18QHTF21-8.912-PD

Overview

The 18QHTF21-8.912-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 8.912 MHz and utilizes an LVCMOS output interface. The device is designed for low-power applications, featuring a supply voltage of 1.8V and a standby mode for power-down functionality. It is housed in a compact 4-SMD, No Lead package suitable for surface-mount assembly.

Feature Summary

• LVCMOS output interface for digital logic compatibility
• Low voltage operation with 1.8V supply requirement
• Integrated standby mode for power management
• Compact 4-SMD no-lead surface mount package

Applications

• General purpose clock signal generation
• Digital system timing references
• Embedded controller clock sources
• Portable electronic devices requiring low power consumption

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure that the 1.8V supply rail is stable and within the specified operating range to maintain frequency stability. Confirm that the PCB footprint matches the 4-SMD no-lead package dimensions provided in the official datasheet to ensure proper soldering and mechanical retention.

Selection Notes

Select this component when a precise 8.912 MHz clock source is required for LVCMOS-compatible circuits. Consider the 1.8V supply constraint and the need for a standby feature for power-sensitive designs. Evaluate the thermal performance and frequency stability specifications against the environmental conditions of the target application to ensure reliable operation over the specified temperature range.

Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz frequency control products. The series offers various frequencies and packages, catering to diverse electronic needs. Mercury Electronics has a long history in the quartz industry, providing reliable components for global markets.

Replacement Considerations

Direct replacements must match the 8.912 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD package. Verify pinout compatibility and electrical parameters with alternative manufacturers before substitution.