18QHTF21-81.88542-OE

Overview

The 18QHTF21-81.88542-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 81.88542 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 suitable for surface mount applications.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Integrates enable and disable functionality for power management
• Utilizes a 4-SMD no lead package for surface mount assembly

Applications

• Digital signal processing systems requiring precise clock timing
• Communication equipment utilizing standard frequency references
• Embedded systems with low voltage logic requirements

Procurement Notes

Verify the specific frequency tolerance and operating temperature range against the official datasheet before procurement. Confirm that the 1.8V supply voltage aligns with the target system design. Ensure the 4-SMD package dimensions fit within the available PCB space constraints.

Selection Notes

Select this component when a standard LVCMOS oscillator is required at 81.88542 MHz. Consider the 1.8V supply requirement and the need for an enable pin during system design. Evaluate the 4-SMD form factor against board layout restrictions and thermal management needs.

Part Context

This part belongs to the 18QHTF21 series of standard oscillators from Mercury Electronics. The series typically offers various frequencies with LVCMOS outputs. The suffix OE indicates a specific configuration or ordering variant within the manufacturer's product line.

Replacement Considerations

Check for direct substitutes within the 18QHTF21 series offering identical frequency and package. Verify compatibility with other LVCMOS oscillators providing 81.88542 MHz at 1.8V. Ensure any replacement matches the enable/disable pin functionality and physical footprint.