18QHTF21-16.257-PD

Oscillators Overview

The 18QHTF21-16.257-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 16.257 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 requiring precise timing signals.

Oscillators Feature Summary

• Supports low-voltage operation with integrated standby capability
• Provides stable LVCMOS clock signal generation
• Utilizes leadless surface-mount packaging for board integration

Oscillators Applications

• Digital signal processing systems
• Communication equipment timing circuits
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V supply rail is stable to ensure proper oscillator startup and performance. Ensure the PCB footprint matches the 4-SMD no-lead package dimensions provided in the official datasheet to avoid assembly issues.

Oscillators Selection Notes

Select this component when a precise 16.257 MHz reference is required with low power consumption constraints. The LVCMOS interface ensures compatibility with standard digital logic families. Consider the operating temperature range specified in the documentation to guarantee reliability under your specific environmental conditions.

Oscillators Part Context

This model belongs to the Mercury Electronics XO series, which focuses on standard clock oscillators. The brand has extensive experience in quartz crystal manufacturing, providing reliable frequency control solutions. This specific part represents a standard configuration within their portfolio of surface-mount timing devices.

Oscillators Replacement Considerations

Direct substitutes must match the 16.257 MHz frequency, LVCMOS output, and 1.8V supply voltage. Verify pinout compatibility for the 4-SMD no-lead package. Cross-reference with other Mercury Electronics models in the same series if availability is an issue.