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DS28E01P-100 Datasheet(PDF) 2 Page - Dallas Semiconductor |
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DS28E01P-100 Datasheet(HTML) 2 Page - Dallas Semiconductor |
2 / 16 page Abridged Data Sheet DS28E01-100 2 of 16 ABSOLUTE MAXIMUM RATINGS IO Voltage to GND -0.5V, +6V IO Sink Current 20mA Operating Temperature Range -40°C to +85°C Junction Temperature +150°C Storage Temperature Range -55°C to +125°C Soldering Temperature See IPC/JEDEC J-STD-020A Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to the absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS (TA = -40°C to +85°C; see Note 1.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS IO PIN GENERAL DATA 1-Wire Pullup Voltage VPUP (Note 2) 2.8 5.25 V 1-Wire Pullup Resistance RPUP (Notes 2, 3) 0.3 2.2 k Ω Input Capacitance CIO (Notes 4, 5) 1000 pF Input Load Current IL IO pin at VPUP 0.05 6.7 µA High-to-Low Switching Threshold VTL (Notes 5, 6, 7) 0.46 VPUP - 1.8V V Input Low Voltage VIL (Notes 2, 8) 0.5 V Low-to-High Switching Threshold VTH (Notes 5, 6, 9) 1.0 VPUP - 1.1V V Switching Hysteresis VHY (Notes 5, 6, 10) 0.21 1.70 V Output Low Voltage VOL At 4mA Current Load (Note 11) 0.4 V Standard speed, RPUP = 2.2kΩ 5 Overdrive speed, RPUP = 2.2kΩ 2 Recovery Time (Notes 2, 12) tREC Overdrive speed, directly prior to reset pulse; RPUP = 2.2kΩ 5 µs Standard speed 0.5 5.0 Rising-Edge Hold-off Time (Notes 5, 13) tREH Overdrive speed Not applicable (0) µs Standard speed 65 Time slot Duration (Note 2, 14) tSLOT Overdrive speed 8 µs IO PIN, 1-WIRE RESET, PRESENCE DETECT CYCLE Standard speed 480 640 Reset Low Time (Note 2) tRSTL Overdrive speed 48 80 µs Standard speed 15 60 Presence Detect High Time tPDH Overdrive speed 2 6 µs Standard speed 60 240 Presence Detect Low Time tPDL Overdrive speed 8 24 µs Standard speed 60 75 Presence Detect Sample Time (Notes 2, 15) tMSP Overdrive speed 6 10 µs IO PIN, 1-Wire WRITE Standard speed 60 120 Overdrive speed, VPUP > 4.5V 5 15.5 Write-0 Low Time (Notes 2, 16, 17) tW0L Overdrive speed 6 15.5 µs Standard speed 1 15 Write-1 Low Time (Notes 2, 17) tW1L Overdrive speed 1 2 µs IO PIN, 1-Wire READ Standard speed 5 15 - δ Read Low Time (Notes 2, 18) tRL Overdrive speed 1 2 - δ µs Standard speed tRL + δ 15 Read Sample Time (Notes 2, 18) tMSR Overdrive speed tRL + δ 2 µs |
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