18QHTF21-13.509-PD

Overview

The 18QHTF21-13.509-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd, operating at a nominal frequency of 13.509 MHz. It utilizes LVCMOS output logic and supports a supply voltage of 1.8V. The device features a standby or power-down mode for energy efficiency. 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
• Surface mount 4-SMD no lead package

Applications

• General purpose clock generation
• Digital signal processing circuits
• Microcontroller system clocks

Procurement Notes

Verify the specific part number suffix against official Mercury Electronics documentation to confirm pinout and electrical characteristics. Ensure compatibility with the target board's thermal requirements and supply voltage constraints before finalizing procurement orders.

Selection Notes

Select this component when a low-profile surface mount oscillator with LVCMOS outputs is required. Consider the 1.8V supply requirement and the availability of standby modes for power-sensitive designs. Verify that the 4-SMD package fits within the designated footprint constraints.

Part Context

This model belongs to the Mercury Electronics 18QHTF series of quartz crystal oscillators. The series typically offers various frequency options and packaging styles designed for consumer electronics and industrial applications requiring reliable timing signals.

Replacement Considerations

Check for direct substitutes from Mercury Electronics with identical pinouts and specifications. Cross-reference with other manufacturers offering 4-SMD LVCMOS oscillators, ensuring voltage and frequency match.