"Quad" in IC packages typically refers to a configuration where the IC (Integrated Circuit) has pins on all four sides. Some examples of quad packages include:
•Quad Flat Packages (QFP): These are flat, square or rectangular surface-mount packages with pins on all four sides. They can have a varying number of pins depending on the specific package, ranging from as few as 32 to over 200. QFPs are commonly used for microprocessors, micro-controllers, and other integrated circuits.
•Quad Flat No-Lead (QFN): This package is similar to the QFP but the leads do not extend from the package, making it even more compact. The electrical connection is made through conductive pads on the bottom of the IC. This package is often used for ICs that require good thermal performance in a small size.
•Quad In-Line Package (QIP): This is a type of through-hole mount IC package with two rows of pins on each side, for a total of four rows. This is less common than the dual in-line package (DIP) which has two rows of pins on opposite sides.
•Quad J-Lead (SOJ): This is a type of surface-mount package that uses J-shaped leads on four sides of the component.
•Plastic Leaded Chip Carrier (PLCC): This is a square surface-mount package with rounded corners, and leads on all four sides.
These packages provide a high pin count in a small area, making them useful for complex ICs. As always, the specific properties of an IC, such as its pin-out and electrical characteristics, will depend on the specific IC and its manufacturer. It's important to refer to the data-sheet for detailed information.
Quad IC Package
To create a QUAD part click the 
button in The Part Builder
The part builder will automatically create the footprint for the device and also a suitable schematic symbol with the pin names left blank for you to fill in.