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LM32 Fiches technique(PDF) 5 Page - National Semiconductor (TI) |
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LM32 Fiches technique(HTML) 5 Page - National Semiconductor (TI) |
5 / 24 page SWD and ADD DIGITAL INPUT CHARACTERISTICS Symbol Parameter Conditions Typical (Note 7) Limits (Note 8) Units (Limit) V IH SWD Logical High Input Voltage 2.1 V (min) V+ + 0.5 V (max) V IL SWD Logical Low Input Voltage 0.8 V (max) -0.5 V (min) V IH ADD Logical High Input Voltage 90%xV+ V (min) V IL ADD Logical Low Input Voltage 10%xV+ V (max) V HYST Input Hysteresis 300 mV I L SWD and ADD Input Current GND ≤ V IN ≤ V+ ±0.005 ±10 µA (max) SWD Input Current with V+ Open or Grounded GND ≤ V IN ≤ 3.6V, and V+ Open or GND ±0.005 µA C IN Digital Input Capacitance 10 pF SWD DIGITAL OUTPUT CHARACTERISTICS Symbol Parameter Conditions Typical (Note 7) Limits (Note 8) Units (Limit) V OL Open-drain Output Logic “Low” Voltage I OL = 4mA 0.4 V (max) I OL = 50µA 0.2 V (max) I OH Open-drain Output Off Current ±0.005 ±10 µA (max) C OUT Digital Output Capacitance 10 pF AC Electrical Characteristics The following specification apply for V+ = +3.0 V DC to +3.6 VDC, unless otherwise specified. Boldface limits apply for T A =TJ =TMIN=0˚C to TMAX=85˚C; all other limits TA =TJ = 25˚C. The SensorPath Characteristics conform to the SensorPath specification revision 0.98. Please refer to that speciation for further details. Symbol Parameter Conditions Typical (Note 7) Limits (Note 8) Units (Limits) HARDWARE MONITOR CHARACTERISTICS t CONV Total Monitoring Cycle Time (Note 12) All Temperature readings (Default) 182 163.8 ms (min) 200.2 ms (max) SensorPath Bus CHARACTERISTICS t f SWD fall time (Note 15) R pull-up=1.25 k Ω ±30%, C L=400 pF 300 ns (max) t r SWD rise time (Note 15) R pull-up=1.25 k Ω ±30%, C L=400 pF 1000 ns (max) t INACT Minimum inactive time (bus at high level) guaranteed by the slave before an attention request 11 µs (min) t Mtr0 Master drive for Data Bit 0 write and for Data Bit 0-1read 11.8 µs (min) 17.0 µs (max) t Mtr1 Master drive for Data Bit 1 write 35.4 µs (min) 48.9 µs (max) t SFEdet Time allowed for LM32 activity detection 9.6 µs (max) t SLout1 LM32 drive for Data Bit 1 read by master 28.3 µs (min) 38.3 µs (max) t MtrS Master drive for Start Bit 80 µs (min) 109 µs (max) t SLoutA LM32 drive for Attention Request 165 µs (min) 228 µs (max) t RST Master or LM32 drive for Reset 354 µs (min) www.national.com 5 |
Numéro de pièce similaire - LM32 |
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Description similaire - LM32 |
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