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STLC5465B 数据表(PDF) 56 Page - STMicroelectronics |
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STLC5465B 数据表(HTML) 56 Page - STMicroelectronics |
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56 / 101 page ![]() VII - MICROPROCESSOR TIMING (continued) NCS0/1 NDSACK0/ NDTAC K / NREADY NA S / ALE ND S/ NRD AD0/15 R/W / NWR NBHE A16/23 A0/15 D0/15 t2 t4 t7 t6 t5 t8 t12 t9 t10 t3 t1 Figure 45 : ST10 (C16x) Write Cycle; Multiplexed A/D Symbol Parameter Min. Typ. Max. Unit t1 Delay Not Ready/ALE (if NCS0/1 = 0), (30pF) Delay when immediate access VDD =5V V DD = 3.3V 0 98 108 ns ns ns t2 Hold Time Chip Select / NWR 10 ns t3 Delay Not Ready / NRD rising edge Delay when immediate access VDD =5V V DD = 3.3V 0 98 108 ns ns ns t4 Width ALE 20 ns t5 Set-up Time Address / ALE 5 ns t6 Hold Time Address /ALE V DD =5V V DD = 3.3V 5 10 ns ns t7 Set up time Data/NWR -15 ns t8 Set up time NBHE-Address A 16/23/ALE 0 ns t9 Set-up Time NBHE, Address A 16/23/ALE 5 ns t10 Hold Time NBHE / NWR 10 ns t12 Delay NWR / NCS 0 ns STLC5465B 56/101 |
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