EMCT03 datasheet(5/16 Pages) SMSC

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1°C Triple SMBus Temperature Sensor

Datasheet

SMSC EMCT03

Revision 2.3 (04-19-05)

DATASHEET

Figure 2.1 System Management Bus Timing Diagram

VDD=3.3V±10%, Temp=0

°C to 85°C, unless otherwise noted.

CHARACTERISTIC

MIN

TYP

MAX

UNIT

System Management Bus Timing

Operating Frequency, FSMB

400

kHz

Spike Suppression

Bus free time Start to Stop, 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

0.3

0.9

µs

Data setup time TSU:DAT

100

Clock Low period TLOW

1.3

µs

Clock High Period THIGH

0.6

µs

Clock/Data Fall Time, TF

300

Clock/Data Rise Time, TR

300

System Management Bus SMCLK, SMDATA

Input High Current

µA

Input Low Current

-10

µA

Input Capacitance

Low Input Level

0.8

High Input Level

2.0

Hysteresis

500

Low Output Level @ 4mA

0.4

SMDATA

SMCLK

LOW

HIGH

BUF

HD:STA

S - Start Condition

P - Stop Condition

HD:DAT TSU:DAT

SU:STA

HD:STA

SU:STO

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