18QHTF21-19.239-PD

Oscillators Overview

The 18QHTF21-19.239-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 19.239 MHz and utilizes LVCMOS output logic levels. The device functions with a supply voltage of 1.8V and includes a standby or power-down feature for energy management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly.

Oscillators Feature Summary

• LVCMOS output interface
• Standby (Power Down) capability
• Compact 4-SMD No Lead package

Oscillators Applications

• General clock signal generation
• Low voltage digital systems
• Surface-mount electronic assemblies

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your system design before procurement. Confirm that the 1.8V supply voltage aligns with your power rails. Ensure the 4-SMD No Lead footprint matches your PCB layout constraints to avoid mechanical integration issues during assembly.

Oscillators Selection Notes

Select this component when a stable 19.239 MHz reference is required for low-voltage applications. The LVCMOS output ensures compatibility with standard digital logic families. Consider the power-down feature if system efficiency is critical. Verify that the operating temperature range meets environmental specifications.

Oscillators Part Context

This part belongs to the 18QHTF21 series of standard oscillators from Mercury Electronics. The series offers various frequencies with consistent LVCMOS outputs and 1.8V operation. The 'PD' suffix indicates the inclusion of a power-down control function, distinguishing it from basic continuous-operation variants within the same package family.

Oscillators FAQ

What is the output logic type?

The output logic type is LVCMOS.

Does this oscillator support power saving modes?

Yes, it features a Standby (Power Down) mode.