EMC1413 datasheet(12/52 Pages) SMSC

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Multiple Channel 1°C Temperature Sensors with Beta Compensation

Datasheet

Revision 1.41 (02-23-12)

SMSC EMC1413 / EMC1414

DATASHEET

4.3

SMBus Electrical Characteristics

Table 4.3 SMBus Electrical Specifications

VDD = 3.0V to 3.6V, TA = -40°C to 125°C, all typical values are at TA = 27°C unless otherwise noted.

CHARACTERISTIC

SYMBOL

MIN

TYP

MAX

UNITS

CONDITIONS

SMBus Interface

Input High Voltage

VIH

2.0

VDD

5V Tolerant

Input Low Voltage

VIL

-0.3

0.8

5V Tolerant

Leakage Current

ILEAK

±5

µA

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TA < 85°C

Hysteresis

420

Input Capacitance

CIN

5pF

Output Low Sink Current

IOL

8.2

SMDATA = 0.4V

SMBus Timing

Clock Frequency

fSMB

400

kHz

Spike Suppression

tSP

Bus Free Time Stop to

Start

tBUF

1.3

µs

Hold Time: Start

tHD:STA

0.6

µs

Setup Time: Start

tSU:STA

0.6

µs

Setup Time: Stop

tSU:STO

0.6

µs

Data Hold Time

tHD:DAT

µs

When transmitting to the master

Data Hold Time

tHD:DAT

0.3

µs

When receiving from the master

Data Setup Time

tSU:DAT

100

Clock Low Period

tLOW

1.3

µs

Clock High Period

tHIGH

0.6

µs

Clock/Data Fall time

tFALL

300

Min = 20+0.1CLOAD ns

Clock/Data Rise time

tRISE

300

Min = 20+0.1CLOAD ns

Capacitive Load

CLOAD

400

per bus line

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