18QHTF21-67.400-OE

Overview

The 18QHTF21-67.400-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd, operating at a frequency of 67.4 MHz. It utilizes LVCMOS output logic and functions with a supply voltage of 1.8V. The component features an Enable/Disable control function for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm and a maximum seated height of 0.80mm.

Feature Summary

• Provides stable frequency generation via LVCMOS output interface
• Includes hardware enable/disable functionality for power control
• Designed in a compact surface-mount package suitable for space-constrained applications

Applications

• General electronic systems requiring precise clock signals
• Digital circuits utilizing LVCMOS logic levels
• Portable devices due to low voltage operation and small form factor

Procurement Notes

Verify the specific suffix 'OE' against manufacturer documentation to confirm exact electrical tolerances and pinout configuration. Ensure the 1.8V supply requirement aligns with target system design. Confirm package dimensions match PCB footprint requirements before integration.

Selection Notes

Select this component when a 67.4 MHz clock source is required with LVCMOS compatibility. Consider the 1.8V operating voltage and enable/disable feature for power-sensitive designs. Evaluate the 4-SMD package size against available board space constraints.

Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series offers various frequencies and voltage options within a standardized 2.0mm x 1.6mm SMD package, providing consistent mechanical and electrical characteristics across different frequency variants.

Replacement Considerations

Direct substitutes include other 67.4 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Verify pin compatibility and electrical specifications before substitution.