ICS9LPRS397EKLF Overview
There have been 2013 publications of this part. If you want to mount it with Surface Mount, that's what you should do. 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.
ICS9LPRS397EKLF Features

ICS9LPRS397EKLF Applications
There are a lot of Integrated Device Technology (IDT)
ICS9LPRS397EKLF application specific timer applications.

MSAN/DSLAM/PON
Fibre Channel, SAN
Telecom line cards
1 GbE and 10 GbE
Servers, Storage, Search Acceleration
Ethernet Switches, Routers
Small Cells, Mobile Backhaul/Fronthaul
Print Imaging
Communications
Broadcast Video

Mount	Surface Mount
Published	2013
Max Operating Temperature	70°C
Min Operating Temperature	0°C
Input	Crystal
PLL	No
RoHS Status	RoHS Compliant