18QHTF21-62.540-PD

Overview

The 18QHTF21-62.540-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 62.54 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 2.0 x 1.6 mm. This component provides precise timing signals for digital circuits requiring stable clock sources.

Feature Summary

• Supports low-voltage operation at 1.8V with integrated power-down functionality
• Delivers LVCMOS output logic for direct interface with digital loads
• Utilizes a miniature 4-SMD no-lead surface-mount package

Applications

• Portable electronic devices requiring low power consumption
• Communication equipment needing stable clock signals
• Embedded systems utilizing LVCMOS-compatible interfaces

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD footprint matches your PCB layout constraints. Check for any specific handling instructions regarding electrostatic discharge protection during assembly.

Selection Notes

Select this component when a 62.54 MHz clock signal is required with minimal power usage. The LVCMOS output ensures compatibility with standard logic families. Consider the small form factor for space-constrained designs. Evaluate the operating temperature range to ensure reliability under expected environmental conditions.

Part Context

Mercury Electronics Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in frequency-control products, including quartz crystals, oscillators, and filters. Established in 1973, the company has decades of experience in the timing industry. The 18QHTF21 series represents their surface-mount oscillator offerings designed for modern electronics.

Replacement Considerations

Direct substitutes must match the 62.54 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify pinout compatibility and electrical characteristics before swapping.