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EPF81500A Datasheet(PDF) 5 Page - Altera Corporation |
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EPF81500A Datasheet(HTML) 5 Page - Altera Corporation |
5 / 62 page Altera Corporation 5 FLEX 8000 Programmable Logic Device Family Data Sheet 3 Figure 1 shows a block diagram of the FLEX 8000 architecture. Each group of eight LEs is combined into an LAB; LABs are arranged into rows and columns. The I/O pins are supported by I/O elements (IOEs) located at the ends of rows and columns. Each IOE contains a bidirectional I/O buffer and a flipflop that can be used as either an input or output register. Figure 1. FLEX 8000 Device Block Diagram Signal interconnections within FLEX 8000 devices and between device pins are provided by the FastTrack Interconnect, a series of fast, continuous channels that run the entire length and width of the device. IOEs are located at the end of each row (horizontal) and column (vertical) FastTrack Interconnect path. IOE IOE IOE IOE IOE IOE IOE IOE IOE IOE IOE IOE IOE IOE IOE IOE I/O Element (IOE) Logic Array Block (LAB) Logic Element (LE) FastTrack Interconnect |
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Similar Description - EPF81500A |
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