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LM96000CIMTX Datasheet(PDF) 6 Page - National Semiconductor (TI) |
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LM96000CIMTX Datasheet(HTML) 6 Page - National Semiconductor (TI) |
6 / 28 page AC Electrical Characteristics (Continued) The following specifications apply for V+ = 3.0V to 3.6V unless otherwise specified in conditions. Boldface limits apply for T A =T J over TMIN =0˚C to TMAX=85˚C; all other limits TA =TJ= 25˚C. Symbol Parameter Conditions Typical (Note 7) Limits (Note 8) Units (Limits) f BUF SMBus Free Time Between Stop And Start Condition 4.7 µs (min) t HD_STA Hold Time After (Repeated) Start Condition (after this period, the first clock is generated) 4.0 µs (min) t SU:STA Repeated Start Condition Setup Time 4.7 µs (min) t SU:STO Stop Condition Setup Time 4.0 µs (min) t HD:DAT Data Output Hold Time 300 ns (min) 930 ns (max) t SU:DAT Data Input Setup Time 250 ns (min) t TIMEOUT Data And Clock Low Time To Reset Of SMBus Interface Logic(Note 14) 25 35 ms (min) ms (max) t LOW Clock Low Period 4.7 µs (min) t HIGH Clock High Period 4.0 50 µs (min) µs (max) t F Clock/Data Fall Time 300 ns (max) t R Clock/Data Rise Time 1000 ns (max) t POR Time from Power-On-Reset to LM96000 Reset and Operational V+ > 2.8V 500 ms (max) 20084603 Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed test conditions. Note 2: All voltages are measured with respect to GND, unless otherwise noted. Note 3: When the input voltage (VIN) at any pin exceeds the power supplies (VIN < GND or VIN >V+ ), the current at that pin should be limited to 5mA. The 20mA maximum package input current rating limits the number of pins that can safely exceed the power supplies with an input current of 5mA to four. Parasitic components and/or ESD protection circuitry are shown below for the LM96000’s pins. The nominal breakdown voltage the zener is 6.5V. Care should be taken not to forward bias the parasitic diode D1 present on pins D+ and D−. Doing so by more that 50 mV may corrupt temperature measurements. SNP stands for snap-back device. www.national.com 6 |
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