No the Dromaeosaurus lived in the Late Cretaceous Period 76.5 to 74.8 million years ago. To be more accurate this was during the Campanian Age (83.5 - 70.6 Ma) in the Upp…er Cretaceous Epoch (99.6 - 65.5 Ma) in the Cretaceous Period (145.5 - 65.5 Ma). The Jurassic Period on the other had was 199.6 to 145.5 million years ago well before Dromaeosaurus (MORE)

Dromaeosaurus had one of the largest encephalization quotients of any dinosaur. Therefor, they were probably smarter than any modern reptiles, but not as smart as most birds.