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EPLD Datasheet(PDF) 40 Page - Altera Corporation |
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EPLD Datasheet(HTML) 40 Page - Altera Corporation |
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40 / 42 page ![]() 784 Altera Corporation Classic EPLD Family Data Sheet Table 30. EP1810-35 & EP1810-45 External Timing Parameters Note (1) Symbol Parameter Conditions EP1810-35 EP1810-45 Non-Turbo Adder Unit Min Max Min Max (2) tPD1 Input to non-registered output C1 = 35 pF 35.0 45.0 30.0 ns tPD2 I/O input to non-registered output C1 = 35 pF 40.0 50.0 30.0 ns tSU Global clock setup time 25.0 30.0 30.0 ns tH Global clock hold time 0.0 0.0 0.0 ns tCH Global clock high time 12.0 15.0 0.0 ns tCL Global clock low time 12.0 15.0 0.0 ns tCO1 Global clock to output delay C1 = 35 pF 20.0 25.0 0.0 ns tCNT Minimum global clock period (3) 35.0 45.0 0.0 ns fCNT Maximum internal frequency (3) 28.6 22.2 0.0 MHz tASU Array clock setup time 10.0 11.0 30.0 ns tAH Array clock hold time 15.0 18.0 0.0 ns tACO1 Array clock to output delay C1 = 35 pF 35.0 45.0 30.0 ns tODH Output data hold time after clock C1 = 35 pF (4) 1.0 1.0 ns tACNT Array clock maximum clock period (3) 35.0 45.0 0.0 ns fACNT Maximum internal array clock frequency (3) 28.6 22.2 0.0 ns fMAX Maximum clock frequency (5) 40 33.3 0.0 MHz Table 31. EP1810-35 & EP1810-45 Internal Timing Parameters Symbol Parameter Conditions EP1810-35 EP1810-45 Non-Turbo Adder Unit Min Max Min Max (2) tIN Input pad and buffer delay 7.0 6.0 0.0 ns tIO I/O input pad and buffer delay 5.0 5.0 0.0 ns tLAD Logic array delay 19.0 28.0 30.0 ns tOD Output buffer and pad delay C1 = 35 pF 9.0 11.0 0.0 ns tZX Output buffer enable delay C1 = 35 pF 9.0 11.0 0.0 ns tXZ Output buffer disable delay C1 = 5 pF (6) 9.0 11.0 0.0 ns tSU Register setup time 10.0 10.0 0.0 ns tH Register hold time 15.0 18.0 0.0 ns tIC Array clock delay 19.0 28.0 30.0 ns tICS Global clock delay 4.0 8.0 0.0 ns tFD Feedback delay 6.0 7.0 –30.0 ns tCLR Register clear time 24.0 32.0 30.0 ns |
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