18QHTF21-74.212912-OE

Overview

The 18QHTF21-74.212912-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 74.212912 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes hardware enable and disable functionality for power management
• Utilizes a leadless SMD package for automated assembly integration

Applications

• Digital signal processing systems
• Communication equipment clocking
• Embedded system timing references

Procurement Notes

Verify the specific suffix against official Mercury Electronics documentation to confirm electrical characteristics and pinout configuration. Ensure the selected variant matches the required operating temperature range and supply voltage specifications for the target application environment before finalizing procurement.

Selection Notes

Select this component when a 74.212912 MHz reference with LVCMOS outputs is required. Consider the 1.8V supply constraint and the need for an enable pin. Evaluate the 4-SMD no-lead footprint against PCB layout constraints and thermal requirements relative to alternative oscillator packages.

Part Context

This part belongs to the Mercury Electronics XO series, which provides standard frequency control solutions. The manufacturer specializes in quartz crystals and oscillators, offering various form factors including TCXO and VCXO options within their broader product portfolio for diverse timing needs.

Replacement Considerations

Cross-reference with other 74.212912 MHz LVCMOS oscillators in 4-SMD packages. Verify voltage levels and enable logic polarity match. Check mechanical dimensions for direct board replacement compatibility.