18QHTF21-13.5291-PD

Overview

The 18QHTF21-13.5291-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 13.5291 MHz and utilizes LVCMOS output logic. 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 with dimensions of 2.00mm x 1.60mm.

Feature Summary

• Supports low voltage operation at 1.8V
• Includes standby and power-down functionality
• Utilizes LVCMOS output logic

Applications

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

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 no-lead package footprint matches your PCB layout to guarantee proper soldering and mechanical stability during assembly.

Selection Notes

Select this component when a precise 13.5291 MHz reference is required for low-power applications. The LVCMOS interface ensures compatibility with standard digital logic families. Consider the small form factor for space-constrained designs. Verify thermal performance within the specified operating temperature range to maintain frequency stability under varying environmental conditions.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystals and oscillators. The manufacturer has decades of experience in Taiwan's frequency control industry. This series typically offers standard XO configurations with various frequency options and supply voltages to meet diverse electronic timing needs.

Replacement Considerations

Direct substitutes include other 18QHTF21 variants with different frequencies such as 18QHTF21-6.760-PD or 18QHTF21-18.1059-PD if frequency adjustment is acceptable. Cross-reference with similar 4-SMD LVCMOS oscillators from other manufacturers ensuring identical pinout and voltage specifications.