There is a case option of 20-SSOP (0.154, 3.90mm Width) available for this clock divider. A Tape & Reel (TR) is used to package it. It is recommended that the maximum value for normal operation is 166MHz. As far as I can tell, it is mounted by Surface Mount. This electronic part is classified as Fanout Buffer (Distribution). If you wish to ensure reliable performance, you should set the temperature to -40°C~85°C. With a 2.3V~2.7VV power source, it should work. The output is CMOS, LVTTL. It belongs to the family of IDT49FCT20805. The 49FCT series refers to this electrical component.
49FCT20805QGI8 Features
The operating temperature of -40°C~85°C degrees
49FCT20805QGI8 Applications
There are a lot of Renesas Electronics America Inc. 49FCT20805QGI8 Clock Buffers & Drivers applications.