18QHTF21-8.388608-PD

Overview

The 18QHTF21-8.388608-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 8.388608 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a standby or power-down function to manage energy consumption efficiently. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0x1.6 mm. This component is engineered for reliable performance within specified operating temperature ranges, suitable for digital signal processing applications requiring precise clock timing.

Feature Summary

• Supports low-voltage operation at 1.8V for modern electronic systems
• Includes standby mode capability for effective power management
• Provides stable LVCMOS output signals for digital interfaces
• Utilizes a compact surface-mount package design

Applications

• Digital signal processing circuits
• Communication equipment clocking
• Microcontroller system timing
• Portable electronic devices

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure that the 1.8V supply voltage aligns with your system's power rails. Confirm that the 4-SMD package footprint matches your PCB layout constraints. Check the operating temperature range specifications to ensure compatibility with your environmental conditions. Always refer to the official datasheet for detailed electrical characteristics and reliability data.

Selection Notes

Select this oscillator when a precise 8.388608 MHz clock source is required for LVCMOS-compatible digital circuits. Consider the 1.8V supply voltage requirement and the availability of a standby function for power-sensitive designs. Evaluate the physical size constraints of the 2.0x1.6 mm package against your board space limitations. Compare performance metrics such as phase noise and stability if available in the official documentation to ensure suitability for your specific application needs.

Part Context

This component belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequencies and packaging options for different digital applications. The 'PD' suffix indicates the inclusion of a power-down feature. Mercury Electronics specializes in frequency control products, providing solutions for diverse electronic industries. This specific model represents a compact solution for timing-critical applications requiring low voltage operation.

Replacement Considerations

Direct substitutes may include other 8.388608 MHz LVCMOS oscillators with identical 1.8V supply and 4-SMD 2.0x1.6mm footprint. Verify pinout compatibility and electrical parameters such as current consumption and output swing. Ensure thermal and mechanical specifications match the original design requirements. Consult manufacturer cross-reference lists for validated alternatives.