18QHTF21-44.736-PD

Oscillators Overview

The 18QHTF21-44.736-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 44.736 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a power-down capability via standby mode control. It is housed in a compact 4-SMD, no-lead package with dimensions of 2.0mm x 1.6mm.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes standby power-down functionality for energy management
• Utilizes a small form factor 4-SMD no-lead package

Oscillators Applications

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

Oscillators Procurement Notes

Verify the specific ordering suffix to confirm the output load and tolerance specifications. Ensure the selected variant matches the required operating temperature range and supply voltage constraints for the target application design.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside a precise 44.736 MHz reference. Consider the 2.0x1.6mm footprint for space-constrained layouts requiring SMD mounting without leaded components.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The series offers various frequencies and packages tailored for modern electronic devices requiring stable clock signals.

Oscillators Replacement Considerations

Direct substitutes include other 44.736 MHz LVCMOS oscillators in 2.0x1.6mm packages from compatible manufacturers, provided pinout and electrical characteristics match.