18QHTF21-13.556-OE

Overview

The 18QHTF21-13.556-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 13.556 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 with dimensions of 2.0x1.6 mm. The component complies with RoHS standards.

Feature Summary

• Supports Enable/Disable control functionality
• Utilizes LVCMOS output logic
• Compact 4-SMD No Lead package design

Applications

• General timing applications requiring precise clock signals
• Embedded systems utilizing low-voltage logic interfaces
• Portable electronic devices constrained by size and power

Procurement Notes

Verify the specific suffix against official Mercury Electronics documentation to confirm the exact control function and electrical characteristics. Ensure the ordering part number matches the required frequency and package type. Confirm RoHS compliance status through the manufacturer's latest datasheet or environmental declaration before finalizing procurement.

Selection Notes

Select this component when a 1.8V supply and LVCMOS interface are required. Consider the 2.0x1.6 mm footprint for space-constrained layouts. Evaluate the enable/disable feature if power management during idle states is necessary for the target application design.

Part Context

This model belongs to the QHTF series of surface-mount crystal oscillators from Mercury Electronics. The series typically offers various frequencies and voltage options within a standardized small outline package format suitable for automated assembly processes.

Replacement Considerations

Cross-reference with other 13.556 MHz XO models from Mercury Electronics offering identical 1.8V operation and LVCMOS outputs. Verify pin compatibility and package dimensions before substituting.