18QHTF21-19.4304-PD

Oscillators Overview

The 18QHTF21-19.4304-PD is a crystal oscillator manufactured by Mercury Electronic Ind. Co. Ltd. It operates at a frequency of 19.4304 MHz and utilizes LVCMOS output logic levels. The device is designed for operation with a supply voltage of 1.8V. It features a standby mode for power down functionality. The component is housed in a compact 4-SMD, No Lead package suitable for surface mount applications.

Oscillators Feature Summary

• Supports LVCMOS output interface
• Includes standby power down capability
• Operates on 1.8V supply voltage

Oscillators Applications

• General purpose clock signal generation
• Digital circuit timing references
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before integration. Confirm that the 1.8V supply voltage aligns with the target system design. Ensure the 4-SMD no-lead package footprint matches the PCB layout specifications to guarantee proper soldering and mechanical stability during assembly processes.

Oscillators Selection Notes

Select this component when a precise 19.4304 MHz clock source is required for low-voltage digital systems. The LVCMOS output ensures compatibility with standard logic families operating at 1.8V. Consider the standby feature if power management is critical. Verify thermal performance and environmental ratings against application constraints to ensure long-term reliability in the intended operating conditions.

Oscillators Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronic. The series typically offers various frequencies and packaging options. Mercury Electronic is a manufacturer specializing in frequency control products, including quartz crystals and oscillators, with a history dating back several decades in Taiwan.

Oscillators Replacement Considerations

Check for direct substitutes within the same series such as 18QHTF21 variants with different frequencies. Cross-reference pinouts and electrical characteristics carefully. Ensure any replacement maintains the LVCMOS output type and 1.8V supply requirement.