18QHTF21-49.390-OE

Overview

The 18QHTF21-49.390-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 49.39 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and features an enable/disable control function for power management. It is housed in a compact 4-SMD, no lead package suitable for surface mount applications.

Feature Summary

• LVCMOS output logic for digital interface compatibility
• Enable/disable control functionality for power optimization
• Compact 4-SMD no lead surface mount package

Applications

• General purpose timing circuits
• Digital signal processing systems
• Communication equipment requiring precise clock signals

Procurement Notes

Verify the specific suffix OE against official Mercury documentation to confirm the enable/disable feature set. Ensure the 1.8V supply requirement aligns with system design constraints. Confirm the 4-SMD no lead package dimensions match PCB footprint specifications before finalizing procurement orders.

Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside active power management capabilities. The LVCMOS output ensures compatibility with standard digital logic families. Consider the small form factor for space-constrained designs requiring reliable quartz-based timing stability.

Part Context

Mercury Electronic Ind. Co., Ltd specializes in frequency control products including quartz crystals and oscillators. This model belongs to their line of surface mount crystal oscillators designed for modern electronic devices requiring precise timing references with low power consumption profiles.

Replacement Considerations

Consult official Mercury documentation for direct substitutes. Verify that any replacement maintains the 49.39 MHz frequency, 1.8V supply, LVCMOS output, and enable/disable functionality while matching the 4-SMD no lead package.