18QHTF21-75.550-PD

Overview

The 18QHTF21-75.550-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 75.55 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and features a Standby (Power Down) function for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes Standby (Power Down) functionality to reduce power consumption
• Operates on a 1.8V supply voltage suitable for low-power systems

Applications

• Battery-powered portable devices
• General electronic projects requiring precise timing
• Digital circuits utilizing LVCMOS interfaces

Procurement Notes

Verify the exact part number suffix against official Mercury Electronics documentation to confirm the specific pinout and electrical characteristics. Ensure the 4-SMD No Lead package dimensions match the target PCB footprint requirements before finalizing procurement orders.

Selection Notes

Select this component when a 75.55 MHz clock signal with LVCMOS output is required. The 1.8V operating voltage makes it suitable for modern low-voltage digital designs. Consider the Standby feature if power efficiency during idle states is a critical design parameter.

Part Context

Mercury Electronic Ind. Co., Ltd. has been manufacturing frequency control products since 1973 and is recognized as a pioneer in the quartz crystal industry in Taiwan. This oscillator belongs to their range of precision timing components designed for various electronic applications.

Replacement Considerations

Cross-reference with other 75.55 MHz LVCMOS oscillators in 4-SMD packages from compatible manufacturers. Verify that substitute parts support the same 1.8V supply voltage and Standby functionality to ensure circuit compatibility.