18QHTF21-7.372-OE

Overview

The 18QHTF21-7.372-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a nominal frequency of 7.372 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Feature Summary

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

Applications

• General clock signal generation
• Digital circuit timing references
• Embedded system clock sources

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to ensure the correct voltage and package variant. Confirm that the 1.8V supply requirement aligns with the target system design before procurement. Check for any recent updates to the datasheet regarding pin configuration or electrical characteristics.

Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside LVCMOS outputs. The small 4-SMD footprint makes it suitable for space-constrained designs. Ensure the 7.372 MHz frequency meets the system's timing requirements and that the enable pin can be utilized if power saving is necessary.

Part Context

Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer established in 1973, specializing in frequency control products including quartz crystals, oscillators, and filters. This part belongs to their standard XO series, which provides reliable timing solutions for various electronic applications.

Replacement Considerations

Cross-reference with other 7.372 MHz LVCMOS oscillators in 4-SMD packages from compatible manufacturers. Verify that substitute parts match the 1.8V supply voltage and pinout configuration to ensure direct replacement without circuit modification.