18QHTF53-66.500-PD

Oscillators Overview

The 18QHTF53-66.500-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 66.5 MHz and utilizes LVCMOS output logic. The device is designed for low-power applications, featuring a supply voltage of 1.8V and a standby power-down mode. It is housed in a compact 4-SMD, No Lead package with dimensions of 5.0x3.2 mm. The component supports an operating temperature range of -40°C to 85°C.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V with integrated power-down functionality
• Provides stable LVCMOS clock signals at 66.5 MHz
• Utilizes a compact surface-mount package suitable for space-constrained designs

Oscillators Applications

• General digital system clock generation
• Embedded processor timing references
• Communication interface synchronization

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply rail is stable within the specified operating temperature range. Ensure the PCB footprint matches the 4-SMD No Lead package dimensions provided in the official datasheet to prevent mounting issues.

Oscillators Selection Notes

Select this component when a precise 66.5 MHz clock source is required for LVCMOS-compatible circuits. Consider the 1.8V supply constraint and the need for a power-down feature during idle states. Evaluate the thermal performance within the -40°C to 85°C range to ensure reliability under varying environmental conditions.

Oscillators Part Context

This part belongs to the Mercury Electronics XO series, which focuses on providing reliable frequency control solutions. The manufacturer has extensive experience in quartz crystal production, offering various packages and frequencies to meet diverse electronic industry standards. This specific model represents their standard surface-mount oscillator lineup.

Oscillators Replacement Considerations

Direct substitutes must match the 66.5 MHz frequency, LVCMOS output, 1.8V supply, and 5.0x3.2mm package. Verify pin compatibility and electrical characteristics with alternative manufacturers' offerings to ensure seamless integration without redesigning the host circuit.