18QHTF57-20.3563-PD

Oscillators Overview

The Mercury Electronics Ind. Co. Ltd model 18QHTF57-20.3563-PD is a standard frequency crystal oscillator operating at 20.3563 MHz. It utilizes LVCMOS output logic and functions with a 1.8V supply voltage. The device incorporates a power-down feature for standby mode control. It is housed in a surface-mount package measuring 7.0 mm by 5.0 mm. This component serves as a precise clock source for digital circuits requiring low-power operation and stable frequency generation within compact electronic designs.

Oscillators Feature Summary

• Operates on a single 1.8V power supply
• Provides LVCMOS output signal compatibility
• Includes power-down functionality for energy conservation

Oscillators Applications

• Portable consumer electronics requiring low voltage
• Battery-powered embedded systems
• Digital communication interfaces

Oscillators Procurement Notes

Verify the specific supply voltage requirement of 1.8V against your system design to ensure compatibility. Confirm that the LVCMOS output levels align with the receiving logic inputs. Check the physical footprint dimensions of 7.0 mm by 5.0 mm for PCB layout constraints. Ensure the application supports the power-down control mechanism if energy efficiency is a priority. Review the datasheet for thermal and electrical specifications before integration.

Oscillators Selection Notes

Select this oscillator when a 20.3563 MHz clock signal is required with minimal power consumption. The 1.8V operation makes it suitable for modern low-voltage digital logic families. Consider the surface-mount package size for space-constrained boards. Evaluate the need for a power-down pin to manage active versus standby states. Compare performance metrics against other LVCMOS oscillators if stricter timing or jitter specifications are necessary for the target application.

Oscillators Part Context

This component belongs to the HFTF series of quartz oscillators from Mercury Electronics. These devices are designed for general-purpose clocking applications where stability and low power are essential. The manufacturer specializes in frequency control products, leveraging decades of experience in quartz technology. This specific model represents a standard configuration within their portfolio, balancing performance with cost-effectiveness for mass-produced electronics.

Oscillators Replacement Considerations

Direct substitutes must match the 20.3563 MHz frequency, 1.8V supply, and LVCMOS output. Verify identical package dimensions of 7.0x5.0 mm for mechanical fit. Ensure equivalent electrical characteristics such as load current and output swing. Cross-reference part numbers from other manufacturers offering similar low-voltage XO solutions.