SX3M66.6667B20F30TNN 66.6667MHz CMOS 4-SMD Crystal Oscillator

SX3M66.6667B20F30TNN is a high-performance 66.6667MHz 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 timing component, it generates a fixed-frequency electrical signal that acts as the heartbeat for microcontrollers, FPGAs, communication systems, and various other electronic devices. Its compact 4-SMD package makes it suitable for space-constrained applications, while its robust design ensures reliable operation across a wide range of environmental conditions.

Key Specifications

The SX3M66.6667B20F30TNN boasts several critical specifications that define its performance and suitability for diverse applications:

• Output: CMOS – This specifies the logic family of the output signal. CMOS (Complementary Metal-Oxide-Semiconductor) output is widely compatible with most digital ICs, offering low power consumption and high noise immunity, making it ideal for modern digital circuit designs.
• Series: 3C – The ‘3C’ series designation from SCTF indicates a specific product line, often implying a set of common characteristics regarding performance, package type, or intended application area within the manufacturer’s portfolio.
• Frequency: 66.6667MHz – This is the fundamental operating frequency of the oscillator, meaning it generates a clock signal at exactly 66.6667 million cycles per second. This precise frequency is critical for applications requiring specific timing, such as data communication rates or processor clock speeds.
• Size (mm): 3.2×2.5×0.95 – This ultra-compact dimension highlights the miniature footprint of the component, making it suitable for high-density PCBs and portable electronic devices where space is at a premium. The low profile of 0.95mm is particularly beneficial for thin product designs.
• Input Current: 10-40mA – This range indicates the typical current draw required for the oscillator to operate. A lower input current contributes to overall power efficiency, which is vital for battery-powered devices and energy-conscious designs.
• Mounting Type: Surface Mount – This refers to the method of attaching the component to the PCB. Surface Mount Technology (SMT) allows for automated assembly, higher component density, and improved electrical performance compared to through-hole components.
• Component Type: Crystal Oscillator – This clarifies that the device is a complete oscillator module, integrating a quartz crystal with an oscillating circuit, providing a ready-to-use frequency source without external components.
• Package / Case: 4-SMD – This denotes the physical package type, a 4-pin Surface Mount Device. This standard package facilitates easy integration into automated pick-and-place manufacturing processes.
• Supply Voltage: 1.8V, 2.5V, 3.3V – The oscillator’s compatibility with multiple common supply voltages (1.8V, 2.5V, and 3.3V) offers significant design flexibility, allowing it to be integrated into systems operating at various logic levels and power rails.
• Frequency Range: 1 – 160MHz – While this specific part operates at 66.6667MHz, the broader frequency range indicates the capabilities of the series or family, suggesting that similar oscillators are available for different timing requirements.
• Frequency Stability: ±50ppm – Frequency stability measures how much the output frequency deviates from its nominal value over temperature, voltage, and aging. A ±50ppm stability is excellent for many commercial and industrial applications, ensuring consistent timing performance.
• Frequency Tolerance: ±20ppm – This specification indicates the maximum permissible deviation of the actual output frequency from the nominal 66.6667MHz at a specified reference temperature (usually 25°C). A tight tolerance of ±20ppm ensures high initial accuracy.
• Operating Temperature: -40℃ to +85℃, -40℃ to +105℃, -40℃ to +125℃ – The broad operating temperature range signifies the oscillator’s robustness and suitability for harsh environments. The availability of multiple ranges (up to +125℃) caters to industrial and automotive-grade applications.

Features and Benefits

• High Precision Timing: With a frequency tolerance of ±20ppm and stability of ±50ppm, the SX3M66.6667B20F30TNN provides highly accurate and consistent clock signals, essential for reliable system operation.
• Versatile Voltage Compatibility: Support for 1.8V, 2.5V, and 3.3V supply voltages simplifies integration into diverse digital systems, reducing the need for additional voltage translation circuitry.
• Compact and Space-Saving Design: The 3.2×2.5×0.95mm 4-SMD package is ideal for miniaturized electronics, enabling higher component density and smaller overall product footprints.
• Robust Environmental Performance: An extended operating temperature range up to +125℃ ensures reliable performance in demanding industrial, automotive, and outdoor applications.
• CMOS Output for Broad Compatibility: The CMOS output ensures seamless interfacing with a wide array of digital logic families, offering low power consumption and excellent noise immunity.

Typical Applications

• Microcontroller and Microprocessor Clocking: Provides the fundamental clock signal for embedded systems, ensuring precise execution of instructions and synchronization of peripherals in IoT devices, industrial controls, and consumer electronics.
• Data Communication Systems: Used in network interface cards, modems, routers, and other communication equipment to generate accurate baud rates and timing for serial and parallel data transmission, ensuring reliable data integrity.
• FPGA and ASIC Designs: Serves as a stable external clock source for Field-Programmable Gate Arrays (FPGAs) and Application-Specific Integrated Circuits (ASICs), critical for synchronous logic operation and high-speed data processing.
• Industrial Control Systems: Employed in PLCs, motor controllers, and sensor interfaces where stable timing is paramount for real-time data acquisition, process control, and automation tasks in harsh industrial environments.
• Portable and Battery-Powered Devices: Its low input current and compact size make it an excellent choice for smartphones, wearables, GPS modules, and other portable electronics where power efficiency and miniaturization are key design considerations.

The SCTF SX3M66.6667B20F30TNN crystal oscillator is a premium choice for designers seeking a reliable, high-performance timing solution. This component is readily stocked and available for prompt shipment across India by Cirkit Electro Components, Mumbai.

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