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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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DS2407 датащи(PDF) 30 Page - Dallas Semiconductor |
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DS2407 датащи(HTML) 30 Page - Dallas Semiconductor |
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30 / 31 page  PIO–A, PIO–B 1–WIRE tSUA, tSUB DS2407 012099 30/31 CAPACITANCE (tA=25°C) PARAMETER SYMBOL MIN TYP MAX UNITS NOTES Capacitance DATA Pin CD 800 pF 7 Capacitance PIO–A Pin CA 100 pF Capacitance PIO–B Pin CB 25 pF Capacitance VCC Pin CC 10 pF AC ELECTRICAL CHARACTERISTICS ( VPUP=2.8V to 6.0V; –40°C to +85°C) PARAMETER SYMBOL MIN TYP MAX UNITS NOTES Time Slot tSLOT 60 120 µs Write 1 Low Time tLOW1 1 15 µs Write 0 Low Time tLOW0 60 120 µs Read Data Valid tRDV exactly 15 µs Release Time tRELEASE 0 15 45 µs Read Data Setup DATA tSU 1 µs 5 Recovery Time tREC 1 µs Reset Time High tRSTH 480 µs 4 Reset Time Low tRSTL 480 5000 µs 8 Presence Detect High tPDHIGH 15 60 µs Presence Detect Low tPDLOW 60 240 µs Read Data Setup PIO–A tSUA 500 ns Read Data Setup PIO–B tSUB 500 ns Delay to Program tDP 5 µs Delay to Verify tDV 5 µs Program Pulse Width tPP 480 µs Program Voltage Rise Time tRP 0.5 5.0 µs Program Voltage Fall Time tFP 0.5 5.0 µs DEFINITION OF PIO READ DATA SETUP TIME |
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