18QHTF21-71.4875-OE

Overview

The 18QHTF21-71.4875-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 71.4875 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package designed for surface-mount assembly.

Feature Summary

• Supports active enable and disable control via input pin
• Generates stable clock signals using LVCMOS logic levels
• Designed for low-profile surface-mount integration

Applications

• Digital signal processing systems requiring precise timing
• Communication equipment utilizing standard clock interfaces
• Embedded systems with limited board space constraints

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V supply rail matches your system's power architecture. Ensure the 4-SMD footprint aligns with your PCB layout specifications to guarantee proper soldering and mechanical stability during operation.

Selection Notes

Choose this component when a fixed 71.4875 MHz frequency is required with low-voltage compatibility. The LVCMOS interface ensures direct connectivity to standard digital logic without additional buffering. Consider the enable feature if power management or clock gating is necessary for the target application environment.

Part Context

This model belongs to the Mercury Electronics XO series, which provides standard frequency generation solutions. The product line focuses on quartz-based oscillators suitable for various electronic devices. The manufacturer emphasizes reliability and precision in their frequency control products established since 1973.

Replacement Considerations

Check for exact frequency match and compatible supply voltage when substituting. Verify package dimensions and pin configuration to ensure physical interchangeability. Confirm that the replacement part supports the same LVCMOS output type and enable functionality.