18QHTF21-20.348928-PD

Oscillators Overview

The 18QHTF21-20.348928-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a fixed frequency of 20.348928 MHz and utilizes LVCMOS output logic levels. The device is designed for a supply voltage of 1.8V and features a standby or power-down function to manage energy consumption during inactive periods. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm, suitable for surface-mount assembly processes.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby and power-down functionality
• Utilizes LVCMOS output interface

Oscillators Applications

• Digital signal processing circuits
• Communication equipment clocking
• Embedded system timing references

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout specifications to guarantee proper solder joint formation and mechanical stability during assembly.

Oscillators Selection Notes

Select this component when a precise 20.348928 MHz reference is required for LVCMOS-compatible digital logic. Consider the 1.8V operating voltage constraint and the necessity for power-down capabilities. Evaluate the 2.0x1.6 mm package size against available board space constraints to ensure compatibility with high-density surface-mount designs.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronic Ind. Co., Ltd, a manufacturer specializing in frequency control products since 1973. The series typically offers various frequency options within a standardized small outline package format, catering to applications requiring reliable quartz-based timing solutions in consumer and industrial electronics.

Oscillators Replacement Considerations

Direct substitutes must match the 20.348928 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify electrical parameters such as phase noise and jitter specifications against the original datasheet to ensure functional equivalence in the application.