18QHTF21-13.537-OE

Overview

The 18QHTF21-13.537-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 13.537 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications, requiring a 1.8V supply voltage. It features an enable/disable control function for power management flexibility. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly processes.

Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable/disable functionality for power control
• 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 your circuit design before procurement. Ensure the 1.8V supply voltage aligns with your system's power rails. Confirm that the 4-SMD no-lead package dimensions fit within your PCB footprint constraints. Check for any specific handling instructions regarding electrostatic discharge sensitivity during storage and installation.

Selection Notes

Select this component when a precise 13.537 MHz clock source is required with low voltage operation. Consider the LVCMOS output level compatibility with downstream logic families. Evaluate the enable/disable feature necessity for power-sensitive designs. Compare package size against available board space to ensure mechanical fitment.

Part Context

This part belongs to the QHTF series of oscillators from Mercury Electronic Ind. Co., Ltd. The series offers various frequencies ranging from 1.0 MHz to 200 MHz across different supply voltages. Mercury Electronic is a Taiwan-based manufacturer specializing in quartz crystals and timing components with extensive industry experience.

Replacement Considerations

Compatible substitutes include other 13.537 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Verify pinout compatibility and electrical specifications such as phase noise and jitter before substitution.