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DS2154 Datasheet(PDF) 85 Page - Dallas Semiconductor |
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DS2154 Datasheet(HTML) 85 Page - Dallas Semiconductor |
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85 / 87 page  DS2154 85 of 87 AC CHARACTERISTICS - NON-MULTIPLEXED PARALLEL (0 °C to 70°C; V DD=5V ±=5% for DS2154T; PORT (MUX=0) -40 °C to +85°C; V DD=5V ±=5% for DS2154TN) PARAMETER SYMBOL MIN TYP MAX UNITS NOTES Set Up Time for A0 to A7 Valid to CS Active t1 0 ns Set Up Time for CS Active to either RD , WR , or DS Active t2 0 ns Delay Time from either RD or DS Active to Data Valid t3 75 ns Hold Time from either RD , WR , or DS Inactive to CS Inactive t4 0 ns Hold Time from CS Inactive to Data Bus 3-state t5 5 20 ns Wait Time from either WR or DS Active to Latch Data t6 75 ns Data Set Up Time to either WR or DS Inactive t7 10 ns Data Hold Time from either WR or DS Inactive t8 10 ns Address Hold from either WR or DS Inactive t9 10 ns See Figures 14-10 to 14-13 for details. INTEL BUS READ AC TIMING (BTS=0/MUX=0) Figure 14-10 |
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