18QHTF21-21.165824-OE

Oscillators Overview

The 18QHTF21-21.165824-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a fixed frequency of 21.165824 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, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

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

Oscillators Applications

• Digital signal processing systems
• Communication equipment clocking
• Embedded system timing references

Oscillators Procurement Notes

Verify the specific suffix OE against the manufacturer's official documentation to confirm exact electrical tolerances and pinout configuration. Ensure the selected variant matches the required operating temperature range and load capacitance specifications for the target circuit design before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a 1.8V supply voltage and LVCMOS output are required. The 4-SMD no-lead package is appropriate for high-density PCB layouts. Confirm that the 21.165824 MHz frequency aligns with the system clock requirements and that the enable/disable feature is necessary for power management strategies.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronic Ind. Co., Ltd, a manufacturer established in 1973 specializing in quartz crystals and frequency control products. The series typically offers standard oscillators with various frequency options and supply voltages, catering to general electronic timing needs.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 variants with identical package and voltage but different frequencies, such as 18QHTF21-8.640-OE or 18QHTF21-65.300-OE, provided the frequency difference is acceptable for the application.