18QHTF21-40.5504-PD

Oscillators Overview

The 18QHTF21-40.5504-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 40.5504 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features a compact surface-mount package with dimensions of 2.0 x 1.6 mm and a height of 0.6 mm. The component supports standby functionality via a power-down pin, allowing for energy conservation when the oscillator is not in active use.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby mode capability through power-down control
• Utilizes LVCMOS output logic for digital interfacing

Oscillators Applications

• Portable electronic devices requiring low power consumption
• Communication equipment utilizing standard clock signals
• Embedded systems with limited voltage supply constraints

Oscillators Procurement Notes

Verify that the specific part number matches the required frequency and package type before ordering. Confirm that the 1.8V supply voltage aligns with your system design. Ensure compatibility with LVCMOS logic levels in your circuit. Check for any specific handling requirements associated with small outline packages during assembly.

Oscillators Selection Notes

Select this component when a precise 40.5504 MHz clock source is needed in a minimal footprint. Consider the 1.8V operating requirement to ensure proper voltage regulation in the target application. Evaluate the need for standby functionality if power management is critical. Verify that the LVCMOS output is compatible with the receiving logic inputs.

Oscillators Part Context

This model belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series offers various frequencies within a standardized 2.0x1.6mm package. These components are designed for high-volume production environments where space and power efficiency are primary design constraints.

Oscillators Replacement Considerations

Direct replacements must match the 40.5504 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package dimensions. Verify pinout compatibility and electrical characteristics before substitution.