It's a electronic part of the 20-TSSOP (0.173, 4.40mm Width) package. Tape & Reel (TR) is the form in which it is packaged. The maximum value for normal operation is 750MHz. A mount of Surface Mount has been applied to it. This electronic component falls under the classification of Multiplexer. When the temperature is set to 0°C~70°C, reliable performance is ensured. With a 3.135V~3.465VV power source, it should work. Its output is LVPECL. Basically, it belongs to the same family as the ICS85357-01.
85357AG-01LFT Features
The operating temperature of 0°C~70°C degrees
85357AG-01LFT Applications
There are a lot of Renesas Electronics America Inc. 85357AG-01LFT Clock Buffers & Drivers applications.