18QHTF21-7.998-OE

Overview

The 18QHTF21-7.998-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 7.998 MHz and utilizes LVCMOS output logic levels. The device requires a supply voltage of 1.8V and includes enable/disable control functionality. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0 x 1.6 mm.

Feature Summary

• Integrates enable and disable control capabilities for power management
• Utilizes LVCMOS output interface for digital signal compatibility
• Features a compact surface-mount package design

Applications

• General clock generation in electronic circuits
• Timing reference sources for digital systems
• Embedded system clock inputs

Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to ensure correct voltage and output type configuration. Confirm that the 1.8V supply requirement aligns with the target circuit design before procurement. Check RoHS compliance status if required by project specifications.

Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside precise timing needs. Consider the small footprint for space-constrained designs. Ensure the LVCMOS output level matches the receiving input thresholds of the connected logic devices.

Part Context

This part belongs to the AMPMODU series from Mercury Electronic Ind. Co., Ltd, a supplier specializing in quartz crystals and oscillators. The series offers various frequency options within a standardized small outline package format suitable for high-density PCB layouts.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data. Verify pinout and electrical parameters carefully when considering alternative manufacturers.