18QHTF21-12.80028-OE

Overview

The 18QHTF21-12.80028-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 12.80028 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes enable/disable control capabilities. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Feature Summary

• Provides stable clock signals via LVCMOS output interface
• Supports active enable and disable control functionality
• Designed for low-voltage operation at 1.8V
• Utilizes a leadless surface-mount package for board integration

Applications

• Embedded systems timing
• Industrial automation controllers
• General-purpose clock distribution

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 no-lead footprint matches your PCB land pattern to guarantee proper soldering and mechanical stability during assembly processes.

Selection Notes

Select this component when a precise 12.80028 MHz reference is required for digital logic interfacing. Consider the LVCMOS compatibility with downstream microcontrollers or FPGAs. Evaluate the thermal performance within the specified operating temperature range to ensure long-term reliability in the intended environment without exceeding voltage limits.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronic Ind. Co., Ltd, a manufacturer specializing in quartz crystals and frequency control products. The series typically offers various standard frequencies tailored for embedded and industrial applications, providing reliable oscillation solutions for timing-critical electronic designs.

Replacement Considerations

Direct substitutes must match the 12.80028 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD no-lead package dimensions. Verify pinout compatibility and electrical specifications before swapping.