18QHTF21-1.025-OE

Overview

The 18QHTF21-1.025-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 1.025 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes enable/disable functionality for power management
• Utilizes a small form factor SMD package for surface mount assembly

Applications

• General purpose clock signal generation
• Embedded system timing references
• Consumer electronics circuit boards

Procurement Notes

Verify the specific ordering suffix to ensure the correct pin configuration and enable/disable feature are present. Confirm that the 1.8V supply voltage aligns with the target circuit design. Check the package outline drawing for precise footprint requirements before finalizing procurement.

Selection Notes

Select this component when a low-voltage 1.025 MHz clock source is required. Ensure the application supports LVCMOS logic levels. Consider the enable/disable feature if power conservation during idle states is necessary. Verify thermal operating range requirements against datasheet specifications.

Part Context

This part belongs to the Mercury Electronics XO series, which provides standard frequency control solutions. The manufacturer specializes in quartz crystals and oscillators, offering various packages and frequencies for timing applications in electronic devices.

Replacement Considerations

Compatible substitutes include other 1.025 MHz LVCMOS oscillators in 2.0x1.6mm packages from different manufacturers. Ensure voltage, output type, and pinout compatibility before substitution.