It's a electronic part of the TSSOP package. For operation, 48 pins are used. It consumes 100nA quiescent current and is unaffected by external influences.
74LVC162244ADGG,512 Features
74LVC162244ADGG,512 Applications
There are a lot of NXP Semiconductors / Freescale 74LVC162244ADGG,512 Clock Buffers & Drivers applications.