SX7M14.7456B10F20TNN 14.7456MHz CMOS 4-SMD Crystal Oscillator

SX7M14.7456B10F20TNN 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 precise and stable clock signals, which are fundamental for the synchronous operation of digital circuits. As a crucial element in the timing and synchronization of electronic systems, this crystal oscillator converts electrical energy into a mechanical vibration at a specific frequency, and then back into an electrical signal, ensuring consistent and accurate timing. Its compact 4-SMD package makes it ideal for space-constrained applications, offering a reliable timing solution across a broad range of industrial and consumer electronics.

Key Specifications

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

Output: CMOS – The CMOS output type signifies that the oscillator produces a rail-to-rail voltage swing, making it highly compatible with standard CMOS logic families. This ensures robust signal integrity and simplifies interfacing with microcontrollers, FPGAs, and other digital ICs, reducing the need for additional level-shifting circuitry.

Series: 7C – The 7C series from SCTF indicates a specific product line known for its compact size, reliability, and performance characteristics, often optimized for general-purpose timing applications requiring a balance of cost-effectiveness and stability.

Frequency: 14.7456MHz – Operating at a precise frequency of 14.7456MHz, this oscillator is well-suited for applications requiring this specific clock speed, which is common in various communication protocols, data processing, and microcontroller timing, often derived from standard crystal frequencies for optimal system performance.

Size (mm): 7.0×5.0×1.30 – The compact dimensions of 7.0mm by 5.0mm with a height of 1.30mm highlight its suitability for surface mount technology (SMT) and integration into miniaturized electronic devices where board space is at a premium. This small footprint contributes to overall device compactness and design flexibility.

Input Current: 10-40mA – This range specifies the typical current consumption of the oscillator. A relatively low input current is beneficial for power-sensitive applications, helping to extend battery life in portable devices and reduce power dissipation in larger systems.

Mounting Type: Surface Mount – Surface Mount Technology (SMT) facilitates automated assembly processes, leading to higher manufacturing efficiency, reduced production costs, and the ability to create smaller, more densely packed circuit boards compared to through-hole components.

Component Type: Crystal Oscillator – As a crystal oscillator, it provides an active, self-contained timing solution, generating a stable oscillating signal without requiring external feedback components, unlike a bare crystal which needs an external oscillating circuit.

Package / Case: 4-SMD – The 4-SMD (Surface Mount Device) package refers to its physical form factor, designed for direct mounting onto the surface of a printed circuit board. This package type is standard for many modern electronic components, offering reliability and ease of integration.

Supply Voltage: 1.8V, 2.5V, 3.3V – The multi-voltage compatibility (1.8V, 2.5V, 3.3V) provides significant flexibility for designers, allowing the oscillator to be integrated into systems with varying power supply rails, from low-power portable devices to standard digital logic circuits.

Frequency Range: 1 – 160MHz – While the specific frequency is 14.7456MHz, the stated frequency range indicates the broader capabilities of this oscillator series, suggesting that similar devices from the 7C series can cover a wide spectrum of clocking requirements, offering versatility for different design needs.

Frequency Stability: ±50ppm – Frequency stability measures how much the output frequency deviates from its nominal value over time and temperature. A stability of ±50ppm (parts per million) indicates a highly consistent and reliable timing source, crucial for applications where precise timing is critical to system performance.

Frequency Tolerance: ±20ppm – Frequency tolerance specifies the maximum allowable deviation of the actual output frequency from the nominal frequency at a specified temperature (usually 25°C). A ±20ppm tolerance ensures that the oscillator operates very close to its intended frequency, which is important for accurate data transmission and system synchronization.

Operating Temperature: -40℃ to +85℃, -40℃ to +105℃, -40℃ to +125℃ – The wide operating temperature range signifies the robustness of the SX7M14.7456B10F20TNN, allowing it to function reliably in extreme environmental conditions, from industrial control systems to automotive applications, without significant degradation in performance.

Features and Benefits

• High Precision and Stability: With a frequency tolerance of ±20ppm and stability of ±50ppm, this oscillator ensures highly accurate and consistent timing signals, crucial for reliable system operation and data integrity.
• Wide Voltage Compatibility: Support for 1.8V, 2.5V, and 3.3V supply voltages offers design flexibility, enabling integration into diverse power architectures and simplifying component selection for multi-voltage systems.
• Compact Surface Mount Package: The 4-SMD, 7.0×5.0×1.30mm footprint facilitates miniaturization and high-density PCB designs, making it ideal for portable electronics and space-constrained applications.
• Robust Operating Temperature Range: Capable of operating from -40℃ up to +125℃, it guarantees reliable performance in harsh industrial, automotive, and outdoor environments.
• CMOS Output for Easy Integration: The CMOS output provides direct compatibility with most digital logic families, streamlining circuit design and reducing the need for additional interface components.

Typical Applications

The SX7M14.7456B10F20TNN crystal oscillator is versatile and finds application in numerous electronic systems requiring precise timing:

• Microcontroller and Microprocessor Clocking: Essential for providing the fundamental clock signal that drives the CPU, memory, and peripherals in embedded systems, ensuring synchronous operation and accurate instruction execution.
• Data Communication Systems: Used in UARTs, SPI, I2C, and other serial communication interfaces to synchronize data transmission and reception, critical for maintaining data integrity in networking equipment, modems, and IoT devices.
• Consumer Electronics: Integrated into digital cameras, audio players, set-top boxes, and smart home devices to manage timing for various functions, from display refresh rates to audio signal processing.
• Industrial Control Systems: Provides reliable timing for PLCs (Programmable Logic Controllers), motor control units, and sensor interfaces, where precise timing is paramount for accurate process control and automation.
• Automotive Electronics: Employed in infotainment systems, engine control units (ECUs), and advanced driver-assistance systems (ADAS) for critical timing functions, ensuring safety and performance under varying conditions.

In summary, the SX7M14.7456B10F20TNN is a high-quality 14.7456MHz CMOS crystal oscillator from SCTF, offering excellent stability, compact size, and broad compatibility. It is an ideal choice for designers seeking a reliable timing solution for a wide array of digital applications. This component is stocked and shipped across India by Cirkit Electro Components, Mumbai.

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