QTM325-14.31818MBB-T

Overview

The QTM325-14.31818MBB-T is a standard crystal oscillator manufactured by QST, operating at a frequency of 14.31818 MHz. It features a CMOS output type and requires a supply voltage of 3.3V. The device exhibits a frequency stability of ±50 ppm and is housed in a surface-mount package with dimensions of 3.2mm x 2.5mm.

Feature Summary

• Surface mount construction for automated assembly
• CMOS output signal compatibility
• Standard XO functionality

Applications

• Embedded system clock generation
• Microcontroller timing references
• Digital communication interfaces

Procurement Notes

Verify the specific suffix 'BB' against the manufacturer's current datasheet to confirm exact stability and load capacitance specifications. Ensure the 3.3V supply requirement aligns with the target circuit design. Confirm the 3.2x2.5mm footprint matches the PCB layout constraints before finalizing procurement orders.

Selection Notes

Select this component when a precise 14.31818 MHz reference is required for digital logic circuits. The CMOS output ensures direct interfacing with standard logic families without additional buffering. Consider the ±50 ppm stability tolerance relative to system timing requirements and verify thermal performance within the specified operating range.

Part Context

This part belongs to the QTM325 series of standard oscillators from QST. The series provides compact, low-power timing solutions for portable and space-constrained electronic applications. The model number indicates specific frequency and package characteristics within this product line.

Replacement Considerations

Cross-reference with other QTM325 variants such as QTM325-14.31818MBD-T if different stability or enable/disable functions are needed. Verify pinout compatibility and electrical parameters before substituting with components from other manufacturers.