18QHTF21-45.7143-OE

Oscillators Overview

The 18QHTF21-45.7143-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 45.7143 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes enable/disable control capabilities. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• LVCMOS output logic compatibility
• Integrated enable/disable functionality
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

• High-performance digital systems
• Clock signal generation
• Embedded electronics

Oscillators Procurement Notes

Verify the specific suffix OE against official Mercury Electronic documentation to confirm pinout and electrical characteristics. Ensure the 1.8V supply requirement aligns with system design constraints. Confirm the 4-SMD package dimensions match PCB layout specifications before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a 45.7143 MHz clock source is required with LVCMOS interface standards. The 1.8V operating voltage suits low-power designs. The enable feature allows for power management integration. Verify thermal performance within the specified operating temperature range for the target application environment.

Oscillators Part Context

This oscillator belongs to the Mercury Electronic quartz crystal oscillator family, which includes TCXOs, VCTCXOs, and OCXOs. The company manufactures frequency control products, positioning itself as a pioneer in the Taiwan crystal industry since 1973. This model represents a standard XO variant within their broader portfolio.

Oscillators Replacement Considerations

The part number 18QHTF21-45.7143-PD exists within the same series but may differ in packaging or specific electrical parameters. Verify functional equivalence and pin compatibility before substituting. Consult official datasheets to ensure the alternative meets all voltage and logic requirements.