2°C Accurate Remote/Local Temperature

Sensor with SMBus Serial Interface

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3

ELECTRICAL CHARACTERISTICS (continued)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Logic Input Low Voltage

+0.8

V

+2.2

Logic Input High Voltage

+2.6

V

Input Leakage Current

±2µA

+6

Output Low Sink Current

+1

mA

Input Capacitance

+5

pF

Output High Leakage Current

+1

µA

Serial Clock Frequency

(Note 4)

0

+100

kHz

Bus Free Time Between STOP

and START Conditions

+4.7

µs

START Condition Setup Time

+4.7

µs

Repeat START Condition Setup

Time

90% to 90%

+50

µs

START Condition Hold Time

10% of SMBDATA to 90% of SMBCLK

+4

µs

STOP Condition Setup Time

90% of SMBCLK to 10% of SMBDATA662

+4

µs

Clock Low Period

10% to 10%

+4.7

µs

Clock High Period

90% to 90%

+4

µs

Data Setup Time

90% of SMBDATA to 10% of SMBCLK

+250

ns

Data Hold Time

(Note 5)

0

µs

Receive SCL/SDA Rise Time

+1

µs

Receive SCL/SDA Fall Time

+300

ns

SMBus Timeout

SMBDATA and SMBCLK time low for reset

of serial interface

+25

+40

ms

Note 1: +25

Note 3: The conversion time doubles for the extended resolution mode. This causes the average operating current to approximately

double.

Note 5: Note that a transition must internally provide at least a hold time to bridge the undefined region (300ns max) of SMBCLK’s

falling edge.