18QHTF21-64.200-OE

Overview

The 18QHTF21-64.200-OE is a quartz crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 64.2 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 2.0x1.6 mm.

Feature Summary

• Generates a precise 64.2 MHz clock signal using LVCMOS output logic for digital circuit compatibility.
• Operates on a low 1.8V power supply to support energy-efficient system designs.
• Features an integrated enable/disable pin for dynamic power management and system control.

Applications

• Clock generation for high-speed digital communication interfaces
• Timing reference for embedded microprocessors and controllers
• Synchronization sources for data acquisition systems

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system's power rails. Ensure the PCB footprint matches the 4-SMD No Lead package dimensions to prevent assembly errors during manufacturing.

Selection Notes

Select this component when a stable 64.2 MHz timing source is required for low-voltage digital applications. Consider the LVCMOS output swing compatibility with downstream logic levels. Evaluate the thermal performance and operating temperature range to ensure reliability under the intended environmental conditions.

Part Context

This part belongs to the standard XO series from Mercury Electronics, designed for general-purpose clocking needs. The manufacturer specializes in quartz crystals and oscillators, offering various packages and frequencies. This specific model represents a compact solution for space-constrained electronic devices requiring precise frequency stability.

Replacement Considerations

Direct substitutes must match the 64.2 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package. Verify electrical parameters such as phase noise and jitter specifications to ensure functional equivalence in the application.