18QHTF21-19.984-OE

Oscillators Overview

The 18QHTF21-19.984-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 19.984 MHz and utilizes LVCMOS output logic levels. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature for power management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• LVCMOS output interface for digital compatibility
• Integrated enable/disable functionality
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

• Timing and clock signal generation in electronic devices
• Digital circuit synchronization
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific ordering suffix to ensure the correct frequency and package variant matches the design requirements. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Check for RoHS compliance status if environmental regulations apply to the manufacturing process. Ensure the enable pin configuration supports the intended power management strategy.

Oscillators Selection Notes

Select this component when a 19.984 MHz clock source is required with low voltage operation. The LVCMOS output ensures compatibility with standard digital logic families. Consider the small form factor for space-constrained PCB layouts. Verify that the enable feature meets power efficiency goals compared to always-on oscillators.

Oscillators Part Context

Mercury Electronics Ind. Co. Ltd has been manufacturing frequency control products since 1973. They are recognized as a pioneer in the quartz crystal industry in Taiwan. This company specializes in producing various oscillators and resonators for diverse electronic applications.

Oscillators Replacement Considerations

Cross-reference part numbers such as 18QHTF21-44.200-OE or 18QHTF21-37.200-OE for similar packages but different frequencies. Ensure any substitute maintains the 1.8V operating voltage and LVCMOS output type. Verify package dimensions match the 4-SMD no-lead footprint.