18QHTF21-70.5375-OE

Overview

The 18QHTF21-70.5375-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 70.5375 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.

Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable/disable functionality for power management
• Compact 4-SMD no-lead surface mount package design

Applications

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

Procurement Notes

Verify the specific suffix OE against official Mercury Electronics documentation to confirm exact electrical tolerances and pinout configuration. Ensure the selected variant matches the required 1.8V supply and LVCMOS output requirements for the target application circuit design.

Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside standard LVCMOS signaling levels. The small form factor suits space-constrained designs. Confirm that the 70.5375 MHz frequency aligns precisely with the system clock requirements before integration.

Part Context

This part belongs to the QHTF series of quartz oscillators from Mercury Electronics. The series offers various frequencies and packages. This specific model represents a standard XO variant optimized for low-power digital applications requiring stable frequency generation.

Replacement Considerations

Direct substitutes must match the 70.5375 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify pin compatibility and electrical specifications with alternative manufacturers before replacement.