18QHTF21-42.880-OE

Oscillators Overview

The 18QHTF21-42.880-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd, designed for precision timing applications in electronic circuits. It operates at a nominal frequency of 42.88 MHz and utilizes LVCMOS output logic to ensure compatibility with various digital systems. The device is powered by a single 1.8V supply voltage and includes an enable/disable control function for power management flexibility. Housed in a compact 4-SMD, No Lead package, it supports surface-mount assembly processes. The component is engineered to provide stable clock signals within specified operating temperature ranges, ensuring reliable performance in consumer electronics and industrial equipment requiring accurate frequency references.

Oscillators Feature Summary

• LVCMOS output logic for direct interface with digital components
• Integrated enable/disable pin for active power control
• Compact 4-SMD no-lead surface mount package design
• Standard crystal oscillator configuration for general timing needs

Oscillators Applications

• Precision timing circuits in embedded systems
• Clock generation for microprocessors and memory interfaces
• Consumer electronics requiring stable frequency references
• Industrial control systems needing reliable oscillator sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD package dimensions fit within your PCB layout constraints. Check for any specific environmental ratings if operating in extreme temperatures. Always refer to the official datasheet for complete electrical specifications and handling instructions.

Oscillators Selection Notes

Select this oscillator when a 42.88 MHz frequency is required with LVCMOS outputs. Consider the 1.8V supply constraint and enable/disable functionality for power-sensitive designs. Evaluate the 4-SMD package size against available board space. Compare stability requirements against other Mercury Electronics models if tighter tolerances are needed. Ensure compatibility with existing clock distribution networks in the target application.

Oscillators Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequencies with consistent LVCMOS outputs and 1.8V operation. The 'OE' suffix typically denotes specific packaging or testing configurations. This model provides a mid-range frequency option within the series, suitable for applications not requiring ultra-high frequencies but demanding precise timing accuracy.

Oscillators Replacement Considerations

Direct replacements must match the 42.88 MHz frequency, LVCMOS output type, and 1.8V supply voltage. Verify package compatibility with the 4-SMD no-lead form factor. Check if alternative manufacturers offer equivalent timing specifications. Ensure any substitute maintains similar enable/disable functionality. Cross-reference with Mercury Electronics' current product lineup for updated versions.