18QHTF21-59.904-PD

Overview

The 18QHTF21-59.904-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 59.904 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and features a standby or power-down function for energy management. It is housed in a compact 4-SMD, no-lead package with dimensions of 2.0x1.6 mm.

Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby and power-down functionality
• Utilizes LVCMOS output logic

Applications

• General electronic circuits requiring precise timing
• Embedded systems utilizing LVCMOS interfaces
• Portable devices requiring low-power consumption modes

Procurement Notes

Verify the specific operating temperature range and load capacitance requirements against the target application design before procurement. Ensure that the PCB footprint matches the 4-SMD no-lead package dimensions to guarantee proper soldering and mechanical stability during assembly processes.

Selection Notes

Select this component when a 59.904 MHz clock signal is required within a 1.8V logic environment. Consider the physical size constraints of the 2.0x1.6 mm package and the necessity for power-down capabilities in battery-operated designs compared to higher voltage alternatives.

Part Context

This model belongs to the QHTF series of surface-mount oscillators from Mercury Electronics. The series is characterized by small form factors and compatibility with low-voltage digital logic families, serving as a critical timing source for modern miniaturized electronic assemblies.

Replacement Considerations

Direct substitutes include other 59.904 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation, such as the 18QHTF21-59.904 from compatible manufacturers, provided pinout and electrical specifications align.