18QHTF21-27.15469-PD

Oscillators Overview

The 18QHTF21-27.15469-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co. Ltd. It operates at a fixed frequency of 27.15469 MHz with an LVCMOS output logic level. The device requires a 1.8V supply voltage and features a Standby function for power down control. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes standby capability to reduce power consumption during idle states
• Utilizes a lead-free surface-mount package for automated assembly

Oscillators Applications

• General clock signal generation in electronic circuits
• Timing reference for digital systems requiring 27.15469 MHz
• Portable devices utilizing low-voltage 1.8V operation

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before integration. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the 4-SMD no-lead package footprint matches the PCB design guidelines provided by Mercury Electronics.

Oscillators Selection Notes

Select this component when a precise 27.15469 MHz timing source is required within a constrained space. The 1.8V operating voltage makes it suitable for modern low-power applications. The standby feature allows for energy management strategies in battery-operated devices. Verify environmental specifications if the application involves extreme temperatures.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronic Ind. Co. Ltd, a manufacturer specializing in quartz crystals and oscillators. The series typically offers various frequencies and package options. Mercury Electronics has a long history in the Taiwan quartz industry, providing frequency control solutions for diverse electronic markets.

Oscillators Replacement Considerations

Direct substitutes must match the 27.15469 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package. Check for equivalent standby functionality and pinout compatibility. Consult the manufacturer's cross-reference list for verified alternatives.