18QHTF21-74.130-PD

Overview

The 18QHTF21-74.130-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 74.13 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.

Feature Summary

• LVCMOS output logic interface
• Integrated standby and power-down functionality
• Compact 4-SMD no-lead surface mount package

Applications

• General electronic timing circuits
• Digital signal processing systems
• Communication equipment clock sources

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply voltage aligns with your system's power rails. Confirm that the 4-SMD no-lead package dimensions fit within your PCB footprint constraints. Cross-reference the datasheet for operating temperature ranges to ensure environmental compatibility.

Selection Notes

Select this component when a precise 74.13 MHz reference is required with low-power standby capabilities. The LVCMOS output is suitable for direct interfacing with digital logic families. Consider the small form factor for space-constrained designs. Verify that the 1.8V operation matches your system's voltage domain to avoid level shifting issues.

Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series offers various frequencies and voltage options. Mercury Electronics is a Taiwan-based manufacturer specializing in quartz crystals and oscillators. The 'PD' suffix typically indicates specific packaging or handling characteristics defined by the manufacturer.

Replacement Considerations

Direct substitutes must match the 74.13 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD package. Check equivalent parts from other manufacturers offering similar timing specifications. Ensure thermal and electrical characteristics are compatible. Verify pinout compatibility if available.