There is a case of SOIC in which it is packaged. It is recommended that the maximum value for normal operation is 200MHz. It has 8 terminations. In this case, it is placed in the way of Surface Mount. Temperatures below 0°C are required to keep it reliable. Temperatures below 70°C allow stable operation. A power supply of 2.5/5V volts powers it.
ICS553MLF Features
8 terminations
ICS553MLF Applications
There are a lot of Integrated Device Technology (IDT) ICS553MLF Clock Buffers & Drivers applications.