18QHTF21-42.000-OE

Oscillators Overview

The 18QHTF21-42.000-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 42 MHz and utilizes LVCMOS output logic levels. The device requires a supply voltage of 1.8V and features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm. This component is designed for applications requiring precise timing signals within low-voltage digital systems.

Oscillators Feature Summary

• LVCMOS output logic interface
• Integrated enable/disable control functionality
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

• Digital clock signal generation
• Microprocessor timing references
• Communication interface synchronization

Oscillators Procurement Notes

Verify the specific operating temperature range and load capacitance requirements against the target application design before procurement. Confirm that the 1.8V supply voltage aligns with the system power architecture. Ensure the LVCMOS output swing is compatible with the receiving input thresholds of the connected logic devices to guarantee reliable signal integrity.

Oscillators Selection Notes

Select this oscillator when a 42 MHz reference is required in space-constrained designs. The 1.8V operation suits modern low-power digital circuits. Consider the enable pin utility for power-sensitive applications. Evaluate the 2.0x1.6 mm footprint against available PCB real estate. Compare performance metrics such as phase noise and stability if the application demands high precision timing standards beyond basic clocking needs.

Oscillators Part Context

This part belongs to the Mercury Electronics 18QHTF21 series of surface-mount crystal oscillators. The series offers various frequencies and supply voltages. The suffix OE indicates RoHS compliance. Mercury Electronics specializes in frequency control products including crystals and oscillators. This specific model provides a standardized solution for embedded timing applications.

Oscillators Replacement Considerations

Direct substitutes include other 42 MHz LVCMOS oscillators in 2.0x1.6mm packages from different manufacturers. Verify pin compatibility and electrical specifications. Cross-reference with Mercury Electronics part numbers offering identical frequency and voltage but different packaging options.