18QHTF21-13.540-PD

Overview

The 18QHTF21-13.540-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd, operating at a frequency of 13.54 MHz. It utilizes LVCMOS output logic and functions with a supply voltage of 1.8V. The component features a standby or power-down mode capability for energy efficiency. It is housed in a compact 4-SMD, No Lead package, specifically identified as a 4-VDFN type with dimensions of 3.2x2.5 mm. This device belongs to the QuikXO series, designed for fast delivery and surface mount applications.

Feature Summary

• Supports low-voltage operation at 1.8V with LVCMOS output compatibility
• Includes standby and power-down functionality for reduced power consumption
• Utilizes a small form factor 4-SMD No Lead package for space-constrained designs

Applications

• General purpose clock signal generation in digital circuits
• Timing reference for microprocessors and microcontrollers
• Data communication interface synchronization

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 3.2x2.5mm footprint matches your PCB layout constraints. Check for any specific reflow soldering profile recommendations provided in the official datasheet to ensure reliable assembly and long-term performance stability.

Selection Notes

Select this component when a precise 13.54 MHz timing source is required with low power consumption capabilities. The LVCMOS output ensures compatibility with standard digital logic families. Consider the 1.8V operating voltage if your system relies on low-power domains. The surface-mount package facilitates automated assembly processes. Evaluate the need for standby modes if power management is critical to your application's operational lifecycle.

Part Context

This oscillator is part of Mercury Electronics' QuikXO series, which focuses on rapid availability and standard CMOS output formats. The brand specializes in quartz crystals and oscillators, offering various frequency control solutions. The 18QHTF21 series typically denotes specific size and pin configuration standards within their product line, catering to modern electronics requiring compact timing components.

Replacement Considerations

Direct substitutes may include other 13.54 MHz LVCMOS oscillators in 4-SMD packages from different manufacturers, provided electrical parameters match. Verify pinout compatibility and thermal characteristics. Cross-reference specifications for jitter and phase noise if high precision is required. Ensure the replacement supports the same 1.8V supply and standby functionality.