QTM252-54.0054MBD-T

Overview

The QTM252-54.0054MBD-T is a standard clock oscillator manufactured by QST Corporation, designed for precise timing applications in electronic circuits. This component operates at a nominal frequency of 54.0054 MHz and utilizes CMOS output logic levels suitable for digital interfacing. It features a compact surface-mount package with dimensions of 2.5 mm by 2.0 mm, facilitating integration into space-constrained designs. The device is powered by a single 3.3V supply voltage and offers a frequency stability of ±25 ppm. It is constructed using quartz crystal technology housed in a ceramic package, ensuring reliable performance across various industrial and commercial environments.

Feature Summary

• Compact 2.5x2.0 mm surface-mount footprint for space-efficient PCB layouts
• High frequency stability of ±25 ppm for accurate timing synchronization
• CMOS output interface compatible with standard digital logic families
• Single 3.3V power supply operation for low-voltage system integration

Applications

• Precision timing references in embedded systems and microcontrollers
• Clock signal generation for communication interfaces such as UART and SPI
• Timing sources for consumer electronics and home appliances
• Synchronization components in industrial control equipment

Procurement Notes

Verify the manufacturer designation carefully, as this part number is associated with QST Corporation, while similar identifiers may appear under other vendors like TXC. Confirm the specific suffix 'BD' corresponds to the ±25 ppm stability and 3.3V operation parameters. Ensure the ordering quantity matches the reel packaging specifications provided by authorized distributors. Cross-reference the datasheet revision to guarantee compatibility with current production standards.

Selection Notes

Select this oscillator when a small form factor is required alongside high frequency accuracy. The ±25 ppm stability makes it suitable for applications where tight timing tolerance is critical. Consider the 3.3V operating voltage to ensure compatibility with the target system's power rails. Evaluate the CMOS output drive capability against the input requirements of the receiving circuitry to ensure signal integrity without additional buffering.

Part Context

This component belongs to the QTM252 series of surface-mount quartz oscillators from QST Corporation. The series is characterized by its miniature 2.5x2.0 mm package size, which supports dense PCB routing. These oscillators are engineered to provide stable clock signals for modern digital electronics, replacing larger through-hole or older SMD packages. The specific model variant defines the unique frequency and stability characteristics within this product family.

Replacement Considerations

Direct substitutes include the QTM252-54.0054MBE-T, which shares the same package and frequency but may differ in stability or temperature range. Verify that any replacement maintains the 3.3V supply requirement and CMOS output type. Check if alternative models from QST or other manufacturers offer equivalent ±25 ppm stability and identical pinout configurations to ensure seamless integration.