18QHTF21-45.714286-PD

Oscillators Overview

The 18QHTF21-45.714286-PD is a 45.714286 MHz crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It utilizes LVCMOS output logic and operates at a supply voltage of 1.8V. The device features a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.

Oscillators Feature Summary

• LVCMOS output logic for standard digital interface compatibility
• Integrated standby and power-down functionality to reduce power consumption
• Compact 4-SMD no-lead surface mount package design

Oscillators Applications

• General clock signal generation in electronic circuits
• Embedded systems requiring low-voltage timing references
• Portable devices utilizing power-down modes

Oscillators Procurement Notes

Verify the exact frequency tolerance and load capacitance requirements against the specific application needs before procurement. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout design to avoid assembly issues during manufacturing.

Oscillators Selection Notes

Select this component when a precise 45.714286 MHz clock source is required within a 1.8V logic environment. The choice is driven by the need for LVCMOS compatibility and the necessity of a power-down feature for battery-operated applications. Consider the small form factor suitable for space-constrained designs.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The series includes various frequencies and voltage options, such as 1.8V and 2.5V variants, catering to different digital logic families and power efficiency requirements in modern electronics.

Oscillators Replacement Considerations

Direct substitutes include other 45.714286 MHz XO components with LVCMOS outputs and 1.8V operation. Verify pinout compatibility and package dimensions (2.0x1.6mm SMD) to ensure mechanical fit. Check if alternative manufacturers offer equivalent frequency stability and phase noise specifications.