18QHTF21-57.573667-PD

Overview

The 18QHTF21-57.573667-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 57.573667 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications.

Feature Summary

• Standard XO configuration with LVCMOS output
• Integrated standby and power-down functionality
• Compact 4-SMD no-lead surface mount package

Applications

• General purpose timing circuits
• Digital signal processing systems
• Communication equipment clock sources

Procurement Notes

Verify the specific ordering suffix and frequency tolerance against the official datasheet before procurement. Ensure the 1.8V supply voltage aligns with system requirements. Confirm the 4-SMD package dimensions fit the PCB footprint. Check for RoHS compliance status if required by project specifications.

Selection Notes

Select this component when a precise 57.573667 MHz clock source is required with low power consumption capabilities. The LVCMOS interface ensures compatibility with standard digital logic families. The integrated power-down feature makes it suitable for battery-operated devices requiring extended standby times.

Part Context

This part belongs to the Mercury Electronics 18QHTF series of quartz crystal oscillators. The series offers various frequencies and voltage options within a standardized small form factor. Mercury Electronics is a specialized manufacturer of frequency control products including crystals and oscillators.

Replacement Considerations

Direct substitutes must match the 57.573667 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify pinout compatibility and electrical characteristics with alternative manufacturers' components before integration.