18QHTF21-21.005084-OE

Oscillators Overview

The 18QHTF21-21.005084-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 21.005084 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and includes enable/disable functionality for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm. The component is designed for applications requiring precise timing signals within low-voltage digital circuits.

Oscillators Feature Summary

• Features LVCMOS output logic for standard digital interface compatibility
• Includes enable and disable control functionality to manage power consumption
• Utilizes a compact 4-SMD no-lead surface mount package design

Oscillators Applications

• Low-voltage digital circuit timing
• Portable electronic devices
• Embedded systems requiring precise clock signals

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure that the 1.8V supply voltage aligns with your system's power rails. Confirm that the enable/disable pin configuration matches your control logic. Check the operating temperature range specifications to ensure suitability for your environmental conditions. Always refer to the official datasheet for final electrical characteristics.

Oscillators Selection Notes

Select this component when a 21.005084 MHz clock signal is required in a space-constrained design. The 1.8V supply voltage makes it suitable for modern low-power digital systems. The enable/disable feature allows for dynamic power management strategies. Consider the small 2.0x1.6mm footprint if board real estate is limited. Ensure compatibility with LVCMOS logic levels in your target application.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz frequency control products. The series offers various frequencies and supply voltages. Mercury Electronics has a long history in the quartz crystal industry, providing reliable timing solutions. This specific model represents a standard XO variant optimized for low-voltage operation.

Oscillators Replacement Considerations

Direct substitutes may include other 21.005084 MHz LVCMOS oscillators with identical 1.8V supply and 4-SMD no-lead packages. Verify pinout compatibility and electrical parameters such as phase noise and jitter before substitution. Alternative part numbers from different manufacturers require careful evaluation of mechanical and electrical specifications.