±1°C, SMBus-Compatible Remote/Local

Temperature Sensor with Overtemperature Alarm

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3

Note 2: Timing specifications guaranteed by design.

Note 4: A transition must internally provide at least a hold time to bridge the undefined region (300ns max) of SCLK’s falling edge.

ELECTRICAL CHARACTERISTICS (continued)

°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

SMBus-COMPATIBLE INTERFACE (SCLK and SDA)

Logic Input Low Voltage

0.8

V

Logic Input High Voltage

2.2

V

Input Leakage Current

-1

+1

µA

Output Low Sink Current

6

mA

Input Capacitance

5pF

SMBus TIMING (Note 2)

Serial Clock Frequency

(Note 3)

100

kHz

Bus Free Time Between STOP

and START Condition

4.7

µs

START Condition Setup Time

4.7

µs

Repeat START Condition Setup

Time

90% to 90%

50

ns

START Condition Hold Time

10% of SDA to 90% of SCLK

4

µs

STOP Condition Setup Time

90% of SCLK to 90% of SDA

4

µs

Clock Low Period

10% to 10%

4.7

µs

Clock High Period

90% to 90%

4

µs

Data Setup Time

(Note 4)

250

µs

Receive SCLK/SDA Rise Time

1µs

Receive SCLK/SDA Fall Time

300

ns

Pulse Width of Spike Suppressed

050

ns

SMBus Timeout

SDA low period for interface reset

20

28

40

ms