18QHTF21-3.57954-OE

Oscillators Overview

The 18QHTF21-3.57954-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 3.57954 MHz and requires a 1.8V supply voltage. The device utilizes LVCMOS output logic levels, ensuring compatibility with low-voltage digital circuits. It features an Enable/Disable control function for power management. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly processes.

Oscillators Feature Summary

• LVCMOS output interface
• Enable/Disable functionality
• 1.8V supply operation

Oscillators Applications

• General clock signal generation
• Low-voltage digital systems
• Surface-mount electronics assembly

Oscillators Procurement Notes

Verify the exact frequency specification against official datasheets, as similar part numbers may differ slightly in decimal precision. Confirm that the 1.8V supply requirement aligns with system design constraints. Ensure the 4-SMD No Lead package footprint matches PCB layout specifications before procurement.

Oscillators Selection Notes

Select this component when a precise 3.57954 MHz clock source is required for 1.8V logic families. Consider the Enable/Disable feature if power efficiency during idle states is critical. Evaluate the small form factor against available board space constraints.

Oscillators Part Context

This oscillator belongs to the QHTF21 series from Mercury Electronic, designed for standard timing applications. The series typically offers various frequencies and voltage options within a consistent SMD package profile, facilitating standardized design-in processes across different product lines.

Oscillators Replacement Considerations

Direct substitutes include other 3.57954 MHz, 1.8V LVCMOS oscillators in 4-SMD packages. Verify pinout compatibility and electrical parameters such as load capacitance and drive strength before substitution.