18QHTF21-33.1776-OE

Oscillators Overview

The 18QHTF21-33.1776-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 33.1776 MHz and utilizes LVCMOS output logic. The device requires a supply voltage of 1.8V and features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This component is designed for applications requiring precise timing signals within low-voltage digital systems.

Oscillators Feature Summary

• LVCMOS output logic provides compatible signal levels for digital circuits
• Integrated enable/disable functionality allows for active power management
• Compact surface-mount package design suitable for space-constrained layouts

Oscillators Applications

• Digital clock signal generation
• Timing reference for microprocessors
• Communication interface synchronization

Oscillators Procurement Notes

Verify the specific ordering suffix to ensure the correct frequency and package variant are selected. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Check the datasheet for enable pin configuration requirements to ensure proper integration into the circuit design.

Oscillators Selection Notes

Select this component when a 33.1776 MHz frequency is required with LVCMOS outputs. Ensure the 1.8V operating voltage matches the system architecture. Consider the 2.0x1.6mm footprint for PCB layout constraints. Verify thermal performance specifications against the application environment.

Oscillators Part Context

This oscillator belongs to the Mercury Electronics SMD XO series, which includes various frequencies and packages. The 18QHTF21 series specifically targets low-profile applications. Mercury Electronics specializes in quartz-based frequency control products, including crystals, oscillators, and filters, serving global electronics markets.

Oscillators Replacement Considerations

Direct substitutes include other 33.1776 MHz LVCMOS oscillators in 4-SMD No Lead packages with 1.8V operation. Verify pinout compatibility and electrical parameters before substitution. Cross-reference part numbers from other manufacturers offering equivalent timing solutions.