18QHTF21-19.0699-PD

Oscillators Overview

The 18QHTF21-19.0699-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a fixed frequency of 19.0699 MHz and utilizes LVCMOS output logic levels. The device functions with a supply voltage of 1.8V and includes a standby or power-down control feature for energy management. It is housed in a compact 4-SMD, no-lead package with dimensions of 2.0x1.6mm, suitable for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Integrates standby mode capability
• Provides LVCMOS signal output

Oscillators Applications

• General-purpose clock generation
• Digital signal processing systems
• Embedded controller timing

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your system design before ordering. Confirm that the 1.8V supply rail is stable and within the operational limits specified in the official datasheet to ensure reliable oscillator performance.

Oscillators Selection Notes

Select this component when a precise 19.0699 MHz reference is required in space-constrained designs. The choice depends on the necessity for LVCMOS compatibility and the availability of a 1.8V power source. Ensure the PCB layout supports the small 4-SMD footprint.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The manufacturer has decades of experience in Taiwan producing such components. This series typically offers various frequencies within a standardized small outline package format.

Oscillators Replacement Considerations

Direct substitutes must match the 19.0699 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify pinout compatibility and electrical specifications before swapping.