Spartan-IIE FPGAs Lower I/O Cost - Obsolete (WP172) - Shows how the Spartan-IIE family addresses the needs for lower cost and an increased number of I/Os. The Spartan-IIE family has been specifically designed for consumer designs with a heavy focus on total system cost, delivering the most I/O for the money. Additionally, the Spartan-IIE family offers a hassle free density migration path and a highly efficient I/O banking scheme, with substantial I/O standards to further reduce system cost. This document is obsolete/under obsolescence.