18QHTF21-45.4545-PD

Oscillators Overview

The 18QHTF21-45.4545-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 45.4545 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, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated standby mode for power reduction
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

• General clock signal generation
• Digital circuit timing reference
• Embedded system synchronization

Oscillators Procurement Notes

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

Oscillators Selection Notes

Select this component when a 45.4545 MHz clock source is required with low power consumption capabilities. The LVCMOS output is suitable for standard digital logic families. Consider the physical size of the 4-SMD package for space-constrained designs. Verify that the manufacturer's specified performance metrics meet your application's jitter and stability requirements.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in frequency control products. The series typically offers various frequencies within a standardized small form factor. Mercury Electronics has a long history in quartz crystal manufacturing, providing reliable timing solutions for electronic components.

Oscillators Replacement Considerations

Direct substitutes must match the 45.4545 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD package. Cross-reference with other manufacturers offering identical pinouts and electrical characteristics to ensure functional compatibility without redesigning the PCB.