IDT54FCT2574ATQB Datasheet and IDT54FCT2574ATQB manual

Manufacturer : IDT 

Packing : QSOP 

Pins : 20 

Temperature : Min -55 °C | Max 125 °C

Size : 184 KB

Application : Fast CMOS octal D register (3-state) 

IDT54FCT2574ATQB PDF Download