18QHTF21-90.3168-OE

Overview

The 18QHTF21-90.3168-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 90.3168 MHz and utilizes LVCMOS output logic. The device supports an enable/disable control function and requires a supply voltage of 1.8V. It is housed in a compact 4-SMD, no-lead package designed for surface-mount applications. This component is classified as an active product with a base resonator type of crystal, suitable for timing circuits requiring precise clock signals.

Feature Summary

• Supports digital enable and disable control functionality
• Utilizes LVCMOS output logic for standard interface compatibility
• Employs a 4-SMD no-lead surface mount package design

Applications

• General purpose clock signal generation
• Digital system timing reference
• Embedded controller clock sources

Procurement Notes

Verify the specific ordering suffix and package variant against the manufacturer's current datasheet to ensure compatibility with your design requirements. Confirm that the 1.8V supply voltage aligns with your system power rails. Check for any recent updates to the enable/disable pin configuration or electrical characteristics before finalizing procurement.

Selection Notes

Select this component when a 90.3168 MHz clock source with LVCMOS outputs is required. Ensure the 1.8V operating voltage matches your circuit design. Consider the 4-SMD no-lead package dimensions for PCB layout constraints. Verify that the enable/disable feature meets your power management needs compared to always-on alternatives.

Part Context

This part belongs to Mercury Electronics' line of quartz crystal oscillators. The company specializes in frequency control products including TCXOs and VCTCXOs. The 18QHTF series typically denotes specific size and performance characteristics within their standard XO portfolio, targeting consumer and industrial electronics markets.

Replacement Considerations

Consult official substitution lists for compatible frequencies and packages. Cross-reference electrical parameters such as supply voltage and output logic levels. Verify package footprint compatibility if direct replacement is intended.