18QHTF21-56.650-PD

Overview

The 18QHTF21-56.650-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co. Ltd. It operates at a frequency of 56.65 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. 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 standby mode for power reduction
• Surface-mount 4-SMD no lead package design

Applications

• Digital signal processing systems
• Communication equipment timing
• Microcontroller clock sources

Procurement Notes

Verify the specific ordering suffix to ensure correct frequency and package configuration. Confirm that the LVCMOS output type matches the target circuit requirements. Check datasheet specifications for operating temperature range and load capacitance to ensure system compatibility before finalizing procurement orders.

Selection Notes

Select this component when a 56.65 MHz clock source with LVCMOS outputs is required. Ensure the system design accommodates the 1.8V supply voltage constraint. Verify that the 4-SMD footprint aligns with the PCB layout constraints and that the thermal characteristics meet the application environment standards.

Part Context

This part belongs to the Mercury Electronic XO series, focusing on standard frequency control solutions. The manufacturer specializes in quartz crystals and oscillators, providing timing components for various electronic industries. This specific model represents a standard fixed-frequency oscillator option within their portfolio.

Replacement Considerations

Direct substitutes must match the 56.65 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD package. Cross-reference pinouts and electrical characteristics carefully. Consult official replacement lists from Mercury Electronic for verified compatible alternatives.