A class of fpgas with the lowest cost in the industry;The latter is mainly for high-end applications and belongs to the top products in the industry.The differences between the two series are limited only to the size of the chip and the dedicated modules, both using advanced 0.13, 90 and even 65 manufacturing processes, with the same superior quality. 1. Spartan FPGA The Spartan family is suitable for common industrial, commercial and other fields. The mainstream chips include: spartan-2, spartan-2e, spartan-3, spartan-3a, spartan-3e and the latest spartan-6.Spartan-2 can reach up to 200,000 system doors, spartan-2e can reach up to 600,000 system doors, and spartan-3 can reach up to 5 million doors. The spartan-3a and spartan-3e not only have a larger number of system doors, but also enhance a large number of built-in special multiplier and special block RAM resources, enabling the realization of complex digital signal processing and programmable systems on chip. (1) the Spartan - 2 series The spartan-2 inherits more logic resources from the Spartan series to achieve higher performance, with a chip density of up to 200,000 system gates.Thanks to its mature FPGA architecture, support for popular interface standards, reasonable amount of logic resources and in-chip RAM, and flexible clock processing, it can run 8-bit PicoBlaze soft core, mainly used in various low-end products.Its main features are as follows: 0.18 process, density up to 5292 logic unit;The system clock can reach 200MHz;The maximum number of doors is 200,000, with a delay digital phase-locked loop;Having programmable user I/O;Having on-chip RAM storage resources;