18QHTF21-87.900-OE

Overview

The 18QHTF21-87.900-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 87.9 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 with dimensions of 2.0mm x 1.6mm.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Integrates enable/disable functionality for power management
• Utilizes a leadless SMD package for surface-mount assembly

Applications

• General clock signal generation in electronic circuits
• Timing reference sources for digital systems
• Embedded system clock inputs

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout specifications to guarantee proper soldering and mechanical stability during operation.

Selection Notes

Select this component when a precise 87.9 MHz timing source is required within space-constrained designs. The choice depends on the necessity for LVCMOS outputs and low-voltage operation. Evaluate thermal performance and frequency stability needs relative to the operating temperature range specified in the official datasheet to ensure reliable long-term performance.

Part Context

This part belongs to the 18QHTF21 series of standard oscillators from Mercury Electronics. The series offers various frequencies within a small form factor. The suffix indicates specific electrical characteristics and packaging details defined by the manufacturer for this particular variant.

Replacement Considerations

Consult official cross-reference lists for direct substitutes. Verify pinout compatibility and electrical parameters such as voltage and current consumption before replacing.