18QHTF21-20.200-PD

Oscillators Overview

The 18QHTF21-20.200-PD is a 20.2 MHz crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It utilizes LVCMOS output logic and operates with a supply voltage of 1.8V. The device features a standby or power-down mode capability for energy efficiency. It is housed in a compact 4-SMD, No Lead package suitable for surface-mount applications.

Oscillators Feature Summary

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

Oscillators Applications

• General-purpose clock generation
• Embedded system timing references
• Portable electronic devices requiring low power

Oscillators Procurement Notes

Verify the specific suffix 'PD' against official datasheets to confirm power-down feature availability. Ensure the operating temperature range meets environmental requirements. Cross-reference the 4-SMD no-lead package dimensions with PCB footprint libraries before finalizing design integration.

Oscillators Selection Notes

Select this component when a 20.2 MHz frequency is required with low voltage constraints. Consider the LVCMOS interface compatibility with downstream digital logic. Evaluate the thermal performance within the specified -40°C to 85°C range for the intended application environment.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz-based frequency control products. The manufacturer has extensive experience in Taiwan's crystal industry, producing various oscillators including TCXOs and VCXOs alongside standard XOs.

Oscillators Replacement Considerations

Check for direct substitutes such as the 18QHTF21-20.200-OE variant, noting potential differences in lifecycle status or specific electrical tolerances. Verify pinout and package compatibility before substituting.