18QHTF21-12.98883-PD

Overview

The 18QHTF21-12.98883-PD is a crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 12.98883 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes a standby power-down feature. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.

Feature Summary

• Supports low-voltage operation at 1.8V
• Integrates a standby power-down mode for energy management
• Delivers standard LVCMOS output signals

Applications

• Embedded clock generation systems
• Portable electronic devices requiring low power consumption
• Digital signal processing circuits

Procurement Notes

Verify the specific frequency suffix matches the required 12.98883 MHz specification during procurement. Confirm that the 1.8V supply voltage aligns with the target circuit design. Ensure the 4-SMD no-lead package footprint is compatible with the PCB layout to prevent assembly issues.

Selection Notes

Select this component when a precise 12.98883 MHz reference is needed for LVCMOS interfaces. The choice is driven by the requirement for a small 2.0x1.6mm form factor and the necessity for a power-down capability to extend battery life in portable applications.

Part Context

This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series is characterized by its miniature size and compatibility with low-voltage digital logic families, serving as a timing source for various integrated circuits.

Replacement Considerations

Direct substitutes must match the 12.98883 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify pinout compatibility before replacing with other manufacturers' equivalents.