18QHTF21-19.6875-OE

Oscillators Overview

The 18QHTF21-19.6875-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 19.6875 MHz with an LVCMOS output signal. The device supports a supply voltage of 1.8V and features an Enable/Disable control function. It is housed in a compact 4-SMD, No Lead package.

Oscillators Feature Summary

• LVCMOS output interface for digital logic compatibility
• Integrated enable/disable control functionality
• Compact surface-mount package design

Oscillators Applications

• General purpose clock generation
• Digital signal processing systems
• Embedded controller timing

Oscillators Procurement Notes

Verify the specific ordering suffix to confirm the exact frequency and package variant. Ensure the supply voltage matches the system requirement of 1.8V. Confirm the enable/disable pin configuration aligns with the circuit design before procurement.

Oscillators Selection Notes

Select this component when a precise 19.6875 MHz clock source is required in a small form factor. Consider the LVCMOS output level and 1.8V operating voltage constraints. Evaluate the need for active control via the enable pin against alternative always-on oscillator options.

Oscillators Part Context

This part belongs to the 18QHTF series of surface-mount oscillators from Mercury Electronics. The series offers various frequencies and packages, providing standardized timing solutions for consumer and industrial electronics requiring low-profile components.

Oscillators Replacement Considerations

Cross-reference with other 19.6875 MHz LVCMOS oscillators in 4-SMD packages. Verify electrical compatibility including voltage, current consumption, and pinout definitions before substitution.