18QHTF21-70.65104-OE

Overview

The 18QHTF21-70.65104-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd, operating at a frequency of 70.65104 MHz. It utilizes LVCMOS output logic and supports a supply voltage of 1.8V. The device features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Feature Summary

• LVCMOS output interface
• Enable/Disable control functionality
• Compact 4-SMD no lead package

Applications

• General purpose clock signal generation
• Digital circuit timing reference
• Embedded system clock sources

Procurement Notes

Verify the exact part number suffix against official Mercury Electronics documentation to ensure correct frequency and package specifications. Confirm that the 1.8V supply requirement aligns with your system design before procurement. Cross-reference datasheet parameters for temperature range and load conditions.

Selection Notes

Select this component when a stable 70.65104 MHz clock source is required with low voltage operation. Ensure the application supports LVCMOS logic levels and can accommodate the enable/disable pin configuration. Verify board space constraints match the 4-SMD footprint dimensions provided in the official mechanical drawing.

Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies within a small form factor. The series is known for providing reliable quartz-based timing solutions for consumer and industrial electronics, leveraging the manufacturer's long history in crystal production.

Replacement Considerations

Direct substitutes must match the 70.65104 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Check Mercury Electronics catalogs for other variants in the 18QHTF21 series or comparable oscillators from other manufacturers with identical electrical and mechanical specifications.