18QHTF21-11.664-PD

Overview

The 18QHTF21-11.664-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 11.664 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Feature Summary

• Standard LVCMOS output logic for digital interface compatibility
• Integrated standby mode to reduce power consumption during idle periods
• Compact surface-mount form factor suitable for space-constrained designs

Applications

• General-purpose digital circuit timing
• Microcontroller clock sources
• Communication interface synchronization

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct frequency and package specifications. Confirm that the 1.8V supply requirement aligns with the target system design before procurement. Cross-reference the part number with authorized distributors to validate authenticity and availability status.

Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside standard LVCMOS signaling. Ensure the application benefits from the standby feature for power efficiency. Verify that the 4-SMD package dimensions fit within the PCB layout constraints and thermal requirements of the final assembly.

Part Context

This oscillator belongs to the Mercury Electronic series of surface-mount crystal oscillators. The brand specializes in frequency control products including quartz crystals and various oscillator types. This specific model represents a standard configuration within their portfolio, targeting general electronic applications requiring reliable timing solutions.

Replacement Considerations

Consult official substitution lists for compatible alternatives. Ensure any replacement matches the 11.664 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package type. Verify pinout compatibility and electrical characteristics before integration.