18QHTF21-39.996-PD

Oscillators Overview

The 18QHTF21-39.996-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 39.996 MHz and utilizes LVCMOS output logic. The device is powered by a 1.8V supply voltage and features a Standby (Power Down) control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm.

Oscillators Feature Summary

• Supports Standby (Power Down) mode for power management
• Utilizes LVCMOS output logic interface
• Compact 4-SMD No Lead surface mount package

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 your design specifications before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD No Lead footprint matches your PCB layout constraints. Check for any specific RoHS compliance documentation if required by your manufacturing standards.

Oscillators Selection Notes

Select this component when a precise 39.996 MHz clock source is required with low voltage operation. Consider the LVCMOS compatibility with your target logic family. Evaluate the need for standby functionality to reduce power consumption during idle periods. Compare the physical size against available board space constraints.

Oscillators Part Context

This part belongs to the 18QHTF21 series of standard oscillators from Mercury Electronics. The series offers various frequencies within a small form factor. Similar models include variants with different frequencies such as 51.200 MHz or 96.768 MHz, sharing the same package and electrical characteristics.

Oscillators Replacement Considerations

Direct substitutes may include other 39.996 MHz oscillators from Mercury Electronics with compatible packages. Cross-referencing with similar LVCMOS oscillators from other manufacturers requires verification of pinout and voltage levels.