8T49N244A-999ASGI8

Overview

The 8T49N244A-999ASGI8 is a dual Universal Frequency Translator (UFT) from the FemtoClock NG family, manufactured by Renesas Electronics. It features two independent PLLs with LVDS outputs configured for low bandwidth operation. The device generates an output frequency of 644.53 MHz using a 19.44 MHz input reference and a 40 Hz locked loop bandwidth. It operates within a -40°C to +85°C temperature range in an 80-LBGA package.

Feature Summary

• Dual PLL architecture supporting independent frequency translation
• LVDS differential output signaling
• Low bandwidth mode (40 Hz) with manual pin switchover
• Integrated I2C programming interface

Applications

• Networking equipment requiring precise clock synthesis
• Telecommunication infrastructure systems
• High-speed data transmission interfaces

Procurement Notes

Verify component authenticity through authorized channels as this part number may be subject to End-of-Life status. Confirm specific ordering suffixes against current manufacturer documentation to ensure correct configuration parameters are met before procurement.

Selection Notes

Select this model when dual independent clock sources with LVDS outputs are required. Ensure the design supports the specified 19.44 MHz input frequency and 644.53 MHz output target. Verify that the 80-LBGA package dimensions fit the PCB layout constraints.

Part Context

This component belongs to the 8T49N244I series of dual PLL Universal Frequency Translators. It utilizes FemtoClock NG technology to provide low phase noise performance suitable for demanding digital communication applications requiring multiple synchronized clock domains.

Replacement Considerations

Consult official replacement guides for compatible devices such as the 8T49N244A-001ASGI8 or other variants within the same UFT family that match the required output frequencies and package specifications.

FAQ

What is the locked loop bandwidth for this configuration?

The locked loop bandwidth is set to 40 Hz.

How is the switchover between input clocks controlled?

Switchover is managed via manual pin control.

What is the maximum operating temperature?

The maximum ambient operating temperature is +85°C.