LM80 datasheet(7/35 Pages) TI1

7 / 35 page

LM80

www.ti.com

SNIS102F – JUNE 1999 – REVISED MARCH 2013

DC Electrical Characteristics (continued)

The following specifications apply for +2.8 VDC ≤V

+ ≤ +3.8 V

DC for LM80CIMT-3, +4.25 VDC ≤V

+ ≤ +5.75 V

DC for LM80CIMT-5,

IN0-IN6 RS = 25Ω, unless otherwise specified. Boldface limits apply for TA = TJ = TMIN to TMAX; all other limits TA = TJ =

25°C.

(1)

Units

Symbol

Parameter

Conditions

Typical(2)

Limits(3)

(Limits)

DIGITAL OUTPUTS: A0/NTEST_OUT, INT

VOUT(1)

Logical “1” Output Voltage

IOUT = +5.0 mA at V

+ = +4.25V,

2.4

V (min)

IOUT = +3.0 mA at V

+ = +2.8V

VOUT(0)

Logical “0” Output Voltage

IOUT = −5.0 mA at V

+ = +5.75V,

0.4

V (max)

IOUT = −3.0 mA at V

+ = +3.8V

OPEN DRAIN OUTPUTS: GPO, RST_OUT/OS, CI

VOUT(0)

Logical “0” Output Voltage

IOUT =− 5.0 mA at V

+ = +5.75V,

0.4

V (min)

IOUT = −3.0 mA at V

+ = +3.8V

IOH

High Level Output Current

VOUT = V

0.1

100

μA (max)

RST_OUT/OS,

ms (min)

CI Pulse Width

OPEN DRAIN SERIAL BUS OUTPUT: SDA

VOUT(0)

Logical “0” Output Voltage

IOUT = −3.0 mA at V+ = +5.75V,

0.4

V (min)

IOUT = −3.0 mA at V

+ = +3.8V

IOH

High Level Output Current

VOUT = V

0.1

100

μA (max)

DIGITAL INPUTS: A0/NTEST_Out, A1-A2, BTI, CI (Chassis Intrusion), INT_IN, and NTEST_IN/Reset_IN

VIN(1)

Logical “1” Input Voltage

2.0

V (min)

VIN(0)

Logical “0” Input Voltage

0.8

V (max)

SERIAL BUS INPUTS (SCL, SDA) and FAN TACH PULSE INPUTS (FAN1, FAN2)

VIN(1)

Logical “1” Input Voltage

0.7 × V+

V (min)

VIN(0)

Logical “0” Input Voltage

0.3 × V+

V (max)

ALL DIGITAL INPUTS Except for BTI

IIN(1)

Logical “1” Input Current

VIN = V

−0.005

−1

μA (min)

IIN(0)

Logical “0” Input Current

VIN = 0 VDC

0.005

μA (max)

CIN

Digital Input Capacitance

BTI Digital Input

IIN(1)

Logical “1” Input Current

VIN = V

−1

−10

μA (min)

IIN(0)

Logical “0” Input Current

VIN = 0 VDC

500

2000

μA (max)

CIN

Digital Input Capacitance

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