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DS12R885 Datasheet(PDF) 3 Page - Maxim Integrated Products |
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DS12R885 Datasheet(HTML) 3 Page - Maxim Integrated Products |
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3 / 22 page  RTC with Constant-Voltage Trickle Charger _____________________________________________________________________ 3 DC ELECTRICAL CHARACTERISTICS (DS12R885 Only) (VCC = 0V, VBACKUP = 3.2V, TA = -40°C to +85°C, unless otherwise noted.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS VBACKUP Current (OSC On); TA = +25°C, VBACKUP = 3.0V IBACKUP2 (Note 7) 800 1000 nA VBACKUP Current (Oscillator Off) IBACKUPDR (Note 7) 100 nA AC ELECTRICAL CHARACTERISTICS (VCC = 4.5V to 5.5V, TA = -40°C to +85°C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Cycle Time tCYC 180 DC ns Pulse Width, DS Low or R/ W High PWEL 80 ns Pulse Width, DS High or R/ W Low PWEH 65 ns Input Rise and Fall tR, tF 30 ns R/ W Hold Time tRWH 0ns R/ W Setup Time Before DS/E tRWS 10 ns Chip-Select Setup Time Before DS or R/ W tCS 5ns Chip-Select Hold Time tCH 0ns Read-Data Hold Time tDHR 535 ns Write-Data Hold Time tDHW 0ns Address Valid Time to AS Fall tASL 20 ns Address Hold Time to AS Fall tAHL 5ns Delay Time DS/E to AS Rise tASD 10 ns Pulse Width AS High PWASH 30 ns Delay Time, AS to DS/E Rise tASED 35 ns Output Data Delay Time from DS or R/ W tDDR (Note 8) 15 60 ns Data Setup Time tDSW 50 ns Reset Pulse Width tRWL 5µs IRQ Release from DS tIRDS 02 µs IRQ Release from RESET tIRR 02 µs |
Similar Part No. - DS12R885 |
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Similar Description - DS12R885 |
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