18QHTF21-6.9993-OE

Overview

The 18QHTF21-6.9993-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 6.9993 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features an Enable/Disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes hardware enable/disable functionality for power management
• Utilizes a surface-mount 4-SMD no-lead package design

Applications

• General clock signal generation in electronic circuits
• Timing reference sources for low-voltage digital systems
• Embedded system clock inputs requiring enable control

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 package footprint matches your PCB layout constraints. Check for any specific operating temperature range limitations required for your application environment to ensure reliable performance.

Selection Notes

Select this component when a precise 6.9993 MHz timing source is required for LVCMOS-compatible logic families. The choice is driven by the need for a small 2.0x1.6 mm form factor and the necessity for an active enable pin to manage power consumption. Consider the 1.8V operating voltage as a primary constraint for compatible power domains.

Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series typically offers various frequencies within a standardized 4-pin SMD package. The 'OE' suffix indicates the inclusion of an enable/disable pin, distinguishing it from basic continuous-output variants within the same physical footprint family.

Replacement Considerations

Direct replacements must match the 6.9993 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify that substitute parts also include the enable/disable feature if power control is critical. Cross-reference pinouts to ensure compatibility without redesigning the PCB.

FAQ

What is the output logic type of the 18QHTF21-6.9993-OE?

The output logic type is LVCMOS.

Does this oscillator support power control?

Yes, it includes an Enable/Disable function to control operation.