18QHTF21-55.4667-OE

Overview

The 18QHTF21-55.4667-OE is a quartz crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a nominal frequency of 55.4667 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features an Enable/Disable control function to manage power consumption. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This surface-mount oscillator is engineered for integration into space-constrained electronic circuits requiring precise timing signals.

Feature Summary

• Quartz-based frequency generation ensuring stable timing performance
• Low voltage operation compatible with modern digital systems
• Enable/Disable functionality for power management optimization
• Compact surface-mount package design for automated assembly

Applications

• Consumer electronics requiring precise clock signals
• Communication equipment utilizing standard logic interfaces
• Industrial control systems needing reliable timing sources
• Portable devices constrained by size and power limitations

Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to ensure correct frequency and package configuration. Confirm that the OE variant matches the required enable/disable pinout. Cross-reference the part number with official Mercury Electronics catalogs to validate current production status and datasheet revisions before finalizing procurement orders.

Selection Notes

Select this component when a 1.8V supply voltage is mandatory and LVCMOS compatibility is required. The 2.0x1.6mm footprint suits high-density PCB layouts. Ensure the application environment falls within the specified operating temperature range. Validate that the 55.4667 MHz frequency aligns precisely with system clock requirements without necessitating additional frequency multiplication or division stages.

Part Context

This oscillator is part of Mercury Electronics' SMD Oscillator series, which includes models like H21, H22, and SWO. The company specializes in frequency control products, leveraging decades of experience in quartz crystal manufacturing. The 18QHTF21 series represents their commitment to providing compact, low-power solutions for modern electronic designs requiring stable quartz-derived frequencies.

FAQ

What is the output logic type for this oscillator?

The 18QHTF21-55.4667-OE uses LVCMOS (Low Voltage Complementary Metal-Oxide-Semiconductor) output logic.

Does this component support power control?

Yes, it features an Enable/Disable function to allow for active power management during operation.