18QHTF21-90.02197-PD

Overview

The 18QHTF21-90.02197-PD is a quartz crystal oscillator manufactured by Mercury Electronic Ind Co., Ltd. It operates at a frequency of 90.02197 MHz with an LVCMOS output logic level. The device requires a supply voltage of 1.8V and features a surface-mount package measuring 2.0 x 1.6 mm. This component is designed for applications requiring precise timing signals within compact electronic systems.

Feature Summary

• Produces a stable 90.02197 MHz clock signal using quartz technology
• Utilizes LVCMOS output interface for digital circuit compatibility
• Operates on a low 1.8V power supply to reduce energy consumption
• Housed in a compact 2.0x1.6mm surface-mount package for space-constrained designs

Applications

• Digital signal processing equipment requiring precise clock synchronization
• Communication modules utilizing standard logic interfaces
• Embedded systems with limited board space constraints
• Consumer electronics powered by low-voltage logic circuits

Procurement Notes

Verify the exact frequency specification of 90.02197 MHz against system requirements before procurement. Confirm that the 1.8V operating voltage aligns with the target circuit design. Ensure the 2.0x1.6mm footprint matches the PCB layout. Check for any specific handling instructions regarding electrostatic discharge protection during installation.

Selection Notes

Select this component when a specific 90.02197 MHz frequency is mandatory for system operation. Consider the LVCMOS output type if interfacing with standard digital logic families. Evaluate the 1.8V requirement against available power rails. The small form factor makes it suitable for high-density board layouts where larger packages are not feasible.

Part Context

This part belongs to the Mercury Electronic Ind Co., Ltd oscillator series, which specializes in quartz-based frequency control products. The manufacturer has decades of experience in producing crystals and oscillators. The product line includes various SMD types designed for modern electronic applications requiring reliable timing solutions.

Replacement Considerations

The 3QHTF21-90.02197-PD is listed as an equivalent or alternate part number for this frequency and package configuration. Verify pinout and electrical specifications match before substitution.