It's a electronic part of the SOIC package. The maximum value for normal operation is 900MHz. It is placed in the way of Surface Mount. To maintain reliability, it operates at a minimum working temperature of -40°C degrees Celsius. Stable operation is enabled by the maximum operating temperature of 85°C.
ICS859S0424AGILFT Features
ICS859S0424AGILFT Applications
There are a lot of Integrated Device Technology (IDT) ICS859S0424AGILFT Clock Buffers & Drivers applications.