18QHTF21-66.50428-PD

Overview

The 18QHTF21-66.50428-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 66.50428 MHz and utilizes an LVCMOS output signal format. The device is designed for a supply voltage of 1.8V and includes a standby or power-down function capability. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Feature Summary

• Supports LVCMOS output interface
• Includes standby or power-down functionality
• Operates on 1.8V supply voltage

Applications

• General electronic timing circuits
• Digital communication systems
• Embedded system clock sources

Procurement Notes

Verify the specific ordering suffix to ensure the correct output type and package variant matches the design requirements. Confirm that the 1.8V supply voltage aligns with the target circuit's power rails. Ensure the 4-SMD no-lead footprint is compatible with the PCB layout and manufacturing processes before finalizing procurement.

Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside an LVCMOS interface. The inclusion of a standby feature makes it suitable for power-sensitive designs. Verify that the 66.50428 MHz frequency meets the system clock specifications and that the small form factor fits within the available board space constraints.

Part Context

Mercury Electronic Ind. Co., Ltd. is a manufacturer specializing in frequency control products, including crystals and oscillators. This part belongs to their series of surface-mount crystal oscillators designed for modern electronic applications requiring reliable timing solutions.

Replacement Considerations

Check for parts sharing the same 66.50428 MHz frequency, 1.8V voltage, LVCMOS output, and 4-SMD package dimensions from other manufacturers to ensure pin-to-pin compatibility.