18QHTF21-17.611776-PD

Oscillators Overview

The 18QHTF21-17.611776-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a nominal frequency of 17.611776 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly. The component is RoHS compliant, ensuring adherence to environmental standards for restricted hazardous substances.

Oscillators Feature Summary

• LVCMOS output logic interface
• Integrated standby and power-down functionality
• RoHS compliant construction

Oscillators Applications

• General clock signal generation
• Digital circuit timing reference
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout specifications. Check for any specific handling instructions regarding electrostatic discharge protection during installation.

Oscillators Selection Notes

Select this component when a precise 17.611776 MHz clock source is required with low power consumption capabilities. The LVCMOS output is compatible with standard digital logic families operating at 1.8V. Consider the standby feature if power efficiency is a critical design constraint. Verify that the operating temperature range meets the environmental conditions of the intended application.

Oscillators Part Context

This part belongs to the QHTF series of crystal oscillators from Mercury Electronics. The series offers various frequency options within a small form factor. The 'PD' suffix typically indicates the inclusion of a power-down pin or function. Mercury Electronics specializes in frequency control products, providing reliable timing solutions for electronic devices.

Oscillators Replacement Considerations

Direct substitutes must match the 17.611776 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD package. Verify electrical parameters such as phase noise and jitter against the original datasheet. Ensure the replacement part maintains RoHS compliance and identical physical dimensions for board compatibility.