18QHTF21-3.270-PD

Oscillators Overview

The 18QHTF21-3.270-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 3.27 MHz with an LVCMOS output logic level. The device requires a supply voltage of 1.8V and features a power-down function for standby mode control. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes power-down capability for energy management
• Utilizes LVCMOS output interface

Oscillators Applications

• General clock signal generation
• Embedded system timing references
• Portable electronic devices requiring low power consumption

Oscillators Procurement Notes

Verify the specific suffix 'PD' confirms the power-down functionality as documented. Ensure the operating voltage matches the 1.8V requirement of the target circuit design. Confirm the package footprint aligns with the 2.0x1.6 mm SMD no-lead specification during PCB layout review to ensure proper assembly compatibility.

Oscillators Selection Notes

Select this component when a precise 3.27 MHz reference is required alongside active power management capabilities. The small form factor suits space-constrained designs. Consider the LVCMOS output compatibility with downstream digital logic levels. Evaluate thermal performance within the specified operating temperature range for the intended application environment.

Oscillators Part Context

This part belongs to the Mercury Electronics 18QHTF series of surface-mount oscillators. The series offers various frequencies and voltage options. The 18QHTF21 variant specifically denotes the 1.8V supply and 4-pin SMD package configuration. This model provides a standardized solution for timing applications requiring minimal board space.

Oscillators Replacement Considerations

Cross-reference other 18QHTF21 models from Mercury Electronics for different frequencies or voltages. Verify pinout and dimensional compatibility before substituting with generic equivalents. Ensure replacement parts support the same LVCMOS output and power-down feature set.