18QHTF21-20.3563-PD

Oscillators Overview

The 18QHTF21-20.3563-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd, operating at a frequency of 20.3563 MHz. It utilizes LVCMOS output logic and functions with a 1.8V supply voltage. The device features a standby mode for power down capabilities. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise clock signals.

Oscillators Feature Summary

• LVCMOS output interface
• Standby (Power Down) capability
• Compact 4-SMD, No Lead package

Oscillators Applications

• Digital signal processing systems
• Communication equipment
• Embedded control units

Oscillators Procurement Notes

Verify the exact part number suffix against official Mercury Electronics documentation to ensure correct packaging and tape-and-reel specifications. Confirm that the 1.8V supply requirement aligns with your system design before procurement.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside a specific 20.3563 MHz frequency. Ensure the PCB layout supports the 4-SMD no-lead footprint and that the LVCMOS output levels are compatible with downstream logic inputs.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, designed for surface-mount integration. The series offers various frequencies within a small form factor, targeting portable electronics and high-density circuit boards where space and power efficiency are critical constraints.

Oscillators Replacement Considerations

Check for direct cross-reference part numbers from Mercury Electronics or authorized distributors. Verify pinout compatibility and electrical parameters such as load capacitance and drive level before substituting with alternative manufacturers' components.