18QHTF21-66.088562-PD

Overview

The 18QHTF21-66.088562-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co. Ltd. It operates at a fixed frequency of 66.088562 MHz and utilizes LVCMOS output logic for digital signal interfacing. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features a power-down capability, allowing the oscillator to enter a standby mode to reduce power consumption when not in active use. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly on printed circuit boards.

Feature Summary

• LVCMOS output logic interface
• Integrated power-down functionality
• Compact 4-SMD no-lead package design

Applications

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

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply rail stability meets the datasheet specifications to maintain accurate oscillation. Confirm that the PCB footprint matches the 4-SMD no-lead package dimensions provided in the official mechanical drawings to ensure proper solder joint formation during assembly.

Selection Notes

Select this component when a precise 66.088562 MHz reference is required with low power consumption constraints. The LVCMOS output is compatible with standard digital logic families operating at 1.8V. Consider the power-down feature if the application requires periodic sleep modes. Verify that the operating temperature range aligns with the environmental conditions of the final product deployment.

Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronic Ind. Co. Ltd. The series offers various frequencies tailored for different timing needs while maintaining a consistent 1.8V supply and 4-SMD package form factor. The manufacturer specializes in quartz crystal products, providing reliable frequency control solutions for electronic circuits.

Replacement Considerations

Direct substitutes include other 18QHTF21 series parts with identical pinout and electrical characteristics but different frequencies, such as 18QHTF21-51.200-PD or 18QHTF21-96.768-PD, provided the system timing allows for frequency adjustment.