Multiple Channel 1°C Temperature Sensors with Selectable Address
Datasheet
3.3
SMBus Electrical Characteristics
Table 3.3 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
Input Low Voltage
VIH
2.0
VDD
0.8
±5
V
5V Tolerant
5V Tolerant
VIL
-0.3
V
Input High/Low Current
IIH / IIL
uA
Powered or unpowered
TA < 85°C
Hysteresis
420
mV
pF
Input Capacitance
CIN
5
Output Low Sink Current IOL
8.2
10
15
SMBus Timing
400
mA
SMDATA = 0.4V
Clock Frequency
fSMB
kHz
ns
Spike Suppression
tSP
50
Bus free time Start to
Stop
tBUF
1.3
us
Hold Time: Start
Setup Time: Start
Setup Time: Stop
Data Hold Time
tHD:STA
tSU:STA
tSU:STP
tHD:DAT
tSU:DAT
tLOW
0.6
0.6
0.6
0
us
us
us
us
ns
us
us
ns
ns
pF
Data Setup Time
Clock Low Period
Clock High Period
Clock/Data Fall time
Clock/Data Rise time
Capacitive Load
100
1.3
0.6
tHIGH
tFALL
300
300
400
Min = 20+0.1CLOAD ns
Min = 20+0.1CLOAD ns
per bus line
tRISE
CLOAD
Revision 1.39 (10-11-10)
SMSC EMC1073 / EMC1074
DATA1S2HEET
SMSC [ SMSC CORPORATION ]
