18QHTF21-12.200-OE

Overview

The 18QHTF21-12.200-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 12.2 MHz and utilizes LVCMOS output logic. The device supports 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 2.0mm x 1.6mm.

Feature Summary

• Supports enable and disable functionality for power management
• Utilizes LVCMOS output logic for digital interface compatibility
• Designed in a small form factor SMD package

Applications

• Portable electronic devices requiring low power consumption
• Digital signal processing circuits
• Communication equipment clock sources

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply voltage aligns with your system's power rails. Confirm that the enable pin logic levels are compatible with your controlling microcontroller or FPGA to ensure proper operation of the oscillator's start-stop functionality.

Selection Notes

Select this component when a precise 12.2 MHz clock source is required in space-constrained applications. The 1.8V operating voltage makes it suitable for modern low-voltage digital systems. Consider the enable feature if dynamic power saving is necessary. Compare performance metrics such as phase noise and stability against other oscillators in the same series to determine the best fit for your specific timing requirements.

Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequencies and voltages, typically utilizing LVCMOS outputs. These components are designed for general-purpose clock generation in consumer electronics and industrial applications, providing reliable frequency control in a miniature surface-mount package.

Replacement Considerations

Compatible substitutes within the same series include 18QHTF21-12.000-OE and 18QHTF21-12.500-OE, provided the frequency difference is acceptable. Other variants like 18QHTF21-13.560-OE may serve as alternatives if different clock speeds are permissible. Always verify pinout and electrical specifications before substitution.