18QHTF21-24.57696-PD

Oscillators Overview

The 18QHTF21-24.57696-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a nominal frequency of 24.57696 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features a power-down function to reduce consumption when not in use. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.

Oscillators Feature Summary

• Integrates LVCMOS output interface for digital circuit compatibility
• Supports standby mode via dedicated power-down control pin
• Utilizes surface-mount technology for automated assembly

Oscillators Applications

• Portable electronic devices requiring low-power clock sources
• Consumer electronics utilizing 1.8V logic families
• Embedded systems needing precise timing signals

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target system design before procurement. Confirm that the 1.8V supply rail stability meets the oscillator's operational specifications. Ensure the PCB footprint matches the 4-SMD No Lead package dimensions to prevent assembly errors during manufacturing.

Oscillators Selection Notes

Select this component when a 24.57696 MHz clock signal is required within a 1.8V logic environment. Consider the 2.0x1.6mm form factor for space-constrained layouts. Evaluate the need for power-down functionality to manage battery life in portable applications compared to continuous-operation alternatives.

Oscillators Part Context

This part belongs to the QHTF series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies and voltage options. The 'PD' suffix indicates the inclusion of a power-down feature. This specific model provides a standard frequency suitable for communication and data processing interfaces.

Oscillators Replacement Considerations

Direct substitutes include other 24.57696 MHz LVCMOS oscillators in 2.0x1.6mm packages with 1.8V operation. Verify pinout compatibility and electrical parameters such as phase noise and jitter before swapping manufacturers.