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PC8477BV-1 Datasheet(PDF) 48 Page - National Semiconductor (TI) |
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PC8477BV-1 Datasheet(HTML) 48 Page - National Semiconductor (TI) |
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48 / 54 page  70 Reference Section (Continued) TABLE 7-1 8477B – 82077 Parameter Comparison Description PC8477B 82077AA 82077SL Units Absolute Maximum Ratings Supply Voltage b 05 – 70 b 05 – 80 b 05 – 80 V DC Limits VIH Clock MIN 20 39 39 V IOL MFM pin (VOL e 04V) 40 25 25 mA IOH MFM pin (VOH e 30V) b 40 b 25 b 25 mA ICC Low Power (Analog a Digital) Typical 0505 15 mA ICCLow Power (Analog a Digital) Tested 205 no spec mA AC Timings t5 (tICP)–INTERNAL Clock Period 1 Mbs 125 125 125 ns 500 kbs 125 250 250 ns 300 kbs 208 420 420 ns 250 kbs 250 500 500 ns t8 (tRR)–Read Active Pulse Width MIN 60 90 90 ns t10 (tRD)–Read to Valid Data 45 80 80 ns t11 (tRH)–Read Inactive Pulse Width 45 60 60 ns t12 (tDF)–Delay to Float 25 35 35 ns t13 (tRI)–Interrupt Delay from Read Inactive MAX 1 Mbs 55 250 250 ns 500 kbs 55 375 375 ns 300 kbs 55 545 545 ns 250 kbs 55 625 625 ns t16 (tWW)–Write Active Pulse Width MIN 60 90 90 ns t19 (tDW)–Data Setup to Write Active 30 70 70 ns t18 (tWH)–Write Inactive Pulse Width 45 60 60 ns tADW–Address Setup to Write Inactive MIN 65 no spec no spec ns t21 (tWI)–Interrupt Delay from Write Inactive 1 Mbs 55 250 250 ns 500 kbs 55 375 375 ns 300 kbs 55 545 545 ns 250 kbs 55 625 625 ns t22 (tQP)–DRQ Cycle Period MIN 8 65 65 m s t23 (tKQ)–DACK Active to DRQ Inactive MAX 65 75 75 ns t23a (tQK a tKK)–DRQ to DACK Inactive 1 Mbs 60 no spec 83 ns 500 kbs 60 no spec 166 ns 300 kbs 60 no spec 280 ns 250 kbs 60 no spec 333 ns t24 (tRQ)–RD WR Active to DRQ Inactive MAX 65 100 100 ns t27 (tQR)–DRQ to RD WR Active MIN 15 0 0 ns t29 (tTQ)–TC Active to DRQ Inactive MAX 75 150 150 ns tKK–DACK Active Pulse Width MIN 65 no spec no spec ns tKI–DACK Inactive Pulse Width MIN 25 no spec no spec ns tQK–DRQ to DACK Active MIN 10 no spec no spec ns t30 (tRW)–Reset Pulse Width MIN 100 7083 7083 ns t30a (tRW)–Software Reset Pulse Width MIN (Worst Case) 100 3500 500 ns t31 (tRC)–Reset to Control Inactive 160 2000 2000 ns t32 (tWDW)–Write Data Pulse Width MIN 1 Mbs 250 150 150 ns 500 kbs 250 360 360 ns 300 kbs 416 615 615 ns 250 kbs 500 740 740 ns 48 |
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