18QHTF21-18.944-PD

Oscillators Overview

The 18QHTF21-18.944-PD is a crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 18.944 MHz and utilizes LVCMOS output levels. The device functions with a supply voltage of 1.8V and features a Standby (Power Down) control mode. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby power-down functionality
• Provides standard LVCMOS output signal

Oscillators Applications

• General-purpose digital timing circuits
• Embedded systems requiring low-power oscillators
• Consumer electronics with space constraints

Oscillators Procurement Notes

Verify the exact datasheet specifications directly from Mercury Electronics Ind. Co. Ltd before integration. Confirm that the 1.8V supply and LVCMOS interface align with your system requirements. Ensure the 4-SMD no-lead package footprint matches your PCB design guidelines to avoid assembly issues.

Oscillators Selection Notes

Select this component when a 18.944 MHz frequency is required alongside low power consumption. The 1.8V operating voltage makes it suitable for modern low-voltage logic families. The integrated standby feature allows for power management strategies in battery-operated devices.

Oscillators Part Context

This model belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series typically offers various frequencies within a small form factor. Mercury Electronics is a recognized manufacturer of quartz crystals and frequency control products based in Taiwan.

Oscillators Replacement Considerations

No specific substitute part numbers are publicly confirmed for this model. Cross-reference with other 18.944 MHz LVCMOS oscillators in the 4-SMD package only if electrical parameters match exactly.