18QHTF21-57.748-OE

Overview

The 18QHTF21-57.748-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 57.748 MHz and utilizes LVCMOS output logic. The component is designed for a supply voltage of 1.8V and features enable/disable control functionality. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable/disable control capability
• Compact 4-SMD no-lead surface mount package

Applications

• Digital signal processing systems
• Communication equipment clocking
• Embedded system timing references

Procurement Notes

Verify the specific suffix OE against official Mercury Electronics documentation to confirm exact electrical tolerances and pinout configurations. Ensure the 1.8V supply requirement aligns with target circuit design. Confirm package dimensions match PCB footprint constraints before finalizing procurement orders.

Selection Notes

Select this component when a 57.748 MHz LVCMOS signal is required within a 1.8V power domain. The 4-SMD package offers space efficiency for dense layouts. Evaluate thermal performance and load capacitance requirements against the oscillator specifications to ensure stable operation under intended environmental conditions.

Part Context

This part belongs to the 18QHTF series of standard crystal oscillators from Mercury Electronics. The series provides various frequencies with LVCMOS outputs. The 18QHTF21 variant specifically denotes the package style and operational characteristics within the manufacturer's frequency control product line.

Replacement Considerations

Cross-reference with other 57.748 MHz LVCMOS oscillators in 4-SMD packages. Verify supply voltage compatibility and output drive strength. Check mechanical dimensions and pin assignments for direct replacement suitability without PCB redesign.