There is a SSOP-serial number on the packaging of this product that identifies it as being packaged in a case. There have been 2009 publications of this part. If you want to mount it with Surface Mount, that's what you should do. On this device, there are 56 pins. Circuits application is essential that the minimum working temperature of this device not be below 0°C. Temperatures below 70°C degrees Celsius should be used.
ICS953805CF Features
with 56 Pins
ICS953805CF Applications
There are a lot of Integrated Device Technology (IDT) ICS953805CF application specific timer applications.