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MB91F467DA датащи(PDF) 104 Page - Cypress Semiconductor |
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MB91F467DA датащи(HTML) 104 Page - Cypress Semiconductor |
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104 / 137 page ![]() Document Number: 002-04613 Rev. *A Page 104 of 137 MB91460D Series 15.7.7 External Bus AC Timings at VDD35 = 4.5 to 5.5 V • Conditions during AC measurements All AC tests were measured under the following conditions: -IOdrive = 5 mA -VDD35 = 4.5 V to 5.5 V, Iload = 5 mA -VSS5 = 0 V -Ta = 40°C to 105°C -Cl = 50 pF - VOL = 0.2 × VDD35 - VOH = 0.8 × VDD35 - EPILR = 0, PILR = 1 (Automotive Level = worst case) Basic Timing (VDD35 = 4.5 V to 5.5 V, Vss5 = AVss5 = 0 V, TA = 40°C to 105°C) Note : tCLKT is the cycle time of the external bus clock. Parameter Symbol Pin name Value Unit Min Max MCLKO tCLCH MCLKO 1/2 x tCLKT 7 1/2 × tCLKT 7ns tCHCL 1/2 × tCLKT 7 1/2 × tCLKT 7ns MCLKO ↓ to CSXn delay time tCLCSL MCLKO CSXn —9 ns tCLCSH —8 ns MCLKO ↑ to CSXn delay time (Addr → CS delay) tCHCSL 5 2ns MCLKO ↓ to ASX delay time tCLASL MCLKO ASX —8 ns tCLASH —8 ns MCLKO ↓ to BAAX delay time tCLBAL MCLKO BAAX —5 ns tCLBAH 1— ns MCLKO ↓ to Address valid delay time tCLAV MCLKO A25 to A0 —11 ns |
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