18QHTF21-27.700-PD

Oscillators Overview

The 18QHTF21-27.700-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 27.7 MHz with an LVCMOS output logic interface. The device requires a supply voltage of 1.8V and features a power-down standby mode for energy efficiency. It is housed in a compact 4-SMD, no-lead package with dimensions of 2.0 x 1.6 mm. This component is designed for applications requiring precise timing signals within low-power electronic systems.

Oscillators Feature Summary

• LVCMOS output logic interface
• Power-down standby mode capability
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

• General purpose clock signal generation
• Low-power embedded systems
• Digital circuit timing references

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your system design before procurement. Confirm that the 1.8V supply voltage aligns with your target platform's power rails. Ensure the 2.0x1.6mm footprint matches your PCB layout constraints. Check for any specific reflow soldering profile recommendations provided in the official datasheet to ensure reliable assembly.

Oscillators Selection Notes

Select this oscillator when a stable 27.7 MHz reference is required in space-constrained designs. The LVCMOS output is suitable for direct interfacing with standard digital logic families. Consider the power-down feature if battery life or thermal management is critical. Verify compatibility with the target microcontroller or FPGA clock input specifications.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies within a small SMD form factor. The series is characterized by low power consumption and high stability. Mercury Electronics specializes in quartz crystals and oscillators, providing timing solutions for consumer and industrial electronics.

Oscillators Replacement Considerations

Direct replacements must match the 27.7 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Cross-reference with other manufacturers offering similar low-profile oscillators, ensuring pinout and electrical characteristics are identical.