18QHTF21-85.064-OE

Overview

The 18QHTF21-85.064-OE is a quartz crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 85.064 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, designed for surface mount applications. This component provides stable clock signals suitable for digital systems requiring precise timing.

Feature Summary

• Generates a stable 85.064 MHz clock signal using quartz crystal technology
• Features LVCMOS output logic for direct interface with digital circuits
• Includes enable/disable functionality for power management control
• Designed for surface mount assembly in a compact 4-SMD package

Applications

• Digital system clock generation
• Data communication interfaces
• Embedded processor timing sources
• Consumer electronics timing circuits

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 PCB footprint matches the 4-SMD package dimensions provided in the official datasheet. Check for any specific operating temperature range limitations required by your application environment to guarantee reliable performance.

Selection Notes

Select this oscillator when a precise 85.064 MHz frequency is required for LVCMOS-compatible digital logic. Consider the 1.8V supply voltage constraint and ensure compatibility with your power distribution network. The enable/disable pin offers flexibility for power saving modes. Evaluate the thermal characteristics and size constraints of the 4-SMD package against your board layout requirements.

Part Context

This part belongs to the 18QHTF series of surface mount oscillators from Mercury Electronics. The series typically offers various frequencies and supply voltages. The 'OE' suffix often denotes an output enable feature. Mercury Electronics specializes in frequency control products, leveraging decades of experience in quartz crystal manufacturing. This specific model targets applications needing low-voltage operation and compact form factors.

Replacement Considerations

Direct substitutes must match the 85.064 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify pinout compatibility and electrical specifications such as jitter and phase noise if critical. Consult manufacturer cross-reference lists for equivalent parts from other suppliers ensuring identical functional parameters.