18QHTF21-13.571-PD

Overview

The 18QHTF21-13.571-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 13.571 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a power-down function via a standby control input. It is housed in a compact 4-SMD, No Lead package with dimensions of 3.2mm x 2.5mm. This component is engineered for low power consumption applications.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes standby mode for power-down functionality
• Operates on a 1.8V supply voltage
• Utilizes a surface-mount 4-SMD no-lead package

Applications

• Battery-powered portable devices
• Low-power consumer electronics
• Digital signal processing circuits
• Communication modules requiring precise timing

Procurement Notes

Verify the specific frequency tolerance and operating temperature range against the official datasheet before integration. Ensure the 1.8V supply voltage aligns with the target system design. Confirm that the LVCMOS output levels are compatible with the receiving logic inputs to prevent signal integrity issues during operation.

Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside a compact surface-mount footprint. The inclusion of a power-down feature makes it suitable for energy-efficient designs. Verify that the 13.571 MHz frequency meets the system clock requirements and that the LVCMOS output is appropriate for the connected digital circuitry.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystals and oscillators. The series offers various frequencies and packages, catering to diverse timing needs in electronic systems. Mercury Electronics has been a pioneer in the crystal industry since 1973, providing reliable frequency control solutions.

Replacement Considerations

Direct substitutes may include other 13.571 MHz XO components with identical 1.8V LVCMOS specifications and 4-SMD no-lead packaging. Cross-reference pinouts and electrical characteristics carefully to ensure functional equivalence without redesigning the host circuit.