18QHTF21-14.138-OE

Oscillators Overview

The 18QHTF21-14.138-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 14.138 MHz and utilizes LVCMOS output logic levels. The device supports voltage control via an Enable/Disable pin, allowing for power management in applications requiring intermittent operation. It is designed to function with a supply voltage of 1.8V, making it suitable for low-power portable electronics and digital systems. The component is housed in a compact 4-SMD, No Lead package, facilitating surface-mount assembly in space-constrained circuit designs.

Oscillators Feature Summary

• Supports LVCMOS output interface for direct integration with digital logic circuits
• Features an Enable/Disable pin for active power management and standby modes
• Operates on a 1.8V supply voltage optimized for low-power applications
• Utilizes a compact 4-SMD No Lead package for efficient surface-mount placement

Oscillators Applications

• Portable consumer electronics requiring low-power clock sources
• Digital signal processing systems utilizing LVCMOS interfaces
• Embedded controllers needing enable/disable functionality for power saving
• Communication modules requiring stable 14.138 MHz timing references

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your design specifications before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD No Lead footprint matches your PCB layout constraints. Check for any specific environmental ratings if the application involves extreme temperatures or harsh conditions. Consult the manufacturer datasheet for detailed electrical characteristics and reliability data.

Oscillators Selection Notes

Select this component when a precise 14.138 MHz clock signal is required with low power consumption. The LVCMOS output ensures compatibility with standard digital logic families. The enable/disable feature is critical for battery-operated devices where power efficiency is paramount. Consider the 1.8V operating voltage to ensure compatibility with modern low-voltage microcontrollers and processors. The small form factor makes it ideal for dense PCB layouts.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz-based frequency control products. The series includes various frequencies and packages, catering to diverse electronic needs. Mercury Electronics has a long history in manufacturing quartz crystals and oscillators, providing reliable timing solutions for global markets. This specific model represents their commitment to low-voltage, high-performance timing components.

Oscillators Replacement Considerations

Direct substitutes may include other 14.138 MHz LVCMOS oscillators in a 4-SMD No Lead package with 1.8V operation. Verify equivalent parameters such as frequency stability, phase noise, and enable/disable functionality. Ensure the replacement part meets the same electrical and mechanical specifications to maintain system performance.