staggered pin grid array (IC package) (SPGA)

In the Staggered Pin Grid Array (SPGA) used for central processing units( CPU), the connections are arranged in several rows staggered under the package.

Staggered Package (SPGA) with staggered pin arrangement

The SPGA package is a variant of the PGA package and is designed for CPUs that have more than 200 connections.

The SPGA package is characterized by the fact that more connections can be accommodated in the same space due to the staggered layout of the pins.

The staggered design is used in the Pentium and later central processing units.