It's a electronic part of the 20-SSOP (0.209, 5.30mm Width) package. It is packaged as a Tube. If this is the case, it will be mounted as Surface Mount. There is a classification of Fanout Buffer (Distribution) for this electronic part. Setting the temperature to 0°C~70°C will ensure reliable performance. It should be capable of operating with a power supply of 3V~3.6V volts. The output is CMOS, LVTTL. The IDT49FCT3805 family contains it. It is part of the 49FCT series of electrical components.
49FCT3805PYG Features
The operating temperature of 0°C~70°C degrees
49FCT3805PYG Applications
There are a lot of Renesas Electronics America Inc. 49FCT3805PYG Clock Buffers & Drivers applications.