18QHTF21-58.41875-PD

Overview

The 18QHTF21-58.41875-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 58.41875 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 standby mode for power down functionality to reduce energy consumption during inactive periods. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly processes. This oscillator provides precise frequency stability required for digital clock generation and timing synchronization in electronic circuits.

Feature Summary

• Supports LVCMOS output logic interface
• Includes standby mode for power down capability
• Operates on 1.8V supply voltage
• Utilizes 4-SMD No Lead surface mount package

Applications

• Digital clock signal generation
• Timing synchronization in embedded systems
• Low-voltage consumer electronics
• Communication equipment interfaces

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design specifications before procurement. Ensure that the 1.8V supply rail is stable and within the operational limits defined in the official datasheet. Confirm that the PCB footprint matches the 4-SMD No Lead package dimensions precisely to avoid soldering defects. Check for any RoHS compliance documentation if environmental regulations apply to your manufacturing process.

Selection Notes

Select this component when a 58.41875 MHz clock source with LVCMOS compatibility is required. Consider the 1.8V operating voltage constraint to ensure compatibility with the target system's power domain. Evaluate the thermal performance and stability requirements against the standard XO specifications. Verify that the compact 4-SMD form factor fits within the available board space constraints of the final assembly.

Part Context

This part belongs to the 18QHTF21 series of quartz oscillators from Mercury Electronics. The series offers various frequency options while maintaining consistent electrical characteristics and package types. Mercury Electronics has been a pioneer in the crystal industry since 1973, focusing on frequency control products. The 18QHTF21 series is designed for applications requiring reliable timing signals in compact electronic devices.

Replacement Considerations

Direct substitutes include other 18QHTF21 variants with different frequencies such as 18QHTF21-44.21875-PD or 18QHTF21-62.496875-PD if frequency adjustment is acceptable. Cross-reference with other manufacturers offering 4-SMD LVCMOS oscillators at 1.8V, ensuring identical pinout and voltage specifications are maintained.

FAQ

What is the output logic type of the 18QHTF21-58.41875-PD?

The output logic type is LVCMOS.

Does this oscillator support power saving modes?

Yes, it includes a standby mode for power down functionality.