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EPM7256AE 数据表(PDF) 13 Page - Altera Corporation |
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EPM7256AE 数据表(HTML) 13 Page - Altera Corporation |
13 / 64 page Altera Corporation 13 MAX 7000A Programmable Logic Device Data Sheet Figure 5. MAX 7000A PIA Routing While the routing delays of channel-based routing schemes in masked or FPGAs are cumulative, variable, and path-dependent, the MAX 7000A PIA has a predictable delay. The PIA makes a design’s timing performance easy to predict. I/O Control Blocks The I/O control block allows each I/O pin to be individually configured for input, output, or bidirectional operation. All I/O pins have a tri-state buffer that is individually controlled by one of the global output enable signals or directly connected to ground or VCC. Figure 6 shows the I/O control block for MAX 7000A devices. The I/O control block has 6 or 10 global output enable signals that are driven by the true or complement of two output enable signals, a subset of the I/O pins, or a subset of the I/O macrocells. To LAB PIA Signals |
类似零件编号 - EPM7256AE |
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类似说明 - EPM7256AE |
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