Computer/Embedded Technology


High bandwidth FIFOs

16 Feb 2000 Computer/Embedded Technology

IDT's x72 FIFOs are claimed to be the highest bandwidth FIFOs in the industry. The 3,3 V x 72 SuperSync II FIFOs operate at 100 MHz and are available in versions ranging from 32 Kb to 4 Mb densities. The FIFOs provide double the system bandwidth of existing x36 FIFO solutions in a single, high performance fine-pitch BGA package. IDT developed the x72 FIFO memories to support high-speed terabit switches and routers used by Internet service providers and carrier-class network operators. The devices not only provide the wide data paths needed but also deliver the performance and advanced features needed to make them the ideal solution for high-speed communications applications. The FIFOs are also the first to include JTAG which allows board designers to debug and test them and other components on the board.

All members of the extended-bus (x72) family of SuperSync II FIFOs are pin-compatible with each other and have a common feature set and timing characteristics with existing narrow-bus (x9/x18) and mid-bus (x36) SuperSync II FIFOs. In addition, the x72 FIFOs provide a separate serial clock, a synchronous output enable feature and bus-matching capabilities.



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