18QHTF21-13.52313-PD

Overview

The 18QHTF21-13.52313-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 13.52313 MHz and utilizes LVCMOS output logic. The device is designed for surface mount assembly in a compact 4-SMD, No Lead package with dimensions of 2.00mm x 1.60mm and a maximum height of 2.00mm. It functions on a 1.8V supply voltage and includes a standby or power-down feature to manage current consumption, which has a maximum rating of 22mA.

Feature Summary

• Integrates LVCMOS output logic for digital interface compatibility
• Supports standby mode for power management efficiency
• Utilizes a base crystal resonator for frequency stability

Applications

• General clock signal generation in embedded systems
• Timing reference for low-voltage digital circuits
• Compact electronic devices requiring surface mount oscillators

Procurement Notes

Verify the exact frequency tolerance and pull sensitivity specifications against the official datasheet before integration. Confirm that the 4-SMD no-lead package footprint matches the PCB layout requirements. Ensure the 1.8V supply voltage aligns with the target system's power rails and that the 22mA maximum current draw does not exceed available capacity.

Selection Notes

Select this component when a precise 13.52313 MHz timing source is required in a minimal footprint. The choice is driven by the need for LVCMOS compatibility and low-profile surface mount packaging. Consider the standby functionality if power conservation during idle states is a design priority within the specific application environment.

Part Context

This part belongs to the 18QHTF21 series of surface mount crystal oscillators from Mercury Electronics. The series offers various frequency options within a standardized 2.0x1.6mm package. The 'PD' suffix typically indicates the inclusion of a power-down or standby control pin, distinguishing it from continuously running variants in the same physical form factor.

Replacement Considerations

Direct substitutes must match the 13.52313 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package dimensions. Verify equivalent APR and load capacitance specifications to ensure circuit timing integrity without redesign.