The 72801 is equivalent to two 72201 256 x 9 FIFOs The 72811 is equivalent to two 72211 512 x 9 FIFOs The 72821 is equivalent to two 72221 1024 x 9 FIFOs The 72831 is equivalent to two 72231 2048 x 9 FIFOs The 72841 is equivalent to two 72241 4096 x 9 FIFOs Offers optimal combination of large capacity, high speed, design flexibility and small footprint Ideal for prioritization, bidirectional, and width expansion applications