18QHTF21-4.998125-PD

Oscillators Overview

The 18QHTF21-4.998125-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 4.998125 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a Standby (Power Down) control function. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Standard XO configuration with LVCMOS output
• Integrated standby power down control
• Compact 4-SMD no lead package

Oscillators Applications

• General purpose clock generation
• Embedded system timing
• Consumer electronics

Oscillators Procurement Notes

Verify the specific suffix 'PD' indicates the Standby (Power Down) functionality as documented. Confirm the 1.8V supply voltage requirement matches the target circuit design. Ensure the 4-SMD No Lead package dimensions are compatible with the PCB footprint. Cross-reference the exact frequency of 4.998125 MHz against system requirements.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside power management capabilities. The LVCMOS interface ensures compatibility with standard digital logic families. Consider the small form factor for space-constrained designs. Verify that the standby feature aligns with power efficiency goals.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronic Ind. Co., Ltd, a supplier specializing in quartz crystals and oscillators. The series offers various frequencies and packages. This specific model provides a fixed frequency solution with power-down control, differing from enable/disable variants.

Oscillators FAQ

What does the PD suffix indicate?

The PD suffix denotes that the oscillator includes a Standby (Power Down) control pin.

What is the output logic type?

The output logic type is LVCMOS.