18QHTF21-57.373667-PD

Overview

The 18QHTF21-57.373667-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 57.373667 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a standby or power-down function to manage energy consumption. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm. This component is suitable for applications requiring precise clock signals in low-voltage digital systems.

Feature Summary

• Supports standby mode for power management
• LVCMOS output interface compatibility
• Compact surface-mount packaging

Applications

• Digital signal processing clocks
• Communication equipment timing
• Consumer electronics control circuits

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD footprint matches your PCB layout constraints. Check for any RoHS compliance documentation if required by your manufacturing standards.

Selection Notes

Select this model when a precise 57.373667 MHz clock source is needed in space-constrained designs. The LVCMOS output ensures direct interfacing with most modern digital logic families without additional level shifting. Consider the power-down feature if battery life or thermal management is a priority in the target application environment.

Part Context

This part belongs to the QHTF series of high-frequency oscillators from Mercury Electronics. The series is known for providing stable clock signals in small form factors. Mercury has been a pioneer in quartz crystal manufacturing since 1973, offering a range of frequency control products for various industrial and consumer applications.

Replacement Considerations

Direct substitutes must match the 57.373667 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package size. Verify pinout compatibility and electrical characteristics such as phase noise and jitter specifications to ensure seamless integration into existing designs.