Data from a source domain operating at a first data rate is transferred to a FIFO in another domain operating at a different data rate. The FIFO buffers data before transfer to a sink for further processing or storage. A source side counter tracks space available in the FIFO. In disclosed examples, the...http://www.google.co.uk/patents/US7725625?utm_source=gb-gplus-sharePatent US7725625 - Latency insensitive FIFO signaling protocol
