18QHTF21-20.480-PD

Oscillators Overview

The 18QHTF21-20.480-PD is a crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 20.48 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage of 1.8V and includes a standby function for power down capabilities. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports low voltage operation at 1.8V
• Includes standby mode for power management
• Utilizes LVCMOS output interface

Oscillators Applications

• Industrial control systems
• Embedded digital circuits
• Communication equipment timing

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before procurement. Ensure the 4-SMD no-lead package footprint matches the PCB design. Confirm that the 1.8V supply voltage aligns with the target system's power rails to avoid compatibility issues during integration.

Oscillators Selection Notes

Select this component when a stable 20.48 MHz clock source is required for low-power digital applications. The LVCMOS interface ensures compatibility with standard logic families. Consider the physical dimensions of the 4-SMD package for space-constrained designs. Verify thermal performance and operating temperature range specifications to ensure reliability under intended environmental conditions.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies including 6.8 MHz, 51.2 MHz, and 96.768 MHz. These components are designed for general-purpose timing applications requiring small form factors and low power consumption.

Oscillators Replacement Considerations

Direct substitutes include other 20.48 MHz XO devices with identical 1.8V LVCMOS specifications and 4-SMD packages. Cross-reference pinouts and electrical characteristics carefully. Alternative models from different manufacturers may require schematic adjustments if output drive strengths differ.