18QHTF21-45.584-PD

Oscillators Overview

The 18QHTF21-45.584-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 45.584 MHz with an LVCMOS output logic level. The device requires a supply voltage of 1.8V and features a power-down function for standby mode control. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm. This component is designed for timing applications requiring precise clock signals in space-constrained electronic systems.

Oscillators Feature Summary

• LVCMOS output interface for digital circuit compatibility
• Integrated power-down capability for energy management
• Compact surface-mount footprint suitable for dense PCB layouts

Oscillators Applications

• General-purpose digital timing circuits
• Embedded system clock generation
• Consumer electronics internal synchronization

Oscillators Procurement Notes

Verify the specific suffix PD indicates the power-down feature against the manufacturer datasheet. Confirm the operating temperature range and load capacitance requirements match the target design specifications. Ensure the 1.8V supply voltage aligns with the system power rails before integration.

Oscillators Selection Notes

Select this model when a low-voltage 1.8V operation is required alongside a small form factor. The LVCMOS output is suitable for direct interfacing with standard logic families. Consider the power-down pin availability if system-level power management is a priority for the application design.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies within a standardized 2.0x1.6 mm package. The series supports multiple output voltages and logic types, providing flexibility for different timing needs while maintaining consistent physical dimensions for board layout standardization across product lines.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 series variants with identical electrical parameters but different frequencies, such as 18QHTF21-44.530-PD or 18QHTF21-68.084-PD, provided the frequency difference is acceptable for the application.