18QHTF21-116.54144-PD

Overview

The 18QHTF21-116.54144-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 116.54144 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a Standby (Power Down) control function to manage power consumption. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes Standby (Power Down) control functionality
• Operates on a 1.8V supply voltage

Applications

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

Procurement Notes

Verify the specific suffix 'PD' indicates the Standby (Power Down) variant when sourcing replacements. Confirm that the required operating temperature range and load capacitance specifications align with the target design requirements before finalizing procurement decisions.

Selection Notes

Select this component when a precise 116.54144 MHz clock source is required with low-voltage operation. Ensure the application supports LVCMOS logic levels and requires power-down capabilities. Verify that the 4-SMD no-lead package footprint fits within the available PCB space constraints.

Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies and control options, including enable/disable and standby modes, catering to diverse electronic design needs for stable clock signals.

Replacement Considerations

Direct substitutes include other 116.54144 MHz LVCMOS oscillators with identical 1.8V supply and 4-SMD no-lead packaging. Verify pinout compatibility and electrical parameters such as jitter and phase noise before substitution.