18QHTF21-79.705976-PD

Overview

The 18QHTF21-79.705976-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 79.705976 MHz with an LVCMOS output logic level. The device requires a supply voltage of 1.8V and features a standby power-down function for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm.

Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby power-down capability
• Utilizes LVCMOS output interface

Applications

• General timing clock generation
• Embedded system synchronization
• Digital signal processing circuits

Procurement Notes

Verify the specific suffix 'PD' confirms the power-down feature when sourcing. Ensure the 1.8V supply requirement aligns with target circuit design. Confirm the 4-SMD no-lead package matches PCB footprint specifications before integration.

Selection Notes

Select this component for applications requiring precise 79.705976 MHz timing with minimal power consumption during idle states. The small form factor suits space-constrained designs. Verify compatibility with LVCMOS logic levels in the receiving circuitry.

Part Context

This model belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz-based frequency control products. The series includes various frequencies and packages, catering to diverse electronic timing needs across consumer and industrial electronics markets.

Replacement Considerations

Check datasheets for other 18QHTF21 variants with matching 1.8V and LVCMOS specs. Ensure pinout and package dimensions are identical for direct substitution.