FIFOs Using Virtex-II Block RAM - Obsolete Product Obsolete/Under Obsolescence Application Note: Virtex-II Series R FIFOs Using Virtex-II Block RAM XAPP258 (v1.4) January 7, 2005 Summary The Virtex-II FPGA series provides dedicated on-chip blocks of 18 Kbit True Dual-Port synchronous RAM for use in FIFO applications. This application note describes a way to create a common-clock (synchronous) version and an independent-clock (asynchronous) version o……