18QHTF21-84.73175-OE

Overview

The 18QHTF21-84.73175-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 84.73175 MHz and utilizes LVCMOS output logic levels. The component is designed for low-power applications with a supply voltage of 1.8V. It features an enable/disable control function to manage power consumption effectively. The device is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly on printed circuit boards.

Feature Summary

• LVCMOS output logic compatibility
• Enable/Disable control functionality
• Low-power design optimized for 1.8V operation

Applications

• Low-power electronic systems
• Clock signal generation in embedded devices
• Surface-mount circuit board assembly

Procurement Notes

Verify the specific frequency tolerance and stability requirements against your system design specifications before procurement. Confirm that the 1.8V supply voltage aligns with your target platform's power rails. Ensure the 4-SMD no-lead package dimensions fit within your PCB footprint constraints. Cross-reference the manufacturer datasheet for detailed electrical characteristics and recommended soldering profiles to ensure reliable integration.

Selection Notes

Select this component when a precise 84.73175 MHz clock source is required for LVCMOS-compatible digital circuits. The integrated enable/disable feature makes it suitable for battery-operated or power-sensitive designs where dynamic power management is critical. Consider the 1.8V operating voltage range to ensure compatibility with modern low-voltage logic families and microcontrollers.

Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequency options while maintaining consistent package dimensions and electrical interface standards. The 'OE' suffix typically denotes a specific ordering or packaging variant defined by the manufacturer. These components are widely used in consumer electronics and industrial equipment requiring stable clock signals.

Replacement Considerations

Direct substitutes must match the 84.73175 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD no-lead package. Verify pinout compatibility and thermal performance characteristics. Consult official cross-reference lists from Mercury Electronics for approved alternative part numbers.