18QHTF21-57.453667-PD

Overview

The 18QHTF21-57.453667-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 57.453667 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes a standby power-down feature for energy management. 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 logic for digital interface compatibility
• Includes standby mode functionality to reduce power consumption
• Designed for surface-mount integration via 4-SMD no-lead package

Applications

• General purpose clock signal generation
• Digital system timing reference
• Embedded electronics control circuits

Procurement Notes

Verify the specific ordering suffix PD against official Mercury Electronics documentation to confirm the presence of the power-down feature. Ensure the 1.8V supply requirement aligns with target circuit design. Confirm package dimensions match PCB footprint specifications before procurement.

Selection Notes

Select this component when a 57.453667 MHz clock source is required with low voltage operation. Consider the LVCMOS output level compatibility with downstream logic families. Evaluate the thermal and mechanical constraints of the 4-SMD package within the assembly environment.

Part Context

This model belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The series offers various frequencies and supply voltages, positioning these oscillators as reliable timing solutions for consumer and industrial electronic devices.

Replacement Considerations

Direct substitutes must match the 57.453667 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no-lead package. Verify pinout compatibility and electrical characteristics with alternative manufacturers' offerings.