18QHTF21-20.3964-PD

Oscillators Overview

The 18QHTF21-20.3964-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 20.3964 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, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports low-voltage operation with 1.8V supply
• Includes standby mode for power reduction
• Utilizes LVCMOS output interface

Oscillators Applications

• Embedded systems requiring precise clocking
• Portable electronic devices needing low power consumption
• Communication modules utilizing LVCMOS interfaces

Oscillators Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required voltage levels and output types. Confirm that the 4-SMD no-lead package matches your PCB footprint requirements. Check datasheet specifications for operating temperature ranges and load capacitance values before integration into final designs.

Oscillators Selection Notes

Select this component when a 20.3964 MHz clock source is required with low voltage constraints. Ensure the system design accommodates the 1.8V supply rail and LVCMOS signal levels. Consider the physical dimensions of the 4-SMD package during layout planning to ensure adequate spacing and thermal management.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series offers various frequencies and voltage options. The -PD suffix typically indicates specific packaging or functional characteristics defined by the manufacturer. This model provides a stable clock reference for digital circuits.

Oscillators Replacement Considerations

Cross-reference with other 20.3964 MHz XO components in the same package. Verify pinout compatibility and electrical parameters such as frequency stability and phase noise. Ensure substitute parts support the same 1.8V supply and LVCMOS output standards.