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LM81 Datasheet(PDF) 8 Page - Texas Instruments |
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LM81 Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 43 page  LM81 SNAS011E – JUNE 1999 – REVISED FEBRUARY 2002 www.ti.com DC ELECTRICAL CHARACTERISTICS (1) (continued) The following specifications apply for +2.8VDC ≤ V+ ≤ +3.8VDC, RS = 500Ω, unless otherwise specified. Boldface limits apply for TA = TJ = TMIN to TMAX; all other limits TA = TJ = 25˚C. SYMBOL PARAMETER TEST CONDITIONS TYPICAL(2) LIMITS LIMITS UNIT LM81BIM(3) LM81CIM(3) VOUT(0) Logical “0” Output Voltage IOUT = −3.0 mA 0.4 0.4 V (min) IOH High Level Output Current VOUT = V+ 0.1 100 100 µA (max) RESET and Chassis Intrusion 45 20 20 ms Pulse Width (min) DIGITAL INPUTS: VID0–VID4, NTEST_IN, A0/NTEST_OUT, A1, Chassis Intrusion (CI) VIN(1) Logical “1” Input Voltage 2.0 2.0 V (min) VIN(0) Logical “0” Input Voltage 0.8 0.8 V (max) SMBus DIGITAL INPUTS (SMBCLK, SMBData) VIN(1) Logical “1” Input Voltage 2.1 1.4 V (min) VIN(0) Logical “0” Input Voltage 0.8 0.6 V (max) Tach Pulse Logic Inputs (FAN1, FAN2) VIN(1) Logical “1” Input Voltage 0.7 x V+ 0.7 x V+ V (min) VIN(0) Logical “0” Input Voltage 0.3 x V+ 0.3 x V+ V (max) ALL DIGITAL INPUTS IIN(1) Logical “1” Input Current VIN = V+ −0.005 -1 -1 µA (min) IIN(0) Logical “0” Input Voltage VIN = 0 VDC 0.005 1 1 µA (max) CIN Digital Input Capacitance 20 pF 8 Submit Documentation Feedback Copyright © 1999–2002, Texas Instruments Incorporated Product Folder Links: LM81 |
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Similar Description - LM81_13 |
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