18QHTF21-7.87443-PD

Overview

The 18QHTF21-7.87443-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 7.87443 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and features a Standby (Power Down) control function for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.

Feature Summary

• LVCMOS output logic interface
• Standby (Power Down) control capability
• Compact 4-SMD No Lead package

Applications

• General clock signal generation
• Digital circuit timing references
• Embedded system clock sources

Procurement Notes

Verify the specific ordering suffix to confirm the exact frequency and control function. Ensure the supply voltage matches the 1.8V requirement. Confirm the package type aligns with PCB footprint specifications. Check datasheet for operating temperature range compliance.

Selection Notes

Select this component when a low-voltage 1.8V operation is required. The LVCMOS output is suitable for standard digital logic families. The standby feature aids in power-sensitive designs. Verify frequency accuracy needs against standard XO specifications.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics. The series includes various frequencies and control options. Similar parts may differ in frequency or voltage. The 'PD' suffix indicates the Standby function. Compare with other series for different package sizes.

Replacement Considerations

Direct substitutes must match the 7.87443 MHz frequency, 1.8V voltage, LVCMOS output, and 4-SMD package. Verify pinout compatibility. Check if alternative manufacturers offer equivalent performance metrics.