18QHTF21-2.090-PD

Oscillators Overview

The 18QHTF21-2.090-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fundamental frequency of 2.09 MHz and utilizes LVCMOS output logic levels. The device requires a single 1.8V supply voltage and features a standby mode for power-down functionality. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• LVCMOS output interface
• 1.8V supply voltage operation
• Standby power-down capability
• 4-SMD no lead package

Oscillators Applications

• General clock signal generation
• Digital system timing references
• Embedded microcontroller clocks
• Portable electronic devices

Oscillators Procurement Notes

Verify the specific suffix 'PD' against the manufacturer's official documentation to confirm the exact pinout and electrical characteristics. Ensure the 1.8V supply requirement aligns with the target system design. Confirm the 4-SMD no lead package dimensions match the PCB footprint specifications before finalizing the procurement order.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V supply is available and LVCMOS compatibility is required. The 2.09 MHz frequency suits applications needing precise timing without high-frequency demands. Consider the standby feature for power-sensitive designs. Verify that the 4-SMD package fits the available board space constraints.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series offers various frequencies and supply voltages. The 'PD' suffix typically indicates specific packaging or handling characteristics defined by the manufacturer. This model represents a standard XO variant within the broader product line.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 series parts with identical 1.8V LVCMOS specifications and 4-SMD packages. Cross-reference frequency stability and operating temperature ranges. Verify pin-to-pin compatibility if replacing with different manufacturers' equivalents.

Oscillators FAQ

What is the output logic type?

The output logic type is LVCMOS.

Does it support power-down?

Yes, the device includes a standby mode for power-down functionality.