18QHTF21-42.3724-PD

Oscillators Overview

The 18QHTF21-42.3724-PD is a crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 42.3724 MHz with LVCMOS output logic and a supply voltage of 1.8V. The device features a Standby (Power Down) function and utilizes a 4-SMD, No Lead package.

Oscillators Feature Summary

• Supports Standby mode for power management
• Utilizes LVCMOS output logic
• Compact surface-mount package design

Oscillators Applications

• General clock signal generation
• Digital circuit timing
• Embedded systems

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before procurement. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the 4-SMD package footprint matches the PCB layout to prevent assembly issues.

Oscillators Selection Notes

Select this component when a precise 42.3724 MHz clock source is required for low-voltage digital applications. The LVCMOS interface ensures compatibility with standard logic families. Consider the power-down feature if energy efficiency during idle states is a critical design constraint.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series typically offers various frequencies within a compact form factor, designed for modern electronic devices requiring reliable timing signals in space-constrained environments.

Oscillators Replacement Considerations

Direct substitutes must match the 42.3724 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify pinout compatibility and electrical specifications with alternative manufacturers before integration.