18QHTF21-13.5922-PD

Overview

The 18QHTF21-13.5922-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 13.5922 MHz and utilizes LVCMOS output logic levels. The device is designed for low-power applications, featuring a 1.8V supply voltage requirement and a standby mode for power-down functionality. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly processes.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes standby capability to reduce power consumption during idle states
• Operates on a single 1.8V power supply rail

Applications

• Battery-powered portable electronic devices
• Low-power embedded systems requiring precise timing
• Digital communication interfaces utilizing LVCMOS standards

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 4-SMD no-lead package dimensions align with your PCB footprint specifications. Ensure the 1.8V supply voltage matches your system's power architecture. Check for RoHS compliance status if environmental regulations apply to your manufacturing process.

Selection Notes

Select this component when a stable 13.5922 MHz clock signal is required for LVCMOS-compatible circuits. Consider the 1.8V operating voltage as a primary constraint for power budgeting. The standby feature makes it suitable for applications requiring active power management. Evaluate the small form factor against available board space constraints.

Part Context

This part belongs to the QHTF series of crystal oscillators from Mercury Electronic Ind. Co., Ltd. The manufacturer specializes in quartz crystals and timing components. The series typically offers various frequencies and packaging options. This specific model represents a standard XO variant optimized for low-voltage operation.

Replacement Considerations

Direct substitutes must match the 13.5922 MHz frequency, LVCMOS output, and 1.8V supply voltage. Verify pinout compatibility for the 4-SMD no-lead package. Cross-reference thermal characteristics and operating temperature ranges to ensure equivalent performance in the target application environment.