18QHTF21-16.388-PD

Oscillators Overview

The 18QHTF21-16.388-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 16.388 MHz and utilizes LVCMOS output logic levels. The device is designed for low-power applications, featuring a supply voltage of 1.8V and a standby mode for power-down functionality. It is housed in a compact 4-SMD, no-lead package, suitable for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes standby mode capability for power management
• Utilizes a lead-free 4-SMD surface-mount package

Oscillators Applications

• Digital signal processing circuits requiring precise clock timing
• Communication systems utilizing standard frequency references
• Embedded systems with low-voltage power constraints

Oscillators Procurement Notes

Verify the specific suffix PD against the manufacturer's current documentation to ensure it aligns with the required temperature range and tolerance specifications. Confirm that the 4-SMD no-lead package dimensions match the target PCB footprint. Ensure the 1.8V supply voltage requirement is compatible with the system design before procurement.

Oscillators Selection Notes

Select this component when a 16.388 MHz reference is required with LVCMOS outputs. Consider the 1.8V operating voltage and standby feature for power-sensitive designs. Evaluate the 4-SMD package size against available board space. Compare performance against other Mercury oscillators if different frequencies or voltages are needed.

Oscillators Part Context

This part belongs to the QHTF series of standard crystal oscillators from Mercury Electronics. The series typically offers various frequencies and voltage options within small form factors. The 18QHTF21 variant specifically denotes the 1.8V supply and 16.388 MHz frequency configuration within this product line.

Oscillators Replacement Considerations

Direct substitutes may include other 16.388 MHz LVCMOS oscillators in 4-SMD packages from manufacturers like SiTime or Epson, provided pinout and electrical parameters match. Verify equivalent frequency stability and load capacitance requirements.