18QHTF21-1.10593-PD

Overview

The 18QHTF21-1.10593-PD is a crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 1.10593 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications.

Feature Summary

• LVCMOS output logic interface
• Integrated standby and power-down functionality
• Compact 4-SMD no lead surface mount package

Applications

• General clock signal generation
• Digital circuit timing references
• Embedded system clock sources

Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required voltage levels and output types. Confirm that the 4-SMD package dimensions align with the target PCB footprint. Check datasheet specifications for operating temperature ranges and load capacitance requirements before finalizing component selection.

Selection Notes

Select this component when a low-frequency 1.10593 MHz reference is required with minimal power consumption. The 1.8V supply voltage makes it suitable for modern low-voltage digital systems. Ensure the design accommodates the specific thermal and mechanical constraints of the 4-SMD package type.

Part Context

This part belongs to the 18QHTF21 series of oscillators from Mercury Electronics. The series offers various frequencies and voltage options. The manufacturer has extensive experience in quartz crystal production, providing reliable frequency control solutions for electronic applications.

Replacement Considerations

Cross-reference with other 1.10593 MHz LVCMOS oscillators in 4-SMD packages. Verify pinout compatibility and electrical parameters such as rise/fall times and duty cycle before substitution.