18QHTF21-18.562-PD

Oscillators Overview

The 18QHTF21-18.562-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 18.562 MHz and utilizes LVCMOS output logic levels. The device supports 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, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports low-voltage operation with 1.8V supply requirement
• Includes power-down capability for energy-efficient standby modes
• Provides stable LVCMOS output signal generation

Oscillators Applications

• Digital clock signal distribution
• Microcontroller system timing references
• Communication interface synchronization

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V supply rail is stable within the specified operating range to ensure reliable oscillator performance. Check the datasheet for thermal management guidelines associated with the 4-SMD no-lead package configuration.

Oscillators Selection Notes

Select this component when a low-profile surface-mount oscillator is required for 1.8V logic systems. Ensure compatibility with LVCMOS input stages of downstream components. Consider the power-down feature if system-level power management strategies involve periodic sleep states to reduce overall consumption.

Oscillators Part Context

This part belongs to the 18QHTF21 series of quartz crystal oscillators from Mercury Electronics. The series offers various frequency options within a standardized small footprint. Mercury Electronics has extensive experience in frequency control products, positioning this component as a reliable solution for consumer and industrial electronics requiring compact timing sources.

Oscillators Replacement Considerations

Direct substitutes must match the 18.562 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no-lead package dimensions. Verify pinout compatibility and electrical specifications such as phase noise and jitter before swapping.