portable gadgets where a stable clock source is needed for display controllers, audio processing, and overall system functionality, contributing to a smooth user experience.

Automotive Electronics: Suitable for various in-car systems, including infotainment, engine control units (ECUs), and advanced driver-assistance systems (ADAS), where components must withstand wide temperature variations and provide unwavering performance.

In summary, the SX5M14.7456B10F20TNN from SCTF is a reliable and high-performance 14.7456MHz CMOS crystal oscillator, offering precision timing in a compact, robust package. It is an ideal choice for engineers designing systems that demand accuracy and stability across various operating conditions. This component is readily stocked and shipped across India by Cirkit Electro Components, Mumbai.

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