18QHTF21-13.52127-PD

Overview

The 18QHTF21-13.52127-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 13.52127 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and includes a standby function for power down control. It is housed in a compact 4-SMD, No Lead package suitable for surface mount applications.

Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated standby mode for power management
• Surface mount 4-SMD no lead package design

Applications

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

Procurement Notes

Verify the specific suffix PD indicates the standby feature when sourcing replacements. Confirm the 1.8V supply requirement matches the target circuit design. Ensure the 4-SMD footprint aligns with the PCB layout specifications before finalizing procurement orders.

Selection Notes

Select this component when a precise 13.52127 MHz reference is required with low voltage operation. Consider the standby capability if power efficiency is a priority. Verify that the LVCMOS output swing meets the input requirements of the downstream logic devices in the application circuit.

Part Context

This part belongs to the 18QHTF21 series of standard oscillators from Mercury Electronics. The series offers various frequencies and supply voltages. The PD suffix typically denotes the inclusion of a power-down or standby pin functionality within the package configuration.

Replacement Considerations

Compatible substitutes include other 13.52127 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation and standby features. Ensure electrical parameters match exactly. Verify mechanical dimensions for direct replacement.