QTM532-33.333MBE-T

Overview

The QTM532-33.333MBE-T is a standard clock oscillator manufactured by QST, operating at a nominal frequency of 33.3330 MHz. It utilizes CMOS output technology and is housed in a compact 4-SMD, No Lead surface-mount package with dimensions of 5.00mm x 3.20mm. The device supports a supply voltage of 3.3V and features an enable/disable function for power management. It offers a frequency stability of ±50ppm and operates within a temperature range of -40°C to +85°C. The maximum supply current is specified at 20mA, while the seated height is limited to 1.40mm.

Feature Summary

• CMOS output interface compatible with standard digital logic circuits
• Integrated enable and disable control functionality for power optimization
• Compact 4-SMD no-lead surface mount package design
• Wide industrial operating temperature range capability

Applications

• Standard clock signal generation for microprocessors
• Timing reference for communication interfaces
• General-purpose digital circuit synchronization

Procurement Notes

Verify the specific frequency tolerance and supply voltage requirements against the target system design before procurement. Confirm that the 4-SMD footprint matches the PCB layout constraints. Ensure the enable/disable pin configuration aligns with the control logic available in the application. Check for RoHS compliance status if required by regulatory standards. Validate the operating temperature range suitability for the intended environmental conditions.

Selection Notes

Select this component when a precise 33.333 MHz timing source is required for CMOS-based systems. Consider the ±50ppm stability specification against the jitter sensitivity of the receiving clock input. Evaluate the 20mA maximum current consumption against power budget limitations. Compare the physical dimensions and lead-free soldering requirements with existing assembly processes. Assess the need for active enable/disable control versus always-on operation.

Part Context

This part belongs to the QTM532 series of quartz crystal oscillators from QST. The series provides various frequency options in a standardized small outline package format. These components are designed to replace discrete crystal and oscillator circuits with a single integrated solution. The numbering convention indicates the specific frequency and package type within the product line.

Replacement Considerations

Direct substitutes include other QTM532 series variants with identical pinouts but different frequencies, such as QTM532-33.000MBE-T or QTM532-62.500MBE-T, provided the frequency difference is acceptable. Cross-manufacturer replacements require verification of pin compatibility, voltage levels, and output waveform characteristics.