18QHTF21-28.6364-PD

Oscillators Overview

The 18QHTF21-28.6364-PD is a quartz crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. This component operates at a nominal frequency of 28.6364 MHz and utilizes LVCMOS output logic for digital signal interfacing. It functions with a supply voltage of 1.8V and includes a standby or power-down feature to manage energy consumption during idle periods. The device is housed in a compact 4-SMD, No Lead package, designed for surface-mount assembly on printed circuit boards. It supports standard clock applications requiring precise timing signals within the specified operating temperature range.

Oscillators Feature Summary

• Integrates LVCMOS output logic for direct digital interface compatibility
• Supports low-power operation through dedicated standby and power-down modes
• Utilizes a leadless SMD package optimized for automated surface-mount manufacturing

Oscillators Applications

• Digital signal processing systems requiring precise clock synchronization
• Communication equipment utilizing standard logic level interfaces
• Portable electronic devices necessitating low-voltage power management

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target system design before procurement. Confirm that the 1.8V supply rail stability meets the oscillator's operational specifications. Ensure the PCB footprint matches the 4-SMD No Lead package dimensions provided in the official datasheet. Check for any specific reflow soldering profile recommendations to maintain component integrity during assembly processes.

Oscillators Selection Notes

Select this component when a 28.6364 MHz clock source is required with LVCMOS compatibility. Consider the 1.8V supply constraint and standby functionality for power-sensitive designs. Evaluate the thermal performance and operating temperature range against environmental conditions. Compare package size constraints with available board space to ensure mechanical fitment for the 4-SMD form factor.

Oscillators Part Context

This oscillator belongs to the Mercury Electronics 18QHTF21 series, which provides various frequency options within a standardized surface-mount package. The series is characterized by its use of quartz crystal technology for stable frequency generation. The PD suffix typically indicates specific packaging or testing configurations defined by the manufacturer. This model serves as a timing reference solution for embedded systems requiring reliable clock signals.

Oscillators Replacement Considerations

Direct replacements must match the 28.6364 MHz frequency, LVCMOS output type, and 1.8V supply voltage. Verify that alternative components support the same 4-SMD No Lead package outline. Ensure substitute parts offer comparable frequency stability and operating temperature ranges. Cross-reference pinout definitions if the replacement uses a different internal configuration.