18QHTF21-13.2719-OE

Overview

The 18QHTF21-13.2719-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 13.2719 MHz with a frequency stability of ±50ppm. The device utilizes LVCMOS output logic and requires a 1.8V supply voltage. It features an enable/disable control function for power management. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.

Feature Summary

• Standard XO configuration providing precise timing signals
• LVCMOS output logic compatible with digital circuits
• Integrated enable/disable functionality for power efficiency

Applications

• Precision timing applications requiring stable clock signals
• Embedded systems utilizing low-voltage digital interfaces
• Consumer electronics requiring compact oscillator solutions

Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required frequency tolerance and load capacitance specifications. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the 4-SMD no-lead package footprint matches the PCB design guidelines. Cross-reference the manufacturer datasheet for reflow soldering profile recommendations to maintain component integrity during assembly processes.

Selection Notes

Select this component when a low-profile, low-voltage oscillator is required for space-constrained designs. The LVCMOS output is suitable for direct interfacing with modern digital logic families. Consider the ±50ppm stability requirement against system jitter budgets. The enable pin allows for dynamic power control, making it ideal for battery-operated devices where standby current reduction is critical.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which focuses on small-footprint crystal oscillators. The series typically offers various frequencies and voltage options within a standardized 2.0x1.6mm package. Mercury Electronics is a specialized manufacturer of frequency control products, leveraging decades of experience in quartz crystal technology to produce reliable timing components for global markets.

Replacement Considerations

Direct substitutes include other 13.2719 MHz LVCMOS oscillators in 2.0x1.6mm packages with 1.8V operation. Verify equivalent stability ratings and enable pin functionality before substitution.