18QHTF21-44.1379-PD

Oscillators Overview

The 18QHTF21-44.1379-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 44.1379 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes a standby (power down) control feature. 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 or power down functionality for energy management
• Utilizes a small form factor 4-SMD no lead package design

Oscillators Applications

• Digital signal processing systems requiring precise timing
• Communication equipment utilizing standard clock frequencies
• Consumer electronics with low voltage power constraints

Oscillators Procurement Notes

Verify the specific ordering suffix to ensure the correct pinout and electrical characteristics match the target design requirements. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the PCB footprint accommodates the 2.0x1.6 mm SMD package dimensions accurately during layout verification.

Oscillators Selection Notes

Select this component when a 44.1379 MHz clock source is required for LVCMOS compatible circuits. Consider the 1.8V operating voltage and the availability of the standby control feature for power-sensitive applications. Evaluate the physical size constraints against the 2.0x1.6 mm package dimensions to ensure proper board space utilization.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal oscillators. The series offers various frequencies and output types within a standardized small outline package format. Mercury Electronics has established itself as a supplier of frequency control products including TCXOs and VCTCXOs since 1973.

Oscillators Replacement Considerations

Direct substitutes may include other 44.1379 MHz LVCMOS oscillators in 2.0x1.6mm packages from manufacturers such as Epson or SiTime, provided voltage and pinout compatibility are verified.