18QHTF21-19.998-OE

Oscillators Overview

The 18QHTF21-19.998-OE is a crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 19.998 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital signal compatibility
• Features integrated enable and disable control functionality
• Designed for low-voltage operation at 1.8V

Oscillators Applications

• Timing and clock signal generation in electronic devices
• Embedded systems requiring precise frequency references
• Consumer electronics utilizing standard surface-mount components

Oscillators Procurement Notes

Verify the specific part number suffix against manufacturer documentation to confirm electrical characteristics and package type. Ensure that the required operating voltage and output logic levels match the target circuit design specifications before procurement.

Oscillators Selection Notes

Select this component when a 19.998 MHz frequency is required with LVCMOS outputs. Consider the 1.8V supply requirement and the small 2.0x1.6mm footprint for space-constrained designs. Confirm availability of enable/disable pin functionality if power management is needed.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies within a standardized 4-SMD no-lead package. The series supports multiple voltage options and includes control features for flexible integration into timing circuits.

Oscillators Replacement Considerations

Direct substitutes may include other 19.998 MHz XO models with LVCMOS outputs in a 4-SMD 2.0x1.6mm package. Verify pinout compatibility and voltage tolerance before substitution.