18QHTF21-49.4333-OE

Overview

The 18QHTF21-49.4333-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 49.4333 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.5mm x 2.0mm.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Features integrated enable and disable control functionality
• Designed for low-voltage operation at 1.8V

Applications

• General clock signal generation in electronic circuits
• Timing reference for digital systems requiring 49.4333 MHz
• Embedded devices utilizing LVCMOS interfaces

Procurement Notes

Verify the specific suffix 'OE' corresponds to the required enable/disable function and LVCMOS output type. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the 4-SMD no-lead package footprint matches the PCB design constraints before finalizing procurement.

Selection Notes

Select this component when a precise 49.4333 MHz timing source is required for low-power applications. The choice is driven by the need for LVCMOS compatibility and the specific physical size constraints of the 2.5x2.0mm package. Consider the enable pin requirement if power management during idle states is necessary for the design.

Part Context

This part belongs to the Mercury Electronics XO series, which provides standard frequency control solutions. The manufacturer specializes in quartz crystals and oscillators, offering various packages and frequencies. This specific model represents a surface-mount option designed for modern compact electronics manufacturing.

Replacement Considerations

Direct substitutes must match the 49.4333 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.5x2.0mm package. Verify electrical parameters and pinout compatibility to ensure seamless integration without circuit redesign.