18QHTF21-57.783-OE

Overview

The 18QHTF21-57.783-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 57.783 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features an enable/disable control function. 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 functionality for power management
• Compact 4-SMD no-lead surface mount package design

Applications

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

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the 4-SMD package footprint matches the PCB layout specifications to guarantee proper soldering and mechanical stability during assembly processes.

Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside LVCMOS outputs. The enable/disable feature supports dynamic power management strategies in battery-operated or energy-efficient designs. Consider the small form factor of the 4-SMD package for space-constrained applications where minimal board area is critical for integration.

Part Context

This part belongs to the 18QHTF21 series of standard oscillators from Mercury Electronics. The series offers various frequencies within the SMD package family. Mercury Electronics has established itself as a pioneer in quartz crystal manufacturing in Taiwan since 1973, providing reliable frequency control solutions for global electronic markets.

Replacement Considerations

Direct substitutes include other 1.8V LVCMOS oscillators in 4-SMD packages from compatible manufacturers. Verify pinout compatibility and electrical parameters such as current consumption and startup time. Cross-reference with similar Mercury models like 18QHTF21-65.300-OE if frequency adjustments are permissible.