18QHTF21-28.600-PD

Oscillators Overview

The 18QHTF21-28.600-PD is a quartz crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd, operating at a nominal frequency of 28.6 MHz. It utilizes LVCMOS output logic and functions with a supply voltage of 1.8V. The device features a maximum supply current of 23 mA and maintains a frequency stability of 50 ppm. It is housed in a compact surface-mount package measuring 2.0 mm by 1.6 mm. The component supports a standby mode for power management.

Oscillators Feature Summary

• Supports standard LVCMOS output logic for digital interface compatibility
• Includes standby functionality to reduce power consumption during idle periods
• Utilizes a quartz crystal base resonator for precise frequency generation

Oscillators Applications

• General-purpose clock signal generation in embedded systems
• Timing reference for digital communication interfaces
• Power-sensitive portable electronic devices requiring low voltage operation

Oscillators Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct voltage and frequency specifications. Confirm that the requested part matches the required package dimensions and output logic type. Request the original datasheet from the supplier to validate technical parameters before finalizing procurement decisions.

Oscillators Selection Notes

Select this component when a 28.6 MHz clock source is required with a 1.8V supply constraint. Ensure the application environment accommodates the specified 50 ppm frequency stability. Consider the small 2.0x1.6 mm footprint for space-constrained PCB layouts. Verify that the LVCMOS output levels are compatible with the receiving logic inputs.

Oscillators Part Context

This oscillator belongs to the Mercury Electronics SMD Oscillator series, which includes models such as H21, H22, and SWO. The product line has evolved from lead-type packages to surface-mount technologies, expanding the available frequency range significantly. This specific model represents a standard XO variant within their broader portfolio of frequency control products.

Oscillators Replacement Considerations

Direct substitutes include other 28.6 MHz oscillators with identical 1.8V supply requirements and LVCMOS outputs. Cross-reference pinout configurations and physical dimensions to ensure mechanical compatibility. Verify that alternative components meet the same 50 ppm stability specification for critical timing applications.