18QHTF21-40.009-OE

Oscillators Overview

The 18QHTF21-40.009-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd, operating at a frequency of 40.009 MHz. It utilizes LVCMOS output logic and supports a supply voltage of 1.8V. The device features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications. This component serves as a precise clock source for digital circuits requiring stable frequency generation within the specified voltage and temperature ranges.

Oscillators Feature Summary

• LVCMOS output logic for direct interface with digital systems
• Integrated enable/disable control for power optimization
• Compact 4-SMD no-lead surface mount package design

Oscillators Applications

• Digital system clock generation
• Microcontroller timing sources
• Communication interface synchronization

Oscillators Procurement Notes

Verify the exact frequency specification of 40.009 MHz against system requirements. Confirm the 1.8V supply voltage compatibility with the target circuit design. Ensure the LVCMOS output logic level matches the receiving input thresholds. Check the 4-SMD no-lead package dimensions for PCB footprint alignment. Validate the enable/disable pin functionality if power control is required in the application.

Oscillators Selection Notes

Select this oscillator when a precise 40.009 MHz clock signal is needed with low voltage operation. Consider the LVCMOS output for straightforward integration with standard digital logic families. The enable/disable feature offers flexibility for power-sensitive designs. Evaluate the small form factor of the 4-SMD package for space-constrained layouts. Ensure the operating temperature range meets the environmental conditions of the end product.

Oscillators Part Context

This component belongs to the series of quartz-based clock oscillators produced by Mercury Electronics Ind. Co. Ltd, a manufacturer with extensive experience in frequency control products. The company specializes in various oscillators including TCXO, VCTCXO, and VCXO types. The 18QHTF21 series represents their standard XO offerings, providing reliable timing solutions for electronic devices requiring stable frequency references.

Oscillators Replacement Considerations

Direct substitutes must match the 40.009 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no-lead package. Verify pinout compatibility and electrical specifications before substitution. Cross-reference with other manufacturers' equivalent parts ensuring identical functional parameters.