18QHTF21-12.365487-PD

Overview

The 18QHTF21-12.365487-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 12.365487 MHz and utilizes LVCMOS output logic levels. The device requires a 1.8V supply voltage 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 assembly.

Feature Summary

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

Applications

• General clock signal generation
• Digital circuit timing references
• Embedded system synchronization

Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required voltage and load conditions. Confirm that the 4-SMD no-lead package matches the target PCB footprint. Check datasheet specifications for operating temperature range and stability requirements before integration into final designs.

Selection Notes

Select this component when a precise 12.365487 MHz reference is needed with low-power constraints. Ensure the design supports 1.8V logic levels. Consider the small form factor for space-constrained layouts. Verify thermal performance within the specified operating temperature range.

Part Context

This part belongs to Mercury Electronics' standard XO series, designed for reliable frequency control. The manufacturer specializes in quartz crystals and oscillators, offering various packages and frequencies. This specific model targets applications requiring stable timing with minimal power consumption.

Replacement Considerations

Direct substitutes may include other 12.365487 MHz LVCMOS oscillators in similar SMD packages from compatible manufacturers. Verify pinout compatibility and electrical parameters before substitution.