18QHTF21-26.6667-PD

Oscillators Overview

The 18QHTF21-26.6667-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 26.6667 MHz and utilizes LVCMOS output logic. The device is designed for low-power applications, featuring a supply voltage of 1.8V with standby capability. It is housed in a compact 4-SMD, No Lead package suitable for surface-mount assembly.

Oscillators Feature Summary

• LVCMOS output interface
• 1.8V supply voltage operation
• Standby power down mode
• Compact 4-SMD no lead package

Oscillators Applications

• Low-power clock generation
• Digital signal processing timing
• Embedded system clocks

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD no lead package footprint matches your PCB layout constraints to guarantee proper soldering and mechanical stability during assembly.

Oscillators Selection Notes

Select this component when a precise 26.6667 MHz reference is required for LVCMOS-compatible digital circuits. Consider the 1.8V operating voltage and standby feature for power-sensitive designs. Evaluate the 4-SMD package size against available board space. Compare performance metrics such as phase noise and stability if high-precision timing is critical for the application environment.

Oscillators Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequencies and voltage options. The PD suffix typically indicates a specific packaging or tape-and-reel configuration. This model provides a stable clock source for systems requiring low power consumption and small form factors.

Oscillators Replacement Considerations

Direct substitutes must match the 26.6667 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD package. Verify pin compatibility and electrical specifications. Consult manufacturer cross-reference lists for equivalent parts from other suppliers offering identical timing and package characteristics.