ICS9LRS3191AKLF Overview
There are 2011 publised of the part. Clock program is recommended that Clock program be mounted wClock programh Surface Mount. This device's minimum working temperature must not be less than 0°C. The operating temperature should be less than 70°C.
ICS9LRS3191AKLF Features

ICS9LRS3191AKLF Applications
There are a lot of Integrated Device Technology (IDT)
ICS9LRS3191AKLF application specific timer applications.

Network Attached Storage
Multi-function Printer
Wireless Access Point
Routers
Ethernet switch/router
PCI Express 2.0/3.0
Broadcast video/audio timing
Processor and FPGA clocking
Any-frequency clock conversion
MSAN/DSLAM/PON

Mount	Surface Mount
Published	2011
Max Operating Temperature	70°C
Min Operating Temperature	0°C
PLL	No
RoHS Status	RoHS Compliant