18QHTF21-19.16928-PD

Oscillators Overview

The 18QHTF21-19.16928-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fundamental frequency of 19.16928 MHz and utilizes an LVCMOS output signal format. The device is designed for a supply voltage of 1.8V and features a Standby (Power Down) control mode to manage power consumption. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Generates a stable 19.16928 MHz clock signal using LVCMOS logic levels
• Operates with a 1.8V power supply and includes a standby function for power management
• Utilizes a small-footprint 4-SMD no-lead package for efficient board space utilization

Oscillators Applications

• Digital signal processing circuits requiring precise clock synchronization
• Communication systems utilizing 19.16928 MHz base frequencies
• Embedded microcontroller systems needing low-power oscillators

Oscillators Procurement Notes

Verify the exact datasheet specifications directly from Mercury Electronics Ind. Co. Ltd before integration. Confirm that the 1.8V supply and LVCMOS output compatibility match your system requirements. Ensure the 4-SMD package dimensions align with your PCB footprint design to avoid assembly issues.

Oscillators Selection Notes

Select this component when a specific 19.16928 MHz frequency is required for digital timing. The 1.8V operating voltage makes it suitable for modern low-voltage logic families. The standby feature allows for power optimization in battery-operated or energy-efficient designs compared to always-on alternatives.

Oscillators Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequency options within a consistent 4-SMD form factor. The 'PD' suffix indicates the presence of a power-down control pin, distinguishing it from models without standby capabilities.

Oscillators Replacement Considerations

Direct substitutes must match the 19.16928 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify electrical parameters such as load capacitance and drive level against the original datasheet to ensure circuit stability.