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MK5027DIP 数据表(PDF) 12 Page - STMicroelectronics |
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MK5027DIP 数据表(HTML) 12 Page - STMicroelectronics |
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12 / 19 page ![]() AC TIMING SPECIFICATIONS (Continued) TA =0 °Cto 70 °C, VCC = +5V ±5 percent, unless otherwise specified. No Signal Symbol Parameter Test Conditions Min. Typ. Max. Units 42 DAS TADAS Delay from the falling edge of ALE to the falling edge of DAS 80 ns 43 DAS TRIDF Delay from the rising edge of DALO to the falling edge of DAS (bus master read) 35 ns 44 DAS TRDYS Delay from the falling edge of READY to the falling edge of DAS TARYD = 300ns TSCT = 100ns 120 200 ns 45 DALI TROIF Delay from the rising edge of DALO to the falling edge of DALI (bus master read) 70 ns 46 DALI TRIS DALI setup time to the rising edge of DAS (bus master read) 150 ns 47 DALI TRIH DALI hold time after the rising edge of DAS (bus master read) 0ns 48 DALI TRIOF Delay from the rising edge of DALI to the falling edge of DALO (bus master read) 70 ns 49 DALO TOS DALO setup time to the falling edge of ALE (bus master read) 110 ns 50 DALO TROH DALO hold time after the falling edge of ALE (bus master read) 35 ns 51 DALO TWDSI Delay from the rising edge of DAS to the rising edge of DALO (bus master write) 50 ns 52 CS TCSH CS hold time after the rising edge of DAS (bus slave) 0ns 53 CS TCSS CS setup time to the falling edge of DAS (bus slave) 0ns 54 ADR TSAH ADR hold time after the rising edge of DAS (bus slave) 0ns 55 ADR TSAS ADR setup time to the falling edge of DAS (bus slave) 0ns 56 READY TARYD Delay from the falling edge of ALE to the falling edge of READY to Insure a Minimum Bus Cycle Time (600ns) TSCT = 100ns 150 ns 57 READY TSRDS Data setup time to the falling edge of READY (bus slave read) 75 ns 58 READY TRDYH READY hold time after the rising edge of DAS (bus master) 0ns 59 READY TSRYH READY hold time after the rising edge of DAS (bus slave) TSCT = 100ns 0 35 ns 60 READY TRSH READ hold time after rhe rising edge of DAS (bus slave) 0ns 61 READ TSRS READ setup time after rhe rising edge of DAS (bus slave) 0ns 62 READY TRDYD Delay from falling edge of DAS to falling edge of READY (bus slave) TSCT = 100ns 200 ns MK5027 12/19 |
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