18QHTF21-42.07789-PD

Oscillators Overview

The 18QHTF21-42.07789-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 42.07789 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a Standby mode for power down functionality. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes Standby mode capability to reduce power consumption during inactive periods
• Utilizes a small form factor 4-SMD No Lead package design

Oscillators Applications

• General purpose clock signal generation in electronic circuits
• Timing reference for digital systems requiring 1.8V operation
• Embedded applications utilizing LVCMOS compatible interfaces

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD No Lead package footprint matches your PCB layout specifications. Check for any specific RoHS or environmental compliance certifications required for your project.

Oscillators Selection Notes

Select this component when a precise 42.07789 MHz clock source is required with low voltage operation. Consider the LVCMOS output level for direct interfacing with compatible logic families. Evaluate the need for standby functionality if power management is critical. Compare the physical dimensions against available board space constraints.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies within a 2.0x1.6 mm SMD package. The series typically supports 1.8V operation and LVCMOS outputs. The '-PD' suffix indicates the inclusion of a power-down or standby feature, distinguishing it from standard continuous-operation variants within the same family.

Oscillators FAQ

What is the output logic type for this oscillator?

The 18QHTF21-42.07789-PD uses LVCMOS (Low Voltage Complementary Metal-Oxide-Semiconductor) output logic.

Does this component support power saving modes?

Yes, the device includes a Standby (Power Down) function to manage power consumption.