18QHTF21-18.4322-PD

Oscillators Overview

The 18QHTF21-18.4322-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 18.4322 MHz and utilizes an LVCMOS output interface. The device is designed for a supply voltage of 1.8V and features a standby or power-down capability to manage energy consumption. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby mode for power management
• Utilizes LVCMOS output signal format

Oscillators Applications

• General-purpose digital timing circuits
• Embedded systems requiring stable clock sources
• Portable electronic devices utilizing low-power components

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the PCB footprint matches the 2.0x1.6 mm SMD package dimensions to guarantee proper assembly and electrical connectivity during manufacturing.

Oscillators Selection Notes

Select this component when a precise 18.4322 MHz reference is required in space-constrained designs. The choice depends on the need for LVCMOS compatibility and low-voltage operation. Consider the power-down feature if energy efficiency is critical. Validate that the operating temperature range meets environmental specifications for the intended application environment.

Oscillators Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronic. The series offers various frequencies within a standardized 2.0x1.6 mm package. The '-PD' suffix indicates the inclusion of a power-down function. This family targets applications needing reliable timing in small form factors with moderate power constraints.

Oscillators Replacement Considerations

Direct substitutes must match the 18.4322 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify pinout compatibility and electrical characteristics before swapping manufacturers.