18QHTF21-57.403667-OE

Overview

The 18QHTF21-57.403667-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 57.403667 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features an enable/disable control function to manage power consumption. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. The operating temperature range extends from -40°C to +85°C, ensuring reliability in various electronic environments.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes hardware enable/disable pin for power management
• Compact surface-mount package suitable for space-constrained designs

Applications

• Digital signal processing systems
• Communication equipment clock sources
• Embedded system timing references

Procurement Notes

Verify the specific suffix 'OE' against the manufacturer's current datasheet to confirm the enable/disable functionality and voltage level. Ensure the required frequency tolerance and load capacitance match the target circuit design. Confirm the package outline drawing matches the PCB footprint requirements before finalizing procurement orders.

Selection Notes

Select this component when a precise 57.403667 MHz reference is required in a 1.8V logic environment. Consider the enable/disable feature if power efficiency is critical. Compare alternative frequencies within the same series if exact matching is not possible. Verify thermal performance requirements against the specified operating temperature range.

Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequencies and voltage options. The 'OE' suffix typically denotes specific operational characteristics such as enable pins. This model is part of Mercury's broader portfolio of quartz-based timing solutions.

Replacement Considerations

Direct substitutes may include other 57.403667 MHz LVCMOS oscillators with identical 1.8V supply and 4-SMD no-lead packages. Verify electrical parameters and pinout compatibility before substitution. Check for equivalent enable/disable functionality if present in the original design.