18QHTF21-19.66089-OE

Oscillators Overview

The 18QHTF21-19.66089-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 19.66089 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage of 1.8V and includes an enable/disable control function for power management. It is housed in a compact 4-SMD, no lead package, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• LVCMOS output interface for digital logic compatibility
• Integrated enable/disable pin for power control
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

• Timing and clock signal generation in electronic devices
• Digital communication systems requiring precise frequency references
• Embedded systems with low-voltage logic interfaces

Oscillators Procurement Notes

Verify the exact frequency tolerance and load capacitance specifications from the official datasheet before integration. Confirm that the 1.8V supply requirement aligns with the target system's power rails. Ensure the enable/disable pin configuration matches the design requirements for power management strategies.

Oscillators Selection Notes

Select this component when a 19.66089 MHz reference is required with LVCMOS outputs. Consider the 1.8V operating voltage and the need for an enable/disable feature. The 4-SMD package size should fit within the available PCB real estate constraints for the specific application design.

Oscillators Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series offers various frequencies with consistent LVCMOS output and 1.8V operation. The suffix OE typically denotes specific packaging or tape-and-reel options as defined by the manufacturer.

Oscillators Replacement Considerations

Direct substitutes must match the 19.66089 MHz frequency, LVCMOS output type, 1.8V supply, and 4-SMD package. Verify pinout compatibility and electrical parameters such as phase noise and stability before substitution.