18QHTF21-1.54368-OE

Overview

The 18QHTF21-1.54368-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 1.54368 MHz and utilizes LVCMOS output logic. The device requires a supply voltage of 1.8V and features enable/disable functionality. It is housed in a compact 4-SMD, no lead package suitable for surface mount applications. The component supports an operating temperature range from -40°C to 85°C.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes enable and disable control function for power management
• Designed for surface mount assembly with a leadless SMD package

Applications

• General purpose clock signal generation in electronic circuits
• Timing reference for embedded systems requiring 1.54368 MHz
• Consumer electronics utilizing low voltage logic interfaces

Procurement Notes

Verify the specific frequency suffix matches the required 1.54368 MHz specification. Confirm that the 1.8V supply voltage aligns with the target circuit design. Ensure the 4-SMD package footprint is compatible with the PCB layout. Check the enable/disable pin configuration against system requirements.

Selection Notes

Select this component when a precise 1.54368 MHz timing source is needed for low voltage applications. Consider the LVCMOS output level compatibility with downstream logic devices. Evaluate the thermal performance within the specified -40°C to 85°C range for the intended environment.

Part Context

This part belongs to the 18QHTF21 series of standard oscillators from Mercury Electronics. The series offers various frequencies with consistent electrical characteristics. The model number indicates the specific frequency and package type within the product line.

Replacement Considerations

Direct substitutes must match the 1.54368 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify pinout compatibility before replacement.