SX7M66.660B20F30TNN 66.66MHz CMOS 4-SMD Crystal Oscillator

SX7M66.660B20F30TNN

Overview

The SX7M66.660B20F30TNN is a high-performance 66.66MHz CMOS Crystal Oscillator manufactured by SCTF. As a crucial passive component, crystal oscillators serve as the precision timing source for a vast array of electronic circuits. This particular model generates a stable 66.66MHz clock signal, essential for synchronizing digital systems, microcontrollers, and communication interfaces. Its CMOS output ensures compatibility with standard digital logic families, making it a versatile choice for modern electronic designs requiring accurate and reliable frequency generation.

Key Specifications

• Output: CMOS
  The CMOS output type signifies that the oscillator produces a rail-to-rail voltage swing, making it highly compatible with CMOS logic gates. This ensures robust signal integrity and efficient interfacing with digital integrated circuits, minimizing power consumption in the receiving logic.
• Series: 7C
  The 7C series designation indicates a specific product line from SCTF, often implying particular performance characteristics, package styles, or target applications. Understanding the series helps designers select components with consistent attributes and reliability.
• Frequency: 66.66MHz
  This is the fundamental operating frequency of the oscillator, providing a precise 66.66 million cycles per second. This specific frequency is critical for applications requiring exact timing, such as high-speed data processing, telecommunications, and embedded systems.
• Size (mm): 7.0×5.0×1.30
  These dimensions specify the physical footprint and height of the component. A compact 7.0×5.0mm footprint and a low profile of 1.30mm make it suitable for space-constrained applications and miniaturized electronic devices, facilitating high-density PCB layouts.
• Input Current: 10-40mA
  This range indicates the typical current draw required for the oscillator to operate. Understanding the input current is vital for power supply design, ensuring adequate power delivery and managing overall system power consumption, especially in battery-powered devices.
• Mounting Type: Surface Mount
  Surface Mount Technology (SMT) allows for automated assembly, reducing manufacturing costs and increasing production efficiency. This mounting type is standard in modern electronics, enabling compact designs and improved performance due to shorter signal paths.
• Component Type: Crystal Oscillator
  This explicitly identifies the device as a crystal oscillator, a self-contained electronic component that uses the mechanical resonance of a vibrating crystal of piezoelectric material to create an electrical signal with a very precise frequency.
• Package / Case: 4-SMD
  The 4-SMD package indicates a surface-mount device with four pins. This standard package type is widely supported by automated pick-and-place machines, simplifying assembly processes and ensuring reliable electrical connections.
• Supply Voltage: 1.8V, 2.5V, 3.3V
  The oscillator supports multiple common supply voltages, offering flexibility for integration into various digital systems. This multi-voltage compatibility simplifies power management and allows for use in low-power and standard-voltage applications.
• Frequency Range: 1 – 160MHz
  While this specific part operates at 66.66MHz, the broader frequency range of the series (1-160MHz) indicates the manufacturer’s capability to produce oscillators across a wide spectrum of frequencies, highlighting their expertise in timing solutions.
• Frequency Stability: ±50ppm
  Frequency stability measures how much the output frequency deviates from its nominal value over time and temperature. A stability of ±50 parts per million (ppm) signifies a highly accurate and consistent timing source, crucial for applications where precise timing is paramount.
• Frequency Tolerance: ±20ppm
  Frequency tolerance refers to the maximum allowable deviation of the actual output frequency from the specified nominal frequency at room temperature. A tight tolerance of ±20ppm ensures that the oscillator operates very close to its intended frequency, which is critical for sensitive communication and data synchronization.
• Operating Temperature: -40℃ to +85℃, -40℃ to +105℃, -40℃ to +125℃
  The wide operating temperature range options indicate the oscillator’s robustness and suitability for harsh environmental conditions. This makes it ideal for industrial, automotive, and outdoor applications where extreme temperatures are common, ensuring reliable performance across diverse operational scenarios.

Features and Benefits

• High Precision and Stability: With a frequency stability of ±50ppm and tolerance of ±20ppm, the SX7M66.660B20F30TNN provides an exceptionally accurate and consistent 66.66MHz clock signal, crucial for reliable system operation in demanding applications.
• CMOS Output Compatibility: The CMOS output ensures seamless integration with a wide range of digital logic families, simplifying circuit design and reducing the need for additional interfacing components, thereby saving board space and cost.
• Wide Operating Voltage Range: Supporting 1.8V, 2.5V, and 3.3V supply voltages, this oscillator offers significant design flexibility, allowing it to be incorporated into various power-sensitive and standard-voltage systems without requiring voltage converters.
• Robust Temperature Performance: Designed to operate reliably across a broad temperature spectrum, including options up to -40℃ to +125℃, it is well-suited for industrial, automotive, and other environments where temperature extremes are a concern.
• Compact Surface Mount Package: The 7.0×5.0×1.30mm 4-SMD package facilitates high-density PCB designs and automated assembly processes, contributing to smaller end products and more efficient manufacturing.

Typical Applications

• Embedded Systems and Microcontrollers: The precise 66.66MHz clock signal is ideal for driving the core operations of microcontrollers and embedded processors, ensuring accurate instruction execution and peripheral synchronization in IoT devices, industrial controls, and consumer electronics.
• Data Communication Equipment: In networking devices such as routers, switches, and modems, this oscillator can provide the stable timing required for high-speed data transmission protocols, ensuring reliable data integrity and synchronization across communication channels.
• Industrial Automation and Control: Its robust temperature performance and stable frequency make it suitable for use in industrial control systems, PLCs, and factory automation equipment, where reliable timing is critical for process control and sensor data acquisition.
• Automotive Electronics: Given its wide operating temperature range and high reliability, the SX7M66.660B20F30TNN can be employed in various automotive applications, including engine control units (ECUs), infotainment systems, and advanced driver-assistance systems (ADAS), where components must withstand harsh conditions.
• Test and Measurement Instrumentation: Precision timing is fundamental in test and measurement devices like oscilloscopes, spectrum analyzers, and frequency counters. This oscillator can serve as a stable reference clock, contributing to the accuracy and repeatability of measurements.

Summary

The SX7M66.660B20F30TNN from SCTF is a highly reliable 66.66MHz CMOS crystal oscillator, offering exceptional precision, broad compatibility, and robust performance across challenging environmental conditions. Its compact surface-mount design and versatile voltage support make it an excellent choice for a wide array of modern electronic applications. This component is stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring prompt availability for your design and production needs.

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