It's a electronic part of the 20-SSOP (0.154, 3.90mm Width) package. There is a Tube package attached to it. Normal operation has a maximum value of 80MHz. As far as I can tell, it is mounted by Surface Mount. There is a classification of Fanout Buffer (Distribution) for this electronic part. Setting the temperature to -40°C~85°C TA will ensure reliable performance. It should be able to work with a power source of 3V~3.6VV. There is CMOS, TTL output from clock driver. It belongs to the 49FCT series of electronic parts.
PI49FCT3807BQE+AM Features
The operating temperature of -40°C~85°C TA degrees
PI49FCT3807BQE+AM Applications
There are a lot of Diodes Incorporated PI49FCT3807BQE+AM Clock Buffers & Drivers applications.