18QHTF21-12.548-OE

Overview

The 18QHTF21-12.548-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 12.548 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes enable/disable control capabilities. It is housed in a compact 4-SMD, no lead package suitable for surface-mount applications.

Feature Summary

• LVCMOS output logic interface
• Integrated enable and disable functionality
• Surface-mount 4-SMD no lead package

Applications

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

Procurement Notes

Verify the specific part number against official Mercury Electronics documentation to ensure accuracy. Confirm that the 1.8V supply requirement and LVCMOS output compatibility match the target design specifications before procurement.

Selection Notes

Select this component when a 12.548 MHz clock source is required with low-voltage operation. Ensure the application supports LVCMOS signaling levels and can accommodate the 4-SMD form factor within the available board space constraints.

Part Context

This model belongs to the 18QHTF21 series from Mercury Electronics, a supplier specializing in quartz crystals and oscillators. The series typically offers standard XO configurations with various frequency options and voltage levels for diverse electronic timing needs.

Replacement Considerations

Compatible substitutes include other 12.548 MHz LVCMOS oscillators in 4-SMD packages from manufacturers such as Epson, SiTime, or TXC, provided pinout and electrical parameters align.