18QHTF21-19.5072-OE

Oscillators Overview

The 18QHTF21-19.5072-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 19.5072 MHz and utilizes LVCMOS output logic levels. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature for power management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports enable and disable functionality for controlled power consumption
• Delivers LVCMOS output signal compatibility
• Utilizes a leadless SMD package design

Oscillators Applications

• Timing and clock signal generation in electronic devices
• Embedded systems requiring stable frequency references
• Consumer electronics utilizing low-voltage logic interfaces

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the enable pin logic level matches your controller outputs to guarantee proper operation of the oscillator's power state.

Oscillators Selection Notes

Select this component when a 19.5072 MHz reference is required with low-voltage operation. Consider the enable feature if dynamic power saving is necessary. Verify that the 4-SMD footprint fits within the available PCB area constraints compared to larger packages.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The manufacturer has a history dating back to 1973, focusing on precision timing components. This series typically offers standard oscillators designed for general-purpose digital timing applications.

Oscillators Replacement Considerations

Direct substitutes may include other 19.5072 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Verify pinout compatibility and enable logic polarity before swapping. Alternative parts must match the physical dimensions and electrical characteristics precisely.