18QHTF21-19.668-PD

Oscillators Overview

The 18QHTF21-19.668-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 19.668 MHz and utilizes LVCMOS output logic levels. The device is designed for a supply voltage of 1.8V and includes a standby or power-down function to manage energy consumption. 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 logic compatibility
• Integrated standby mode for power management
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

• General-purpose digital circuit timing
• Embedded systems clock generation
• Consumer electronics signal synchronization

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your design specifications before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD package footprint matches your PCB layout constraints. Check for any specific operating temperature range limitations required by your application environment.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside a standard LVCMOS output. The choice is driven by the need for a small form factor via the 4-SMD package. Consider the standby feature if power efficiency during idle states is a critical design parameter for the target electronic assembly.

Oscillators Part Context

This part belongs to the Mercury Electronics XO series, which provides standard frequency control solutions. The manufacturer has a history of producing quartz-based frequency products. This specific model represents a surface-mount variant designed for modern electronic assemblies requiring reliable clock sources.

Oscillators Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Direct replacements must be verified through official manufacturer cross-reference lists or equivalent electrical specification matching.