18QHTF21-7.864-OE

Overview

The 18QHTF21-7.864-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 7.864 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and includes enable/disable functionality. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Feature Summary

• Standard XO configuration with LVCMOS output
• Integrated enable/disable control
• Compact 4-SMD surface mount package

Applications

• General purpose timing clock generation
• Embedded system clock sources
• Consumer electronics timing circuits

Procurement Notes

Verify the specific suffix against official datasheets to confirm electrical parameters and pinout compatibility. Ensure the operating temperature range meets application requirements. Confirm package dimensions match PCB footprint specifications before integration.

Selection Notes

Select this component when a low-profile 1.8V LVCMOS oscillator is required. Consider the 2.0x1.6 mm package size for space-constrained designs. Verify that the 7.864 MHz frequency aligns with system clock requirements.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, a supplier specializing in quartz crystals and oscillators. The series offers various frequencies and voltage options within a standardized small outline package format for consistent manufacturing.

Replacement Considerations

Check for direct substitutes with identical 7.864 MHz frequency, 1.8V supply, and 4-SMD package. Verify pin compatibility and electrical characteristics before substitution.