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EP910 датащи(PDF) 30 Page - Altera Corporation |
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EP910 датащи(HTML) 30 Page - Altera Corporation |
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30 / 42 page ![]() 774 Altera Corporation Classic EPLD Family Data Sheet Tables 21 and 22 show the timing parameters for EP910I devices. Table 21. EP910I External Timing Parameters Notes (1), (2) Symbol Parameter Conditions EP910I-12 EP910I-15 EP910I-25 Non-Turbo Adder Unit Min Max Min Max Min Max (3) tPD1 Input to non-registered output C1 = 35 pF 12.0 15.0 25.0 40.0 ns tPD2 I/O input to non-registered output C1 = 35 pF 12.0 15.0 25.0 40.0 ns tPZX Input to output enable C1 = 35 pF 15.0 18.0 28.0 40.0 ns tPXZ Input to output disable C1 = 35 pF (4) 15.0 18.0 28.0 40.0 ns tCLR Asynchronous output clear time C1 = 35 pF 15.0 18.0 28.0 40.0 ns fMAX Global clock maximum frequency (5) 125.0 100.0 62.5 0.0 MHz tSU Global clock input setup time 8.0 11.0 16.0 40.0 ns tH Global clock input hold time 0.0 0.0 0.0 0.0 ns tCH Global clock high time 5.0 6.0 10.0 0.0 ns tCL Global clock low time 5.0 6.0 10.0 0.0 ns tCO1 Global clock to output delay 8.0 9.0 14.0 0.0 ns tCNT Global clock minimum clock period C1 = 35 pF 13.0 15.0 25.0 40.0 ns fCNT Maximum internal global clock frequency (6) 76.9 66.6 40.0 0.0 MHz tASU Array clock input setup time 3.0 4.0 8.0 40.0 ns tAH Array clock input hold time 6.0 7.0 8.0 ns tACH Array clock high time 6.0 7.5 12.5 ns tACL Array clock low time 6.0 7.5 12.5 ns tODH Output data hold time after clock C1 = 35 pF (7) 1.0 1.0 1.0 ns tACO1 Array clock to output delay C1 = 35 pF 16.0 18.0 22.0 40.0 ns tACNT Array clock minimum clock period 13.0 15.0 25.0 40.0 ns fACNT Maximum internal array clock frequency (6) 76.9 66.6 40.0 MHz |
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