Multichannel Remote/Local
Temperature Sensors
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +3.3V, STBY = V
CC
, configuration byte = X0XXXX00, T
A
= 0癈 to +125癈, unless otherwise noted.)
STBY, SMBCLK, SMBDATA; V
CC
= 3V to 5.5V
t
HIGH
, 90% to 90% points
t
LOW
, 10% to 10% points
(Note 4)
SMBCLK, SMBDATA
Logic inputs forced to V
CC
or GND
ALERT forced to 5.5V
STBY, SMBCLK, SMBDATA; V
CC
= 3V to 5.5V
ALERT, SMBDATA forced to 0.4V
CONDITIONS
祍
4
SMBCLK Clock High Time
祍
4.7
SMBCLK Clock Low Time
kHz
DC
100
SMBus Clock Frequency
pF
5
SMBus Input Capacitance
礎
-1
+1
Logic Input Current
礎
1
ALERT Output High Leakage
Current
V
2.2
Logic Input High Voltage
V
0.8
Logic Input Low Voltage
mA
6
Logic Output Low Sink Current
UNITS
MIN
TYP
MAX
PARAMETER
t
SU:DAT
, 10% or 90% of SMBDATA to 10% of SMBCLK
t
SU:STO
, 90% of SMBCLK to 10% of SMBDATA
t
HD:STA
, 10% of SMBDATA to 90% of SMBCLK
t
SU:STA
, 90% to 90% points
ns
250
SMBus Data Valid to SMBCLK
Rising-Edge Time
祍
4
SMBus Stop-Condition Setup Time
祍
4
SMBus Start-Condition Hold Time
ns
250
SMBus Repeated Start-Condition
Setup Time
祍
4.7
SMBus Start-Condition Setup Time
ns
SMBus Data-Hold Time
Master clocking in data
祍
1
SMBCLK Falling Edge to SMBus
Data-Valid Time
SMBus INTERFACE
ELECTRICAL CHARACTERISTICS
(V
CC
= +5V, STBY = V
CC
, configuration byte = X0XXXX00, T
A
= -55癈 to +125癈, unless otherwise noted.) (Note 6)
CONDITIONS
Monotonicity guaranteed
T
A
= +60癈 to +100癈
Bits
8
Temperature Resolution
-2
+2
T
R
= +60癈 to +100癈
T
A
= -55癈 to +125癈
癈
-3
+3
Initial Temperature Error,
Local Diode (Note 2)
V
4.5
5.5
Supply-Voltage Range
From stop bit to conversion complete (both channels)
ms
260
380
Conversion Time
-3
+3
T
R
= -55癈 to +125癈
癈
UNITS
MIN
TYP
MAX
-5
+5
PARAMETER
Temperature Error, Remote Diode
(Notes 2, 3)
ADC AND POWER SUPPLY
t
HD:DAT
, slave receive (Note 5)
0