18QHTF21-28.322-PD

Oscillators Overview

The 18QHTF21-28.322-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 28.322 MHz with a stability of 50 ppm. The device utilizes LVCMOS output logic and requires a 1.8V supply voltage. Maximum supply current is 23 mA. It features a standby function for power down control. The component is housed in a compact 4-SMD, No Lead package suitable for surface mount applications.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes standby functionality to enable power down mode
• Designed for surface mount integration via 4-SMD no lead package

Oscillators Applications

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

Oscillators Procurement Notes

Verify the specific part number suffix against official manufacturer documentation to ensure correct electrical specifications and package type. Confirm that the required operating temperature range and load conditions align with the target application design parameters before finalizing procurement decisions.

Oscillators Selection Notes

Select this component when a 28.322 MHz clock source with LVCMOS outputs is required. Ensure the system design supports the 1.8V supply voltage and accommodates the 4-SMD footprint. Verify that the 50 ppm frequency stability meets the timing requirements of the connected digital circuits.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics Ind. Co. Ltd. The series includes various frequencies such as 18.1059 MHz, 51.2 MHz, and 96.768 MHz. All variants share similar packaging and electrical characteristics, differing primarily in their nominal operating frequencies.

Oscillators Replacement Considerations

Direct substitutes include other 28.322 MHz oscillators with LVCMOS outputs and identical 4-SMD packages. Cross-reference with Mercury Electronics part numbers like 18QHTF21-28.322 without the PD suffix if power management features are not critical.