18QHTF21-57.553667-OE

Overview

The 18QHTF21-57.553667-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 57.553667 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature for power management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Feature Summary

• Provides stable clock signal generation at a specific high-frequency rate
• Integrates low-voltage CMOS output interface for digital circuit compatibility
• Supports active power state control via dedicated enable pin

Applications

• Digital signal processing systems requiring precise clock synchronization
• Communication equipment utilizing standard frequency references
• Embedded systems with limited power supply constraints

Procurement Notes

Verify the exact frequency tolerance and load capacitance requirements against your system design before ordering. Confirm that the 1.8V supply voltage aligns with your target platform's power rails. Ensure the 4-SMD no-lead package footprint matches your PCB layout specifications to guarantee proper soldering and mechanical stability during assembly processes.

Selection Notes

Choose this component when a fixed frequency near 57.5 MHz is required without the need for external tuning. The LVCMOS output ensures direct interfacing with most modern digital logic families. Consider the enable function if dynamic power saving is necessary. Verify thermal performance within the specified operating temperature range for reliable long-term operation in your specific environment.

Part Context

This part belongs to the 18QHTF21 series of standard oscillators from Mercury Electronics. The series typically offers various frequencies and voltage options. Mercury Electronic specializes in quartz-based frequency control products, including crystals and oscillators, serving global electronics markets with precision timing solutions since its establishment.

Replacement Considerations

Direct substitutes must match the 57.553667 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Check datasheets for compatible parts from other manufacturers ensuring identical pinout and electrical characteristics to maintain system integrity.