18QHTF21-13.421772-OE

Overview

The 18QHTF21-13.421772-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 13.421772 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm. This component is suitable for applications requiring precise timing signals within low-voltage digital systems.

Feature Summary

• Integrates LVCMOS output logic for direct interfacing with digital circuits
• Includes hardware enable and disable functionality for power management
• Utilizes a small form factor 4-SMD no lead package design

Applications

• General purpose clock signal generation in embedded systems
• Timing reference for microcontrollers and processors
• 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 PCB footprint matches the 2.0x1.6mm 4-SMD no lead package dimensions to prevent assembly issues. Check for any specific reflow soldering profile recommendations provided by the manufacturer to ensure reliability.

Selection Notes

Select this component when a stable 13.421772 MHz clock source is required for low-voltage logic families. The LVCMOS output is appropriate for standard CMOS inputs without additional buffering. Consider the enable pin if dynamic power saving is necessary during idle periods. The small package size makes it suitable for space-constrained portable or dense electronic devices.

Part Context

This part belongs to the 18QHTF series of surface-mount crystal oscillators from Mercury Electronics. The series typically offers various frequencies and voltage options. The 'OE' suffix often denotes specific packaging or operational characteristics defined by the manufacturer. Mercury Electronics is a established supplier of frequency control products, emphasizing precision quartz technology.

Replacement Considerations

Direct replacements must match the 13.421772 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no lead package. Verify pinout compatibility and electrical specifications such as rise/fall times and duty cycle. Cross-reference with other manufacturers offering similar SMD oscillators to ensure functional equivalence.