CM309A33.8688MABJT

Crystals Overview

The CM309A33.8688MABJT is a surface-mount crystal oscillator manufactured by Citizen Finedevice Co Ltd. It operates at a fundamental frequency of 33.8688 MHz with a load capacitance of 18 pF. The component utilizes a 4-SOJ package with a 5.08 mm spacing, measuring 13.90 mm in length and 8.65 mm in width. It supports CMOS and TTL output types and includes enable/disable functionality. The device is designed for standard clock applications within electronic circuits.

Crystals Feature Summary

• Provides stable 33.8688 MHz timing signals via CMOS or TTL outputs
• Integrates enable and disable control capabilities for power management
• Utilizes a compact surface-mount 4-SOJ package design

Crystals Applications

• Standard clock signal generation in digital systems
• Timing reference for microcontroller-based devices
• Communication interface synchronization modules

Crystals Procurement Notes

Verify the specific manufacturing date code and lot number upon receipt to ensure compliance with project requirements. Confirm that the received components match the exact part number designation, as variations may exist within the same series. Check for physical integrity of the package leads and ensure storage conditions meet specified humidity sensitivity levels prior to assembly.

Crystals Selection Notes

Select this component when a precise 33.8688 MHz frequency is required for synchronous digital logic. Ensure the host circuit supports the specified 18 pF load capacitance to maintain accuracy. Consider the enable/disable feature if dynamic power control is necessary. Verify that the 4-SOJ footprint aligns with the printed circuit board layout constraints.

Crystals Part Context

This model belongs to the CM309A series of surface-mount crystals from Citizen Finedevice. The series is characterized by high stability and reliability for general-purpose timing applications. Similar parts in the lineup offer different frequencies while maintaining consistent package dimensions and electrical characteristics for easy platform integration.

Crystals Replacement Considerations

Direct substitutes must match the 33.8688 MHz frequency, 18 pF load capacitance, and 4-SOJ package form factor. Verify that alternative sources provide identical CMOS/TTL output compatibility and enable/disable pin configurations to ensure functional parity without redesign.