18QHTF21-13.4102-PD

Overview

The 18QHTF21-13.4102-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 13.4102 MHz with LVCMOS output logic levels. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly on printed circuit boards.

Feature Summary

• LVCMOS output interface
• Standby power-down capability
• Surface-mount 4-SMD no lead package

Applications

• General clock signal generation
• Digital system timing reference
• Embedded controller clock input

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before procurement. Confirm that the 1.8V supply voltage aligns with the target system design. Ensure the 4-SMD package footprint matches the PCB layout constraints. Check for any specific handling instructions regarding electrostatic discharge sensitivity during storage and assembly processes.

Selection Notes

Select this component when a precise 13.4102 MHz clock source is required with low power consumption features. The LVCMOS output ensures compatibility with standard digital logic families operating at 1.8V. Consider the physical dimensions of the 4-SMD package for space-constrained designs. Evaluate the need for standby functionality to manage power budgets in battery-operated applications effectively.

Part Context

This part belongs to the Mercury Electronics XO series, which provides standard frequency control solutions. The manufacturer specializes in quartz crystals and oscillators, offering various packages and frequencies. The 18QHTF21 series typically targets cost-sensitive applications requiring reliable timing performance in consumer and industrial electronics.

Replacement Considerations

Direct substitutes must match the 13.4102 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD package. Verify pinout compatibility and electrical characteristics such as phase noise and jitter if specified in the original design requirements.