18QHTF21-21.5385-OE

Oscillators Overview

The 18QHTF21-21.5385-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a fundamental frequency of 21.5385 MHz and utilizes LVCMOS output logic levels. The component is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features an enable/disable control function to manage power consumption. The device is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.

Oscillators Feature Summary

• LVCMOS output interface
• Enable/Disable functionality
• Low voltage operation

Oscillators Applications

• Portable electronic devices
• Communication equipment
• Embedded systems

Oscillators Procurement Notes

Verify the specific suffix 'OE' against the manufacturer's official documentation to confirm the exact pinout and enable signal polarity. Ensure the operating temperature range meets the environmental requirements of the target application. Cross-reference the package dimensions with the PCB footprint design to guarantee mechanical compatibility during assembly.

Oscillators Selection Notes

Select this component when a precise 21.5385 MHz clock source is required for LVCMOS-compatible circuits. Consider the 1.8V supply constraint and the need for active power management via the enable pin. Evaluate the small 2.0x1.6mm form factor against available board space constraints.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series typically offers various frequencies and voltage options within a standardized small outline package. The 'OE' suffix generally denotes specific operational characteristics or packaging variants defined by the manufacturer.

Oscillators Replacement Considerations

Direct substitutes include other 21.5385 MHz LVCMOS oscillators in 2.0x1.6mm packages from compatible manufacturers. Verify electrical parameters such as load capacitance and drive level before substitution.