18QHTF21-58.375-PD

Overview

The 18QHTF21-58.375-PD is a crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 58.375 MHz with an LVCMOS output logic level. The device requires a supply voltage of 1.8V and features a Standby (Power Down) control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.

Feature Summary

• Integrates LVCMOS output interface for digital signal compatibility
• Includes standby functionality to reduce power consumption during idle states
• Utilizes a leadless surface-mount package for automated assembly

Applications

• Timing and clock generation in electronic devices
• Standard oscillator applications requiring precise frequency stability
• Embedded systems utilizing low-voltage logic interfaces

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before procurement. Confirm that the 1.8V supply voltage aligns with the target circuit design. Ensure the 4-SMD no-lead footprint matches the PCB layout specifications to prevent soldering defects or mechanical stress issues during assembly.

Selection Notes

Select this component when a 58.375 MHz clock source is required within a 2.0x1.6 mm form factor. The 1.8V operating voltage makes it suitable for modern low-power digital circuits. Consider the LVCMOS output swing limits and ensure the downstream logic inputs are compatible with the specified voltage levels to maintain signal integrity.

Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series typically offers various standard frequencies and voltage options. The 'PD' suffix indicates the inclusion of a power-down pin or feature, distinguishing it from non-stanby variants within the same physical package family.

Replacement Considerations

Direct substitutes must match the 58.375 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm 4-SMD package. Verify pinout compatibility and electrical characteristics such as phase jitter and startup time. Cross-reference with other manufacturers offering identical footprint and performance specifications.