18QHTF21-46.800-PD

Oscillators Overview

The 18QHTF21-46.800-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 46.8 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

• Standard XO configuration with LVCMOS output interface
• Integrated standby mode for power reduction
• Compact 4-SMD no-lead surface mount packaging

Oscillators Applications

• General purpose clock signal generation
• Digital circuit timing references
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your design specifications before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD footprint matches your PCB layout constraints. Cross-reference the datasheet for operating temperature range compliance to guarantee reliability under intended environmental conditions.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside a standard LVCMOS interface. The 46.8 MHz frequency is specific; ensure it matches the target clock requirement rather than using generic alternatives. Consider the standby feature if power efficiency during idle states is a priority. Verify compatibility with the host device's input threshold levels for reliable signal integrity.

Oscillators Part Context

This part belongs to the Mercury Electronics 18QHTF21 series of surface-mount oscillators. The series offers various frequencies including 8 MHz, 21.5 MHz, 38.68 MHz, 51.2 MHz, and 96.768 MHz. All variants share similar electrical characteristics and packaging, differing primarily in their nominal output frequency and potentially specific tolerance grades defined in the manufacturer's catalog.

Oscillators Replacement Considerations

Direct substitutes include other 46.8 MHz LVCMOS oscillators from Mercury Electronics such as the 18QHTF21-46.800 without the PD suffix if power-down functionality is not critical. Other manufacturers offering 46.8 MHz in 4-SMD packages may serve as functional replacements provided voltage, current, and pinout compatibility are verified.