18QHTF21-17.7456-OE

Oscillators Overview

The 18QHTF21-17.7456-OE is a standard quartz crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 17.7456 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features an Enable/Disable control function to manage power consumption effectively. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm, suitable for space-constrained surface-mount designs.

Oscillators Feature Summary

• LVCMOS output compatibility for digital interface integration
• Low voltage operation at 1.8V supply
• Enable/Disable control functionality for power management
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

• High-performance digital signal processing systems
• Communication equipment clock sources
• Portable electronic devices requiring low power consumption
• Embedded systems timing references

Oscillators Procurement Notes

Verify the specific suffix OE against official Mercury Electronics documentation to confirm enable/disable functionality versus other variants like PD. Ensure the 1.8V supply requirement aligns with system design constraints. Confirm package dimensions match PCB footprint specifications before procurement.

Oscillators Selection Notes

Select this component when a precise 17.7456 MHz reference is required with low voltage operation. Consider the Enable/Disable feature if power efficiency during idle states is critical. Evaluate the small 2.0x1.6mm footprint against available board space. Compare performance requirements against other LVCMOS oscillators in the same series.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies within a standardized low-profile package. The series supports both enable/disable and power-down modes across different frequency options. Mercury Electronics specializes in frequency control products including crystals and oscillators.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 series parts with identical pinout and envelope but different frequencies or control modes. Verify electrical compatibility when replacing with similar LVCMOS oscillators from other manufacturers.