18QHTF21-37.888-OE

Oscillators Overview

The 18QHTF21-37.888-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 37.888 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features an enable/disable control function to manage power consumption. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly processes.

Oscillators Feature Summary

• Integrates LVCMOS output logic for standard digital interface compatibility
• Supports active enable and disable control states for power management
• Utilizes a leadless SMD package design for automated surface-mount placement

Oscillators Applications

• General clock signal generation in embedded systems
• Timing reference sources for digital communication interfaces
• Power-sensitive portable electronic devices requiring low voltage operation

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply rail is stable and within the specified operating range. Ensure the PCB footprint matches the 4-SMD No Lead package dimensions provided in the official datasheet to prevent soldering defects during assembly.

Oscillators Selection Notes

Select this component when a precise 37.888 MHz timing source is required with minimal power consumption. The 1.8V operating voltage makes it suitable for modern low-power digital circuits. Consider the enable/disable feature if system-level power management strategies are necessary. Verify that the LVCMOS output swing is compatible with the receiving logic inputs of the downstream components.

Oscillators Part Context

This oscillator belongs to the Mercury Electronics XO series, which provides standard frequency solutions. The model number indicates the specific frequency variant within the product line. Mercury Electronics has established itself as a manufacturer of quartz-based frequency control products, offering various oscillator types including differential and single-ended configurations for diverse industrial applications.

Oscillators Replacement Considerations

Direct substitutes must match the 37.888 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD No Lead package. Verify pinout compatibility and electrical specifications such as phase noise and jitter before substitution.