18QHTF21-57.463667-PD

Overview

The 18QHTF21-57.463667-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 57.463667 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes a standby or power-down control feature. It is housed in a compact 4-SMD, no-lead package, designed for surface-mount applications requiring precise timing signals.

Feature Summary

• Supports low-voltage operation at 1.8V
• Features LVCMOS output logic compatibility
• Includes standby and power-down functionality

Applications

• Digital signal processing systems
• Communication equipment timing
• Embedded system clock generation

Procurement Notes

Verify the exact frequency tolerance and load capacitance requirements against your circuit design specifications before ordering. Confirm that the 1.8V supply rail is stable and within the operational limits defined in the official datasheet. Ensure the PCB footprint matches the 4-SMD no-lead package dimensions to guarantee proper soldering and mechanical stability during assembly processes.

Selection Notes

Select this component when a specific frequency of 57.463667 MHz is required for LVCMOS interfaces. Consider the 1.8V operating voltage constraint and the need for power management features like standby mode. Evaluate the physical space constraints to ensure the 4-SMD no-lead package fits the available board area while maintaining thermal and electrical performance standards.

Part Context

This part belongs to the Mercury Electronics XO series, which provides standard frequency solutions. The model number indicates the specific frequency and package type. Mercury Electronics has a long history in quartz crystal manufacturing, offering reliable frequency control products for various industrial and commercial applications globally.

Replacement Considerations

Check for direct substitutes with identical 57.463667 MHz frequency, 1.8V voltage, and LVCMOS output. Verify pinout compatibility for the 4-SMD no-lead package. Ensure any replacement supports the same standby/power-down functionality and meets the required temperature range specifications.