Yes and No. No, if you have enough space to keep them separate. Yes, an assembly bench, rather than a work bench "can" work as an outfeed table, but believe me you are constantly moving things around to make one more cut. BTDT See My Photos 12" triple saw album.
A work bench to hammer, chisel and plane on needn't be huge, but it must be "immovable" or heavy enough so it won't or can't move as in screwed to a wall. The vise(s) and other heavy operations should be separate from the assembly table. This bench is more often used with hand
tools when working in wood. In my case I have a wood only bench and a metal bench, each is separate and in different shop areas. I do a fail amount of welding and grinding and wrenching on stuff.
Some guys here, Lola Ranch aka Bret use a much lower assembly bench, about 18" off the floor, because of the nature of the projects they make; like furniture.
Then you can have a finishing table for staining, spraying and painting. This can be just 2 sawhorses with plywood resting on top or spaced out strips to allow the paint to fall through.
A simple way ro plan a shop is to scavange some large cardboard boxes from an appliance store and label them as power tool (tablesaw) workbench (wood) drillpress according to the amount of floorspace each tool requires. Change them around until you get a plane that makes sense.Also look a how others have arranged their power tools for movement around each tool as well as support for long workpieces.
A table saw will require a space 20ft long by 6 ft wide to rip a 4 X 8 ft sheet of plywood if you count walking around space.
Some guys hear break down the plywood outside thew shop on saw houses and strips before it comes into the shop....lots of double measuring and a very straight guide is required for accuracy.
Let's see some "before" shop photos? Door and windows play a very important role in the layout.