18QHTF21-31.3344-PD

Oscillators Overview

The 18QHTF21-31.3344-PD is a crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 31.3344 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports low-voltage operation with 1.8V supply
• Integrates standby mode for power reduction
• Provides standard LVCMOS signal output

Oscillators Applications

• Digital signal processing systems
• Communication equipment timing
• Embedded control circuits

Oscillators Procurement Notes

Verify the specific ordering suffix and frequency tolerance against project requirements before purchase. Confirm that the 4-SMD no-lead package dimensions align with the PCB footprint design. Ensure the 1.8V supply rail is stable to maintain oscillator performance. Check manufacturer documentation for reflow soldering profiles to prevent thermal damage during assembly.

Oscillators Selection Notes

Select this component when a 31.3344 MHz clock source is required for LVCMOS-compatible digital interfaces. Consider the 1.8V operating voltage constraint relative to the system's power architecture. Evaluate the need for standby functionality if power efficiency is critical. Verify that the small form factor fits within the available board space constraints.

Oscillators Part Context

This part belongs to the Mercury Electronic XO series, designed for general-purpose timing applications. The model number indicates a specific frequency variant within the broader product line. Mercury Electronics specializes in quartz-based timing solutions, including crystals and oscillators, serving various industrial and consumer electronics markets.

Oscillators Replacement Considerations

Direct substitutes must match the 31.3344 MHz frequency, LVCMOS output type, 1.8V voltage, and 4-SMD package. Verify pin compatibility and electrical characteristics before swapping. Generic replacements may differ in phase noise or stability specifications.