18QHTF21-20.800-OE

Oscillators Overview

The 18QHTF21-20.800-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 20.8 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, functioning with a supply voltage of 1.8V. It features an enable/disable control pin for power management flexibility. The component is housed in a compact 4-SMD surface-mount package, suitable for space-constrained electronic designs requiring precise timing signals.

Oscillators Feature Summary

• Standard crystal oscillator configuration providing stable clock signals
• LVCMOS output interface compatible with digital logic circuits
• Integrated enable/disable functionality for power optimization
• Compact 4-SMD surface-mount package design

Oscillators Applications

• Timing and clock signal generation in electronic devices
• Low-voltage digital system synchronization
• Embedded controller clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD footprint matches your PCB layout constraints. Cross-reference the manufacturer part number to avoid confusion with similar variants in the 18QHTF21 series.

Oscillators Selection Notes

Select this component when a 20.8 MHz reference is required for LVCMOS-compatible digital interfaces. Consider the 1.8V operating voltage as a primary constraint for power-sensitive designs. The enable/disable feature makes it suitable for battery-operated or power-managed systems. Evaluate the physical size of the 4-SMD package against available board space.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in frequency control products. The series includes various frequencies such as 1.768 MHz, 37.2 MHz, and 65.3 MHz. All variants share similar packaging and electrical characteristics, differing primarily in output frequency and specific package dimensions based on the frequency range.

Oscillators Replacement Considerations

Direct substitutes within the same series include other frequencies like 18QHTF21-37.200-OE or 18QHTF21-65.300-OE if frequency adjustment is acceptable. Verify compatibility with existing firmware or hardware timing requirements before swapping frequencies.

Oscillators FAQ

What is the output logic level of the 18QHTF21-20.800-OE?

The component uses LVCMOS (Low Voltage Complementary Metal-Oxide-Semiconductor) output logic levels.

Does the 18QHTF21-20.800-OE support power saving modes?

Yes, it features an enable/disable pin that allows for power management by turning the oscillator output on or off.