18QHTF21-70.007-OE

Overview

The 18QHTF21-70.007-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co. Ltd. It operates at a frequency of 70.007 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.

Feature Summary

• LVCMOS output logic for digital interfacing
• Integrated enable and disable functionality
• Compact 4-SMD no-lead surface mount package

Applications

• General purpose clock signal generation
• Digital system timing references
• Embedded electronics requiring low voltage operation

Procurement Notes

Verify the specific suffix against official manufacturer documentation to confirm exact electrical characteristics and pinout configuration. Ensure compatibility with target board layout and voltage requirements before integration. Cross-reference part numbers with authorized distributors to avoid counterfeit components.

Selection Notes

Select this component when a precise 70.007 MHz clock source is required in a low-profile surface mount format. Consider the 1.8V operating voltage and LVCMOS interface compatibility with downstream logic circuits. Evaluate thermal and mechanical constraints associated with the 4-SMD package type.

Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in frequency control products. The series offers various standard frequencies with consistent packaging and electrical interfaces, facilitating design reuse across different product lines requiring synchronized timing signals.

Replacement Considerations

Consult official substitution lists for direct equivalents. Verify that alternative oscillators match the 70.007 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package dimensions to ensure mechanical and electrical compatibility without circuit redesign.