Programmable logic devices (PLDs) allow designers to make key system changes late in the development cycle, thus providing flexibility and fast time-to-market. The Ultra37000 family is designed to bring the flexibility, ease of use, and performance of the 22V10 to high-density CPLDs
> From 32 to 256 macrocells > In-System Reprogrammable™ (ISR™) feature offers high density and high performance > True 3.3V and 5V versions > Full JTAG (IEEE 1149.1) compatibility > PCI compliant