QTM252J-100.000MBJ-T

Overview

The QTM252J-100.000MBJ-T is a standard CMOS crystal oscillator manufactured by QST, operating at a frequency of 100 MHz. It features a 3.3V supply voltage and supports an enable/disable function for power management. The device exhibits a frequency stability of ±50ppm and operates within a temperature range of -40°C to +105°C. Maximum supply current is 22mA, with a maximum shutdown current of 18mA. The component utilizes a crystal resonator and is housed in a compact 4-SMD (No Lead) package measuring 2.50mm x 2.00mm.

Feature Summary

• Integrated enable and disable functionality for active power control
• Low jitter and phase noise performance suitable for precision timing applications
• Compact surface-mount design optimized for space-constrained PCB layouts

Applications

• High-speed data handling systems requiring precise clock synchronization
• FPGA configuration and timing circuits
• Communication equipment utilizing CMOS logic interfaces

Procurement Notes

Verify the specific manufacturer designation, as some sources list TXC Corporation while others list QST. Confirm the exact frequency tolerance and temperature range against the official datasheet before integration. Ensure the 4-SMD no-lead package dimensions align with the target footprint. Validate RoHS compliance status if required by project specifications.

Selection Notes

Select this component when a 100 MHz CMOS output is required with strict size constraints. The enable pin allows for dynamic power management, making it suitable for battery-operated or low-power designs. Verify that the ±50ppm stability meets the system's timing accuracy requirements across the specified industrial temperature range.

Part Context

This part belongs to the QTM252J series of standard oscillators. Variants within this series offer different frequencies such as 16 MHz, 75 MHz, and 11.2896 MHz, all sharing similar package dimensions and electrical characteristics. The series is designed for general-purpose timing applications requiring reliable CMOS outputs.

Replacement Considerations

Direct substitutes include other 100 MHz XO models from the same family, such as QTM252J-100.000MBJ. Cross-reference with equivalent parts from manufacturers like TXC Corporation, ensuring identical pinout, voltage, and frequency stability.