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Pin grid array
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<p>A pin grid array (PGA) is a type of <a href="/facts/Integrated_circuit_packaging/Y52WABfR">integrated circuit packaging</a>. In a PGA, the package is square or rectangular, and the pins are arranged in a regular array on the underside of the package. The pins are commonly spaced 2.54 mm (0.1") apart, and may or may not cover the entire underside of the package. </p><p>PGAs are often mounted on <a href="/facts/Printed_circuit_board/muSR2p43">printed circuit boards</a> using the <a href="/facts/Through-hole_technology/q0d03wve">through hole</a> method or inserted into a <a href="/facts/CPU_socket/ndWcsnq6">socket</a>. PGAs allow for more pins per integrated circuit than older packages, such as <a href="/facts/Dual_in-line_package/Qgu6Jave">dual in-line package</a> (DIP). </p>