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LM81CIMTX-32 Datasheet(PDF) 6 Page - National Semiconductor (TI) |
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LM81CIMTX-32 Datasheet(HTML) 6 Page - National Semiconductor (TI) |
6 / 32 page DC Electrical Characteristics (Continued) The following specifications apply for +2.8V DC ≤ V + ≤ +3.8V DC,RS = 500Ω, unless otherwise specified. Boldface limits apply for T A = TJ = TMIN to TMAX; all other limits TA = TJ = 25˚C. (Note 8) Symbol Parameter Conditions Typical Limits Units (Note 9) (Note 10) (Limits) DIGITAL OUTPUTS (NTEST_OUT) V OUT(1) Logical “1” Output Voltage I OUT = ±3.0 mA at V + = +2.8V 2.4 V (min) V OUT(0) Logical “0” Output Voltage I OUT = ±3.0 mA at V + = +3.8V 0.4 V (max) OPEN- DRAIN DIGITAL OUTPUTS (SMBData, RESET, CI, INT, T_CRIT_A) V OUT(0) Logical “0” Output Voltage I OUT = −3.0 mA 0.4 V (min) I OH High Level Output Current V OUT = V + 0.1 100 µA (max) RESET and Chassis Intrusion 45 20 ms (min) Pulse Width DIGITAL INPUTS: VID0–VID4, NTEST_IN, A0/NTEST_OUT, A1, Chassis Intrusion (CI) V IN(1) Logical “1” Input Voltage 2.0 V (min) V IN(0) Logical “0” Input Voltage 0.8 V (max) SMBus DIGITAL INPUTS (SMBCLK, SMBData) V IN(1) Logical “1” Input Voltage 1.4 V (min) V IN(0) Logical “0” Input Voltage 0.6 V (max) Tach Pulse Logic Inputs (FAN1, FAN2) V IN(1) Logical “1” Input Voltage 0.7xV + V (min) V IN(0) Logical “0” Input Voltage 0.3xV + V (max) ALL DIGITAL INPUTS I IN(1) Logical “1” Input Current V IN = V + −0.005 −1 µA (min) I IN(0) Logical “0” Input Current V IN = 0VDC 0.005 1 µA (max) C IN Digital Input Capacitance 20 pF www.national.com 6 |
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