18QHTF21-70.002-OE

Overview

The 18QHTF21-70.002-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 70.002 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature. 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 control functionality
• Compact 4-SMD no-lead surface mount package

Applications

• General purpose clock signal generation
• Digital system timing references
• Embedded controller clock sources

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system power rails. Ensure the 4-SMD package footprint matches your PCB layout constraints. Check for any specific RoHS compliance documentation if required for your manufacturing standards.

Selection Notes

Select this component when a stable 70.002 MHz clock source is required with low voltage operation. The LVCMOS output ensures direct interfacing with standard digital logic families. Consider the enable pin utility for power management strategies. Evaluate the small form factor suitability for space-constrained designs compared to larger through-hole alternatives.

Part Context

This part belongs to the 18QHTF21 series of quartz crystal oscillators from Mercury Electronics. The series offers various frequencies within the standard XO category. These components are designed for high-performance applications requiring reliable frequency stability. The manufacturer specializes in frequency control products with extensive industry experience.

Replacement Considerations

Direct substitutes must match the 70.002 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify pinout compatibility and electrical specifications precisely. Cross-reference with other Mercury Electronics variants or equivalent industry parts ensuring identical functional parameters.